369 jobs found

Job Title: Senior Associate Sustainability Location: Reading Job Type: Permanent Salary: £65,000 - £80,000 Key Responsibilities for the Senior Associate Sustainability: Lead One Click LCA, whole life carbon and circular economy assessments from concept through to delivery. Undertake IES modelling to support energy strategies, compliance assessments and optimisation of building performance. Produce and lodge EPCs (SAP/SBEM) to Level 5, ensuring accuracy and compliance with relevant regulations. Carry out overheating and heat loss calculations, advising design teams on mitigation strategies and fabric/MEP improvements. Conduct energy optimisation audits, analysing building performance data and identifying cost-effective energy and carbon reduction measures. Deliver daylighting modelling studies to inform façade design, internal layouts and occupant comfort. Manage projects end-to-end, including scope definition, programme management, coordination with internal and external stakeholders, and quality control of deliverables. Prepare high-quality reports and present findings and recommendations to clients and design teams in a clear, concise manner. Key Requirements: Strong experience in building sustainability or energy consultancy, operating at Senior or strong mid-level and ready to step up. Proven hands-on experience with One Click LCA and delivery of whole life carbon and circular economy assessments. Proficient in IES VE modelling for compliance and performance analysis, with a solid understanding of building physics. Demonstrable experience in producing and lodging Level 5 EPCs and working knowledge of SAP/SBEM methodologies. Practical experience conducting overheating and heat loss calculations and advising on design improvements. Track record of managing multiple projects simultaneously, delivering on time and to agreed quality standards. Strong report writing skills and confidence presenting technical information to clients and non-technical stakeholders. Advanced data analysis capability, including handling large datasets and interpreting sustainability performance metrics. Experience in developing or contributing to sustainability and net zero strategies for buildings or portfolios. Experience in supervising or mentoring junior team members within a consultancy or project environment. Desirable Skills: Experience with PHPP modelling and Passivhaus or ultra-low energy design principles. Familiarity with BREEAM, LEED, NABERS or similar sustainability assessment frameworks. Experience developing circular economy strategies at building or portfolio level. Knowledge of UK planning policy and building regulations related to energy and carbon.

Job Title: Principal Radiation Physicist Location: Barrow-in-Furness - Hybrid 3 days minimum onsite. We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role Salary: Competitive Who we are: Join BAE Systems and you'll be part of something bigger. As a valued member of our global colleague network, you'll bring your unique skills and perspectives to help pioneer progress and protect what matters most. You'll be trusted to play your part in delivering the advanced, technology-led defence, aerospace and security solutions of tomorrow, shaping a safer future, for all of us. From the depths of the ocean, to the far reaches of space, there's no limit to where a career at BAE Systems could take you. What you'll be doing: You will supervise and conduct assessment and experiments to support system qualification, while contributing to ongoing design optimisation. Your role includes producing and reviewing radiological safety justifications for proposed design solutions and directing the development of in house toolsets to meet departmental goals. You will also support detailed shielding design, balancing build constraints with system performance requirements. Core duties: You hold a relevant STEM degree in Physics, Mathematics, Chemistry, or Nuclear Engineering You have demonstrable experience using radiation transport codes such as MCNP, MCBEND, or Attilla You understand radiation physics and its practical application You have experience in radiation safety studies and behaviours You have experience in radiation metrology You possess knowledge of the ALARP principle The Radiation Physics & Shielding Team: Our team designs and validates radiation shielding for the UK's nuclear submarine fleet across three major programmes. We handle shield design, build assessments, metrology, and safety studies, while developing novel detectors and electronics capability. We offer relocation support packages across all Submarines roles, subject to meeting eligibility criteria. Why BAE Systems? Here you'll build a career with purpose and limitless possibilities. With lifelong learning and meaningful work, this is a place where you can grow your career with confidence and be empowered to be your best. You'll be recognised for your contribution and enjoy rewards tailored to what's most important to you and your family, support for your financial and personal wellbeing, as well as a balanced lifestyle. In an environment embracing sustainable ways of working and with a strong sense of shared purpose, our supportive culture is a place you can feel you belong and proud of the difference you make. A place where everyone can thrive: We're committed to building an inclusive workplace where everyone feels valued and supported. We know that a diversity of backgrounds, perspectives and experiences strengthens our teams and is vital to the work we do. Please be aware that many roles at BAE Systems are subject to both security and export control restrictions. These restrictions mean that factors such as your nationality, any nationalities you may have previously held, and your place of birth can restrict the roles you are eligible to perform within the organisation. All applicants must as a minimum achieve Baseline Personnel Security Standard. Many roles also require higher levels of National Security Vetting where applicants must typically have 5 to 10 years of continuous residency in the UK depending on the vetting level required for the role , to allow for meaningful security vetting checks. Closing Date: 29th April 2026 We reserve the right to close this vacancy early if we receive sufficient applications for the role . Therefore, if you are interested, please submit your application as early as possible.

Overview Senior Energy and Sustainability Consultant - Nottingham This well respected sustainable buildings consultancy has an urgent requirement for a Senior Energy and Sustainability Consultant to join their team in the East Midlands. This is a fantastic opportunity for the successful candidate to work on a variety of large scale projects within the industrial, retail, care home and commercial sectors. Qualifications Ideally candidates will have a BEng / BSc in an appropriate building services / energy / sustainability related discipline and will hold Chartered status with a relevant professional body such as the Energy Institute / RICS / CIBSE. Experience In this instance candidates are sought with a strong background in energy / sustainability / environmental consultancy, delivering building physics engineering services. It is anticipated that the successful Senior Energy and Sustainability Consultant will be confident in team management, client liaison and project management. Duties Leading a variety of projects Undertaking energy modelling work using IES Building and maintaining client relationships and contributing to the further workload of the team Keeping up to date with all relevant building regulations Preparing appropriate bid documents Benefits Joining a growing consultancy with excellent career development opportunities Full benefits package including hybrid working Competitive salary Interested? To discuss this vacancy and other positions within the sustainability sector, please do not hesitate to contact HARRIET ROIGE on or email your CV to and we will get back to you.

Job Title: Principal Radiation Physicist Location: Barrow-in-Furness - Hybrid 3 days minimum onsite. We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role Salary: Competitive Who we are: Join BAE Systems and you'll be part of something bigger. As a valued member of our global colleague network, you'll bring your unique skills and perspectives to help pioneer progress and protect what matters most. You'll be trusted to play your part in delivering the advanced, technology-led defence, aerospace and security solutions of tomorrow, shaping a safer future, for all of us. From the depths of the ocean, to the far reaches of space, there's no limit to where a career at BAE Systems could take you. What you'll be doing: You will supervise and conduct assessment and experiments to support system qualification, while contributing to ongoing design optimisation. Your role includes producing and reviewing radiological safety justifications for proposed design solutions and directing the development of in house toolsets to meet departmental goals. You will also support detailed shielding design, balancing build constraints with system performance requirements. Core duties: You hold a relevant STEM degree in Physics, Mathematics, Chemistry, or Nuclear Engineering You have demonstrable experience using radiation transport codes such as MCNP, MCBEND, or Attilla You understand radiation physics and its practical application You have experience in radiation safety studies and behaviours You have experience in radiation metrology You possess knowledge of the ALARP principle The Radiation Physics & Shielding Team: Our team designs and validates radiation shielding for the UK's nuclear submarine fleet across three major programmes. We handle shield design, build assessments, metrology, and safety studies, while developing novel detectors and electronics capability. We offer relocation support packages across all Submarines roles, subject to meeting eligibility criteria. Why BAE Systems? Here you'll build a career with purpose and limitless possibilities. With lifelong learning and meaningful work, this is a place where you can grow your career with confidence and be empowered to be your best. You'll be recognised for your contribution and enjoy rewards tailored to what's most important to you and your family, support for your financial and personal wellbeing, as well as a balanced lifestyle. In an environment embracing sustainable ways of working and with a strong sense of shared purpose, our supportive culture is a place you can feel you belong and proud of the difference you make. A place where everyone can thrive: We're committed to building an inclusive workplace where everyone feels valued and supported. We know that a diversity of backgrounds, perspectives and experiences strengthens our teams and is vital to the work we do. Please be aware that many roles at BAE Systems are subject to both security and export control restrictions. These restrictions mean that factors such as your nationality, any nationalities you may have previously held, and your place of birth can restrict the roles you are eligible to perform within the organisation. All applicants must as a minimum achieve Baseline Personnel Security Standard. Many roles also require higher levels of National Security Vetting where applicants must typically have 5 to 10 years of continuous residency in the UK depending on the vetting level required for the role , to allow for meaningful security vetting checks. Closing Date: 29th April 2026 We reserve the right to close this vacancy early if we receive sufficient applications for the role . Therefore, if you are interested, please submit your application as early as possible.

Job Title: Senior Radiation Physicist Location: Barrow-in-Furness - Hybrid 3 days minimum onsite. We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role Salary: Competitive Who we are: Join BAE Systems and you'll be part of something bigger. As a valued member of our global colleague network, you'll bring your unique skills and perspectives to help pioneer progress and protect what matters most. You'll be trusted to play your part in delivering the advanced, technology-led defence, aerospace and security solutions of tomorrow, shaping a safer future, for all of us. From the depths of the ocean, to the far reaches of space, there's no limit to where a career at BAE Systems could take you. What you'll be doing: You will conduct radiological safety assessments and evaluate radiation damage risks to onboard electronics. Your role involves developing radiation detection systems and managing the systems engineering design of secondary shielding. Utilising point kernel and Monte Carlo calculations, you will support radiation transport modelling and provide technical guidance on design changes or defects to maintain safety standards. Additionally, you will develop ALARP justifications to support engineering decisions , ensuring all radiological risks are minimised to compliant and acceptable levels. Core duties: You'll hold a degree in Mathematics, Physics, Chemistry, Engineering, Nuclear Science, or a related field You'll possess demonstrable knowledge/experience of radiation physics, nuclear engineering, nuclear safety or similar You'll have knowledge/experience of Radiological safety assessments, ALARP justifications or similar You'll utilise your knowledge/experience of radiation transport methods (ATTILLA/MCBEND/MCNP etc .) The Radiation Physics & Shielding team: Our team designs and validates radiation shielding for the UK's nuclear submarine fleet across three major programmes. We handle shield design, build assessments, metrology, and safety studies, while developing novel detectors and electronics capability. We offer relocation support packages across all Submarines roles, subject to meeting eligibility criteria. Why BAE Systems? Here you'll build a career with purpose and limitless possibilities. With lifelong learning and meaningful work, this is a place where you can grow your career with confidence and be empowered to be your best. You'll be recognised for your contribution and enjoy rewards tailored to what's most important to you and your family, support for your financial and personal wellbeing, as well as a balanced lifestyle. In an environment embracing sustainable ways of working and with a strong sense of shared purpose, our supportive culture is a place you can feel you belong and proud of the difference you make. A place where everyone can thrive: We're committed to building an inclusive workplace where everyone feels valued and supported. We know that a diversity of backgrounds, perspectives and experiences strengthens our teams and is vital to the work we do. Please be aware that many roles at BAE Systems are subject to both security and export control restrictions. These restrictions mean that factors such as your nationality, any nationalities you may have previously held, and your place of birth can restrict the roles you are eligible to perform within the organisation. All applicants must as a minimum achieve Baseline Personnel Security Standard. Many roles also require higher levels of National Security Vetting where applicants must typically have 5 to 10 years of continuous residency in the UK depending on the vetting level required for the role , to allow for meaningful security vetting checks. Closing Date: 29th April 2026 We reserve the right to close this vacancy early if we receive sufficient applications for the role . Therefore, if you are interested, please submit your application as early as possible.

Job Title: Senior Radiation Physicist Location: Barrow-in-Furness - Hybrid 3 days minimum onsite. We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role Salary: Competitive Who we are: Join BAE Systems and you'll be part of something bigger. As a valued member of our global colleague network, you'll bring your unique skills and perspectives to help pioneer progress and protect what matters most. You'll be trusted to play your part in delivering the advanced, technology-led defence, aerospace and security solutions of tomorrow, shaping a safer future, for all of us. From the depths of the ocean, to the far reaches of space, there's no limit to where a career at BAE Systems could take you. What you'll be doing: You will conduct radiological safety assessments and evaluate radiation damage risks to onboard electronics. Your role involves developing radiation detection systems and managing the systems engineering design of secondary shielding. Utilising point kernel and Monte Carlo calculations, you will support radiation transport modelling and provide technical guidance on design changes or defects to maintain safety standards. Additionally, you will develop ALARP justifications to support engineering decisions , ensuring all radiological risks are minimised to compliant and acceptable levels. Core duties: You'll hold a degree in Mathematics, Physics, Chemistry, Engineering, Nuclear Science, or a related field You'll possess demonstrable knowledge/experience of radiation physics, nuclear engineering, nuclear safety or similar You'll have knowledge/experience of Radiological safety assessments, ALARP justifications or similar You'll utilise your knowledge/experience of radiation transport methods (ATTILLA/MCBEND/MCNP etc .) The Radiation Physics & Shielding team: Our team designs and validates radiation shielding for the UK's nuclear submarine fleet across three major programmes. We handle shield design, build assessments, metrology, and safety studies, while developing novel detectors and electronics capability. We offer relocation support packages across all Submarines roles, subject to meeting eligibility criteria. Why BAE Systems? Here you'll build a career with purpose and limitless possibilities. With lifelong learning and meaningful work, this is a place where you can grow your career with confidence and be empowered to be your best. You'll be recognised for your contribution and enjoy rewards tailored to what's most important to you and your family, support for your financial and personal wellbeing, as well as a balanced lifestyle. In an environment embracing sustainable ways of working and with a strong sense of shared purpose, our supportive culture is a place you can feel you belong and proud of the difference you make. A place where everyone can thrive: We're committed to building an inclusive workplace where everyone feels valued and supported. We know that a diversity of backgrounds, perspectives and experiences strengthens our teams and is vital to the work we do. Please be aware that many roles at BAE Systems are subject to both security and export control restrictions. These restrictions mean that factors such as your nationality, any nationalities you may have previously held, and your place of birth can restrict the roles you are eligible to perform within the organisation. All applicants must as a minimum achieve Baseline Personnel Security Standard. Many roles also require higher levels of National Security Vetting where applicants must typically have 5 to 10 years of continuous residency in the UK depending on the vetting level required for the role , to allow for meaningful security vetting checks. Closing Date: 29th April 2026 We reserve the right to close this vacancy early if we receive sufficient applications for the role . Therefore, if you are interested, please submit your application as early as possible.

Job Title: Principal Radiation Physicist Location: Barrow-in-Furness - Hybrid 3 days minimum onsite. We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role Salary: Competitive Who we are: Join BAE Systems and you'll be part of something bigger. As a valued member of our global colleague network, you'll bring your unique skills and perspectives to help pioneer progress and protect what matters most. You'll be trusted to play your part in delivering the advanced, technology-led defence, aerospace and security solutions of tomorrow, shaping a safer future, for all of us. From the depths of the ocean, to the far reaches of space, there's no limit to where a career at BAE Systems could take you. What you'll be doing: You will supervise and conduct assessment and experiments to support system qualification, while contributing to ongoing design optimisation. Your role includes producing and reviewing radiological safety justifications for proposed design solutions and directing the development of in house toolsets to meet departmental goals. You will also support detailed shielding design, balancing build constraints with system performance requirements. Core duties: You hold a relevant STEM degree in Physics, Mathematics, Chemistry, or Nuclear Engineering You have demonstrable experience using radiation transport codes such as MCNP, MCBEND, or Attilla You understand radiation physics and its practical application You have experience in radiation safety studies and behaviours You have experience in radiation metrology You possess knowledge of the ALARP principle The Radiation Physics & Shielding Team: Our team designs and validates radiation shielding for the UK's nuclear submarine fleet across three major programmes. We handle shield design, build assessments, metrology, and safety studies, while developing novel detectors and electronics capability. We offer relocation support packages across all Submarines roles, subject to meeting eligibility criteria. Why BAE Systems? Here you'll build a career with purpose and limitless possibilities. With lifelong learning and meaningful work, this is a place where you can grow your career with confidence and be empowered to be your best. You'll be recognised for your contribution and enjoy rewards tailored to what's most important to you and your family, support for your financial and personal wellbeing, as well as a balanced lifestyle. In an environment embracing sustainable ways of working and with a strong sense of shared purpose, our supportive culture is a place you can feel you belong and proud of the difference you make. A place where everyone can thrive: We're committed to building an inclusive workplace where everyone feels valued and supported. We know that a diversity of backgrounds, perspectives and experiences strengthens our teams and is vital to the work we do. Please be aware that many roles at BAE Systems are subject to both security and export control restrictions. These restrictions mean that factors such as your nationality, any nationalities you may have previously held, and your place of birth can restrict the roles you are eligible to perform within the organisation. All applicants must as a minimum achieve Baseline Personnel Security Standard. Many roles also require higher levels of National Security Vetting where applicants must typically have 5 to 10 years of continuous residency in the UK depending on the vetting level required for the role , to allow for meaningful security vetting checks. Closing Date: 29th April 2026 We reserve the right to close this vacancy early if we receive sufficient applications for the role . Therefore, if you are interested, please submit your application as early as possible.

Job Title: Senior Radiation Physicist Location: Barrow-in-Furness - Hybrid 3 days minimum onsite. We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role Salary: Competitive Who we are: Join BAE Systems and you'll be part of something bigger. As a valued member of our global colleague network, you'll bring your unique skills and perspectives to help pioneer progress and protect what matters most. You'll be trusted to play your part in delivering the advanced, technology-led defence, aerospace and security solutions of tomorrow, shaping a safer future, for all of us. From the depths of the ocean, to the far reaches of space, there's no limit to where a career at BAE Systems could take you. What you'll be doing: You will conduct radiological safety assessments and evaluate radiation damage risks to onboard electronics. Your role involves developing radiation detection systems and managing the systems engineering design of secondary shielding. Utilising point kernel and Monte Carlo calculations, you will support radiation transport modelling and provide technical guidance on design changes or defects to maintain safety standards. Additionally, you will develop ALARP justifications to support engineering decisions , ensuring all radiological risks are minimised to compliant and acceptable levels. Core duties: You'll hold a degree in Mathematics, Physics, Chemistry, Engineering, Nuclear Science, or a related field You'll possess demonstrable knowledge/experience of radiation physics, nuclear engineering, nuclear safety or similar You'll have knowledge/experience of Radiological safety assessments, ALARP justifications or similar You'll utilise your knowledge/experience of radiation transport methods (ATTILLA/MCBEND/MCNP etc .) The Radiation Physics & Shielding team: Our team designs and validates radiation shielding for the UK's nuclear submarine fleet across three major programmes. We handle shield design, build assessments, metrology, and safety studies, while developing novel detectors and electronics capability. We offer relocation support packages across all Submarines roles, subject to meeting eligibility criteria. Why BAE Systems? Here you'll build a career with purpose and limitless possibilities. With lifelong learning and meaningful work, this is a place where you can grow your career with confidence and be empowered to be your best. You'll be recognised for your contribution and enjoy rewards tailored to what's most important to you and your family, support for your financial and personal wellbeing, as well as a balanced lifestyle. In an environment embracing sustainable ways of working and with a strong sense of shared purpose, our supportive culture is a place you can feel you belong and proud of the difference you make. A place where everyone can thrive: We're committed to building an inclusive workplace where everyone feels valued and supported. We know that a diversity of backgrounds, perspectives and experiences strengthens our teams and is vital to the work we do. Please be aware that many roles at BAE Systems are subject to both security and export control restrictions. These restrictions mean that factors such as your nationality, any nationalities you may have previously held, and your place of birth can restrict the roles you are eligible to perform within the organisation. All applicants must as a minimum achieve Baseline Personnel Security Standard. Many roles also require higher levels of National Security Vetting where applicants must typically have 5 to 10 years of continuous residency in the UK depending on the vetting level required for the role , to allow for meaningful security vetting checks. Closing Date: 29th April 2026 We reserve the right to close this vacancy early if we receive sufficient applications for the role . Therefore, if you are interested, please submit your application as early as possible.

A well-established, leading multidisciplinary building services and sustainability consultancy are looking to appoint a Principal Sustainability Consultant - Building Physics to join their London team. This is a senior technical role within a respected practice delivering integrated MEP, sustainability and environmental design services across commercial, residential, education and mixed-use developments. The practice delivers technically complex projects across high-end residential, commercial office, mixed-use, education and refurbishment schemes, with a strong presence in the London market. Many of their developments involve tight urban sites, ambitious energy targets and detailed fa ade and services coordination, requiring rigorous building performance input from early concept through to delivery. The Role As Principal Consultant, you will take a lead role in delivering building physics and performance analysis across a varied project portfolio. You will provide strategic input at early design stages, guide project teams on passive and low-carbon solutions, and ensure robust modelling informs design decisions. This is a hands-on technical leadership role, combining detailed simulation work with client engagement and team oversight. Key Responsibilities Lead dynamic thermal modelling, energy modelling, overheating analysis and carbon assessments. Deliver Part L compliance modelling and support planning energy strategies. Advise on passive design, fa ade performance, fabric optimisation and operational energy reduction. Present technical outputs clearly to clients, architects and design teams. Manage project workstreams, ensuring quality and commercial control. Provide mentorship and technical guidance to junior consultants. Contribute to the development of internal modelling standards and best practice. About You Degree qualified in Building Physics, Environmental Design, Engineering or a related discipline. Experience in building performance or sustainability consultancy. Strong proficiency in dynamic simulation tools such as IES VE, DesignBuilder or equivalent. In-depth knowledge of UK Building Regulations (including Part L) and overheating guidance (TM52/TM59). Experience preparing planning energy statements and sustainability reports. Confident communicator, comfortable leading technical discussions with clients and stakeholders. Experience overseeing or mentoring junior team members. The role offers a highly competitive salary package, reflective of principal-level responsibility, alongside a comprehensive benefits package and sits within a growing sustainability function where progression is clearly defined. If you're interested in finding out more, reach out to Ethan Williams on (phone number removed) or click apply to find out more.

Job Title: Senior Radiation Physicist Location: Barrow-in-Furness - Hybrid 3 days minimum onsite. We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role Salary: Competitive Who we are: Join BAE Systems and you'll be part of something bigger. As a valued member of our global colleague network, you'll bring your unique skills and perspectives to help pioneer progress and protect what matters most. You'll be trusted to play your part in delivering the advanced, technology-led defence, aerospace and security solutions of tomorrow, shaping a safer future, for all of us. From the depths of the ocean, to the far reaches of space, there's no limit to where a career at BAE Systems could take you. What you'll be doing: You will conduct radiological safety assessments and evaluate radiation damage risks to onboard electronics. Your role involves developing radiation detection systems and managing the systems engineering design of secondary shielding. Utilising point kernel and Monte Carlo calculations, you will support radiation transport modelling and provide technical guidance on design changes or defects to maintain safety standards. Additionally, you will develop ALARP justifications to support engineering decisions , ensuring all radiological risks are minimised to compliant and acceptable levels. Core duties: You'll hold a degree in Mathematics, Physics, Chemistry, Engineering, Nuclear Science, or a related field You'll possess demonstrable knowledge/experience of radiation physics, nuclear engineering, nuclear safety or similar You'll have knowledge/experience of Radiological safety assessments, ALARP justifications or similar You'll utilise your knowledge/experience of radiation transport methods (ATTILLA/MCBEND/MCNP etc .) The Radiation Physics & Shielding team: Our team designs and validates radiation shielding for the UK's nuclear submarine fleet across three major programmes. We handle shield design, build assessments, metrology, and safety studies, while developing novel detectors and electronics capability. We offer relocation support packages across all Submarines roles, subject to meeting eligibility criteria. Why BAE Systems? Here you'll build a career with purpose and limitless possibilities. With lifelong learning and meaningful work, this is a place where you can grow your career with confidence and be empowered to be your best. You'll be recognised for your contribution and enjoy rewards tailored to what's most important to you and your family, support for your financial and personal wellbeing, as well as a balanced lifestyle. In an environment embracing sustainable ways of working and with a strong sense of shared purpose, our supportive culture is a place you can feel you belong and proud of the difference you make. A place where everyone can thrive: We're committed to building an inclusive workplace where everyone feels valued and supported. We know that a diversity of backgrounds, perspectives and experiences strengthens our teams and is vital to the work we do. Please be aware that many roles at BAE Systems are subject to both security and export control restrictions. These restrictions mean that factors such as your nationality, any nationalities you may have previously held, and your place of birth can restrict the roles you are eligible to perform within the organisation. All applicants must as a minimum achieve Baseline Personnel Security Standard. Many roles also require higher levels of National Security Vetting where applicants must typically have 5 to 10 years of continuous residency in the UK depending on the vetting level required for the role , to allow for meaningful security vetting checks. Closing Date: 29th April 2026 We reserve the right to close this vacancy early if we receive sufficient applications for the role . Therefore, if you are interested, please submit your application as early as possible.

Job Title: Principal Radiation Physicist Location: Barrow-in-Furness - Hybrid 3 days minimum onsite. We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role Salary: Competitive Who we are: Join BAE Systems and you'll be part of something bigger. As a valued member of our global colleague network, you'll bring your unique skills and perspectives to help pioneer progress and protect what matters most. You'll be trusted to play your part in delivering the advanced, technology-led defence, aerospace and security solutions of tomorrow, shaping a safer future, for all of us. From the depths of the ocean, to the far reaches of space, there's no limit to where a career at BAE Systems could take you. What you'll be doing: You will supervise and conduct assessment and experiments to support system qualification, while contributing to ongoing design optimisation. Your role includes producing and reviewing radiological safety justifications for proposed design solutions and directing the development of in house toolsets to meet departmental goals. You will also support detailed shielding design, balancing build constraints with system performance requirements. Core duties: You hold a relevant STEM degree in Physics, Mathematics, Chemistry, or Nuclear Engineering You have demonstrable experience using radiation transport codes such as MCNP, MCBEND, or Attilla You understand radiation physics and its practical application You have experience in radiation safety studies and behaviours You have experience in radiation metrology You possess knowledge of the ALARP principle The Radiation Physics & Shielding Team: Our team designs and validates radiation shielding for the UK's nuclear submarine fleet across three major programmes. We handle shield design, build assessments, metrology, and safety studies, while developing novel detectors and electronics capability. We offer relocation support packages across all Submarines roles, subject to meeting eligibility criteria. Why BAE Systems? Here you'll build a career with purpose and limitless possibilities. With lifelong learning and meaningful work, this is a place where you can grow your career with confidence and be empowered to be your best. You'll be recognised for your contribution and enjoy rewards tailored to what's most important to you and your family, support for your financial and personal wellbeing, as well as a balanced lifestyle. In an environment embracing sustainable ways of working and with a strong sense of shared purpose, our supportive culture is a place you can feel you belong and proud of the difference you make. A place where everyone can thrive: We're committed to building an inclusive workplace where everyone feels valued and supported. We know that a diversity of backgrounds, perspectives and experiences strengthens our teams and is vital to the work we do. Please be aware that many roles at BAE Systems are subject to both security and export control restrictions. These restrictions mean that factors such as your nationality, any nationalities you may have previously held, and your place of birth can restrict the roles you are eligible to perform within the organisation. All applicants must as a minimum achieve Baseline Personnel Security Standard. Many roles also require higher levels of National Security Vetting where applicants must typically have 5 to 10 years of continuous residency in the UK depending on the vetting level required for the role , to allow for meaningful security vetting checks. Closing Date: 29th April 2026 We reserve the right to close this vacancy early if we receive sufficient applications for the role . Therefore, if you are interested, please submit your application as early as possible.

Job Title: Senior Radiation Physicist Location: Barrow-in-Furness - Hybrid 3 days minimum onsite. We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role Salary: Competitive Who we are: Join BAE Systems and you'll be part of something bigger. As a valued member of our global colleague network, you'll bring your unique skills and perspectives to help pioneer progress and protect what matters most. You'll be trusted to play your part in delivering the advanced, technology-led defence, aerospace and security solutions of tomorrow, shaping a safer future, for all of us. From the depths of the ocean, to the far reaches of space, there's no limit to where a career at BAE Systems could take you. What you'll be doing: You will conduct radiological safety assessments and evaluate radiation damage risks to onboard electronics. Your role involves developing radiation detection systems and managing the systems engineering design of secondary shielding. Utilising point kernel and Monte Carlo calculations, you will support radiation transport modelling and provide technical guidance on design changes or defects to maintain safety standards. Additionally, you will develop ALARP justifications to support engineering decisions , ensuring all radiological risks are minimised to compliant and acceptable levels. Core duties: You'll hold a degree in Mathematics, Physics, Chemistry, Engineering, Nuclear Science, or a related field You'll possess demonstrable knowledge/experience of radiation physics, nuclear engineering, nuclear safety or similar You'll have knowledge/experience of Radiological safety assessments, ALARP justifications or similar You'll utilise your knowledge/experience of radiation transport methods (ATTILLA/MCBEND/MCNP etc .) The Radiation Physics & Shielding team: Our team designs and validates radiation shielding for the UK's nuclear submarine fleet across three major programmes. We handle shield design, build assessments, metrology, and safety studies, while developing novel detectors and electronics capability. We offer relocation support packages across all Submarines roles, subject to meeting eligibility criteria. Why BAE Systems? Here you'll build a career with purpose and limitless possibilities. With lifelong learning and meaningful work, this is a place where you can grow your career with confidence and be empowered to be your best. You'll be recognised for your contribution and enjoy rewards tailored to what's most important to you and your family, support for your financial and personal wellbeing, as well as a balanced lifestyle. In an environment embracing sustainable ways of working and with a strong sense of shared purpose, our supportive culture is a place you can feel you belong and proud of the difference you make. A place where everyone can thrive: We're committed to building an inclusive workplace where everyone feels valued and supported. We know that a diversity of backgrounds, perspectives and experiences strengthens our teams and is vital to the work we do. Please be aware that many roles at BAE Systems are subject to both security and export control restrictions. These restrictions mean that factors such as your nationality, any nationalities you may have previously held, and your place of birth can restrict the roles you are eligible to perform within the organisation. All applicants must as a minimum achieve Baseline Personnel Security Standard. Many roles also require higher levels of National Security Vetting where applicants must typically have 5 to 10 years of continuous residency in the UK depending on the vetting level required for the role , to allow for meaningful security vetting checks. Closing Date: 29th April 2026 We reserve the right to close this vacancy early if we receive sufficient applications for the role . Therefore, if you are interested, please submit your application as early as possible.

Job Title: Principal Radiation Physicist Location: Barrow-in-Furness - Hybrid 3 days minimum onsite. We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role Salary: Competitive Who we are: Join BAE Systems and you'll be part of something bigger. As a valued member of our global colleague network, you'll bring your unique skills and perspectives to help pioneer progress and protect what matters most. You'll be trusted to play your part in delivering the advanced, technology-led defence, aerospace and security solutions of tomorrow, shaping a safer future, for all of us. From the depths of the ocean, to the far reaches of space, there's no limit to where a career at BAE Systems could take you. What you'll be doing: You will supervise and conduct assessment and experiments to support system qualification, while contributing to ongoing design optimisation. Your role includes producing and reviewing radiological safety justifications for proposed design solutions and directing the development of in house toolsets to meet departmental goals. You will also support detailed shielding design, balancing build constraints with system performance requirements. Core duties: You hold a relevant STEM degree in Physics, Mathematics, Chemistry, or Nuclear Engineering You have demonstrable experience using radiation transport codes such as MCNP, MCBEND, or Attilla You understand radiation physics and its practical application You have experience in radiation safety studies and behaviours You have experience in radiation metrology You possess knowledge of the ALARP principle The Radiation Physics & Shielding Team: Our team designs and validates radiation shielding for the UK's nuclear submarine fleet across three major programmes. We handle shield design, build assessments, metrology, and safety studies, while developing novel detectors and electronics capability. We offer relocation support packages across all Submarines roles, subject to meeting eligibility criteria. Why BAE Systems? Here you'll build a career with purpose and limitless possibilities. With lifelong learning and meaningful work, this is a place where you can grow your career with confidence and be empowered to be your best. You'll be recognised for your contribution and enjoy rewards tailored to what's most important to you and your family, support for your financial and personal wellbeing, as well as a balanced lifestyle. In an environment embracing sustainable ways of working and with a strong sense of shared purpose, our supportive culture is a place you can feel you belong and proud of the difference you make. A place where everyone can thrive: We're committed to building an inclusive workplace where everyone feels valued and supported. We know that a diversity of backgrounds, perspectives and experiences strengthens our teams and is vital to the work we do. Please be aware that many roles at BAE Systems are subject to both security and export control restrictions. These restrictions mean that factors such as your nationality, any nationalities you may have previously held, and your place of birth can restrict the roles you are eligible to perform within the organisation. All applicants must as a minimum achieve Baseline Personnel Security Standard. Many roles also require higher levels of National Security Vetting where applicants must typically have 5 to 10 years of continuous residency in the UK depending on the vetting level required for the role , to allow for meaningful security vetting checks. Closing Date: 29th April 2026 We reserve the right to close this vacancy early if we receive sufficient applications for the role . Therefore, if you are interested, please submit your application as early as possible.

Job Title: Senior Radiation Physicist Location: Barrow-in-Furness - Hybrid 3 days minimum onsite. We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role Salary: Competitive Who we are: Join BAE Systems and you'll be part of something bigger. As a valued member of our global colleague network, you'll bring your unique skills and perspectives to help pioneer progress and protect what matters most. You'll be trusted to play your part in delivering the advanced, technology-led defence, aerospace and security solutions of tomorrow, shaping a safer future, for all of us. From the depths of the ocean, to the far reaches of space, there's no limit to where a career at BAE Systems could take you. What you'll be doing: You will conduct radiological safety assessments and evaluate radiation damage risks to onboard electronics. Your role involves developing radiation detection systems and managing the systems engineering design of secondary shielding. Utilising point kernel and Monte Carlo calculations, you will support radiation transport modelling and provide technical guidance on design changes or defects to maintain safety standards. Additionally, you will develop ALARP justifications to support engineering decisions , ensuring all radiological risks are minimised to compliant and acceptable levels. Core duties: You'll hold a degree in Mathematics, Physics, Chemistry, Engineering, Nuclear Science, or a related field You'll possess demonstrable knowledge/experience of radiation physics, nuclear engineering, nuclear safety or similar You'll have knowledge/experience of Radiological safety assessments, ALARP justifications or similar You'll utilise your knowledge/experience of radiation transport methods (ATTILLA/MCBEND/MCNP etc .) The Radiation Physics & Shielding team: Our team designs and validates radiation shielding for the UK's nuclear submarine fleet across three major programmes. We handle shield design, build assessments, metrology, and safety studies, while developing novel detectors and electronics capability. We offer relocation support packages across all Submarines roles, subject to meeting eligibility criteria. Why BAE Systems? Here you'll build a career with purpose and limitless possibilities. With lifelong learning and meaningful work, this is a place where you can grow your career with confidence and be empowered to be your best. You'll be recognised for your contribution and enjoy rewards tailored to what's most important to you and your family, support for your financial and personal wellbeing, as well as a balanced lifestyle. In an environment embracing sustainable ways of working and with a strong sense of shared purpose, our supportive culture is a place you can feel you belong and proud of the difference you make. A place where everyone can thrive: We're committed to building an inclusive workplace where everyone feels valued and supported. We know that a diversity of backgrounds, perspectives and experiences strengthens our teams and is vital to the work we do. Please be aware that many roles at BAE Systems are subject to both security and export control restrictions. These restrictions mean that factors such as your nationality, any nationalities you may have previously held, and your place of birth can restrict the roles you are eligible to perform within the organisation. All applicants must as a minimum achieve Baseline Personnel Security Standard. Many roles also require higher levels of National Security Vetting where applicants must typically have 5 to 10 years of continuous residency in the UK depending on the vetting level required for the role , to allow for meaningful security vetting checks. Closing Date: 29th April 2026 We reserve the right to close this vacancy early if we receive sufficient applications for the role . Therefore, if you are interested, please submit your application as early as possible.

Job Title: Senior Radiation Physicist Location: Barrow-in-Furness - Hybrid 3 days minimum onsite. We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role Salary: Competitive Who we are: Join BAE Systems and you'll be part of something bigger. As a valued member of our global colleague network, you'll bring your unique skills and perspectives to help pioneer progress and protect what matters most. You'll be trusted to play your part in delivering the advanced, technology-led defence, aerospace and security solutions of tomorrow, shaping a safer future, for all of us. From the depths of the ocean, to the far reaches of space, there's no limit to where a career at BAE Systems could take you. What you'll be doing: You will conduct radiological safety assessments and evaluate radiation damage risks to onboard electronics. Your role involves developing radiation detection systems and managing the systems engineering design of secondary shielding. Utilising point kernel and Monte Carlo calculations, you will support radiation transport modelling and provide technical guidance on design changes or defects to maintain safety standards. Additionally, you will develop ALARP justifications to support engineering decisions , ensuring all radiological risks are minimised to compliant and acceptable levels. Core duties: You'll hold a degree in Mathematics, Physics, Chemistry, Engineering, Nuclear Science, or a related field You'll possess demonstrable knowledge/experience of radiation physics, nuclear engineering, nuclear safety or similar You'll have knowledge/experience of Radiological safety assessments, ALARP justifications or similar You'll utilise your knowledge/experience of radiation transport methods (ATTILLA/MCBEND/MCNP etc .) The Radiation Physics & Shielding team: Our team designs and validates radiation shielding for the UK's nuclear submarine fleet across three major programmes. We handle shield design, build assessments, metrology, and safety studies, while developing novel detectors and electronics capability. We offer relocation support packages across all Submarines roles, subject to meeting eligibility criteria. Why BAE Systems? Here you'll build a career with purpose and limitless possibilities. With lifelong learning and meaningful work, this is a place where you can grow your career with confidence and be empowered to be your best. You'll be recognised for your contribution and enjoy rewards tailored to what's most important to you and your family, support for your financial and personal wellbeing, as well as a balanced lifestyle. In an environment embracing sustainable ways of working and with a strong sense of shared purpose, our supportive culture is a place you can feel you belong and proud of the difference you make. A place where everyone can thrive: We're committed to building an inclusive workplace where everyone feels valued and supported. We know that a diversity of backgrounds, perspectives and experiences strengthens our teams and is vital to the work we do. Please be aware that many roles at BAE Systems are subject to both security and export control restrictions. These restrictions mean that factors such as your nationality, any nationalities you may have previously held, and your place of birth can restrict the roles you are eligible to perform within the organisation. All applicants must as a minimum achieve Baseline Personnel Security Standard. Many roles also require higher levels of National Security Vetting where applicants must typically have 5 to 10 years of continuous residency in the UK depending on the vetting level required for the role , to allow for meaningful security vetting checks. Closing Date: 29th April 2026 We reserve the right to close this vacancy early if we receive sufficient applications for the role . Therefore, if you are interested, please submit your application as early as possible.

Job Title: Principal Radiation Physicist Location: Barrow-in-Furness - Hybrid 3 days minimum onsite. We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role Salary: Competitive Who we are: Join BAE Systems and you'll be part of something bigger. As a valued member of our global colleague network, you'll bring your unique skills and perspectives to help pioneer progress and protect what matters most. You'll be trusted to play your part in delivering the advanced, technology-led defence, aerospace and security solutions of tomorrow, shaping a safer future, for all of us. From the depths of the ocean, to the far reaches of space, there's no limit to where a career at BAE Systems could take you. What you'll be doing: You will supervise and conduct assessment and experiments to support system qualification, while contributing to ongoing design optimisation. Your role includes producing and reviewing radiological safety justifications for proposed design solutions and directing the development of in house toolsets to meet departmental goals. You will also support detailed shielding design, balancing build constraints with system performance requirements. Core duties: You hold a relevant STEM degree in Physics, Mathematics, Chemistry, or Nuclear Engineering You have demonstrable experience using radiation transport codes such as MCNP, MCBEND, or Attilla You understand radiation physics and its practical application You have experience in radiation safety studies and behaviours You have experience in radiation metrology You possess knowledge of the ALARP principle The Radiation Physics & Shielding Team: Our team designs and validates radiation shielding for the UK's nuclear submarine fleet across three major programmes. We handle shield design, build assessments, metrology, and safety studies, while developing novel detectors and electronics capability. We offer relocation support packages across all Submarines roles, subject to meeting eligibility criteria. Why BAE Systems? Here you'll build a career with purpose and limitless possibilities. With lifelong learning and meaningful work, this is a place where you can grow your career with confidence and be empowered to be your best. You'll be recognised for your contribution and enjoy rewards tailored to what's most important to you and your family, support for your financial and personal wellbeing, as well as a balanced lifestyle. In an environment embracing sustainable ways of working and with a strong sense of shared purpose, our supportive culture is a place you can feel you belong and proud of the difference you make. A place where everyone can thrive: We're committed to building an inclusive workplace where everyone feels valued and supported. We know that a diversity of backgrounds, perspectives and experiences strengthens our teams and is vital to the work we do. Please be aware that many roles at BAE Systems are subject to both security and export control restrictions. These restrictions mean that factors such as your nationality, any nationalities you may have previously held, and your place of birth can restrict the roles you are eligible to perform within the organisation. All applicants must as a minimum achieve Baseline Personnel Security Standard. Many roles also require higher levels of National Security Vetting where applicants must typically have 5 to 10 years of continuous residency in the UK depending on the vetting level required for the role , to allow for meaningful security vetting checks. Closing Date: 29th April 2026 We reserve the right to close this vacancy early if we receive sufficient applications for the role . Therefore, if you are interested, please submit your application as early as possible.

Job Title: Senior Radiation Physicist Location: Barrow-in-Furness - Hybrid 3 days minimum onsite. We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role Salary: Competitive Who we are: Join BAE Systems and you'll be part of something bigger. As a valued member of our global colleague network, you'll bring your unique skills and perspectives to help pioneer progress and protect what matters most. You'll be trusted to play your part in delivering the advanced, technology-led defence, aerospace and security solutions of tomorrow, shaping a safer future, for all of us. From the depths of the ocean, to the far reaches of space, there's no limit to where a career at BAE Systems could take you. What you'll be doing: You will conduct radiological safety assessments and evaluate radiation damage risks to onboard electronics. Your role involves developing radiation detection systems and managing the systems engineering design of secondary shielding. Utilising point kernel and Monte Carlo calculations, you will support radiation transport modelling and provide technical guidance on design changes or defects to maintain safety standards. Additionally, you will develop ALARP justifications to support engineering decisions , ensuring all radiological risks are minimised to compliant and acceptable levels. Core duties: You'll hold a degree in Mathematics, Physics, Chemistry, Engineering, Nuclear Science, or a related field You'll possess demonstrable knowledge/experience of radiation physics, nuclear engineering, nuclear safety or similar You'll have knowledge/experience of Radiological safety assessments, ALARP justifications or similar You'll utilise your knowledge/experience of radiation transport methods (ATTILLA/MCBEND/MCNP etc .) The Radiation Physics & Shielding team: Our team designs and validates radiation shielding for the UK's nuclear submarine fleet across three major programmes. We handle shield design, build assessments, metrology, and safety studies, while developing novel detectors and electronics capability. We offer relocation support packages across all Submarines roles, subject to meeting eligibility criteria. Why BAE Systems? Here you'll build a career with purpose and limitless possibilities. With lifelong learning and meaningful work, this is a place where you can grow your career with confidence and be empowered to be your best. You'll be recognised for your contribution and enjoy rewards tailored to what's most important to you and your family, support for your financial and personal wellbeing, as well as a balanced lifestyle. In an environment embracing sustainable ways of working and with a strong sense of shared purpose, our supportive culture is a place you can feel you belong and proud of the difference you make. A place where everyone can thrive: We're committed to building an inclusive workplace where everyone feels valued and supported. We know that a diversity of backgrounds, perspectives and experiences strengthens our teams and is vital to the work we do. Please be aware that many roles at BAE Systems are subject to both security and export control restrictions. These restrictions mean that factors such as your nationality, any nationalities you may have previously held, and your place of birth can restrict the roles you are eligible to perform within the organisation. All applicants must as a minimum achieve Baseline Personnel Security Standard. Many roles also require higher levels of National Security Vetting where applicants must typically have 5 to 10 years of continuous residency in the UK depending on the vetting level required for the role , to allow for meaningful security vetting checks. Closing Date: 29th April 2026 We reserve the right to close this vacancy early if we receive sufficient applications for the role . Therefore, if you are interested, please submit your application as early as possible.

Job Title: Senior Radiation Physicist Location: Barrow-in-Furness - Hybrid 3 days minimum onsite. We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role Salary: Competitive Who we are: Join BAE Systems and you'll be part of something bigger. As a valued member of our global colleague network, you'll bring your unique skills and perspectives to help pioneer progress and protect what matters most. You'll be trusted to play your part in delivering the advanced, technology-led defence, aerospace and security solutions of tomorrow, shaping a safer future, for all of us. From the depths of the ocean, to the far reaches of space, there's no limit to where a career at BAE Systems could take you. What you'll be doing: You will conduct radiological safety assessments and evaluate radiation damage risks to onboard electronics. Your role involves developing radiation detection systems and managing the systems engineering design of secondary shielding. Utilising point kernel and Monte Carlo calculations, you will support radiation transport modelling and provide technical guidance on design changes or defects to maintain safety standards. Additionally, you will develop ALARP justifications to support engineering decisions , ensuring all radiological risks are minimised to compliant and acceptable levels. Core duties: You'll hold a degree in Mathematics, Physics, Chemistry, Engineering, Nuclear Science, or a related field You'll possess demonstrable knowledge/experience of radiation physics, nuclear engineering, nuclear safety or similar You'll have knowledge/experience of Radiological safety assessments, ALARP justifications or similar You'll utilise your knowledge/experience of radiation transport methods (ATTILLA/MCBEND/MCNP etc .) The Radiation Physics & Shielding team: Our team designs and validates radiation shielding for the UK's nuclear submarine fleet across three major programmes. We handle shield design, build assessments, metrology, and safety studies, while developing novel detectors and electronics capability. We offer relocation support packages across all Submarines roles, subject to meeting eligibility criteria. Why BAE Systems? Here you'll build a career with purpose and limitless possibilities. With lifelong learning and meaningful work, this is a place where you can grow your career with confidence and be empowered to be your best. You'll be recognised for your contribution and enjoy rewards tailored to what's most important to you and your family, support for your financial and personal wellbeing, as well as a balanced lifestyle. In an environment embracing sustainable ways of working and with a strong sense of shared purpose, our supportive culture is a place you can feel you belong and proud of the difference you make. A place where everyone can thrive: We're committed to building an inclusive workplace where everyone feels valued and supported. We know that a diversity of backgrounds, perspectives and experiences strengthens our teams and is vital to the work we do. Please be aware that many roles at BAE Systems are subject to both security and export control restrictions. These restrictions mean that factors such as your nationality, any nationalities you may have previously held, and your place of birth can restrict the roles you are eligible to perform within the organisation. All applicants must as a minimum achieve Baseline Personnel Security Standard. Many roles also require higher levels of National Security Vetting where applicants must typically have 5 to 10 years of continuous residency in the UK depending on the vetting level required for the role , to allow for meaningful security vetting checks. Closing Date: 29th April 2026 We reserve the right to close this vacancy early if we receive sufficient applications for the role . Therefore, if you are interested, please submit your application as early as possible.

Job Title: Principal Radiation Physicist Location: Barrow-in-Furness - Hybrid 3 days minimum onsite. We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role Salary: Competitive Who we are: Join BAE Systems and you'll be part of something bigger. As a valued member of our global colleague network, you'll bring your unique skills and perspectives to help pioneer progress and protect what matters most. You'll be trusted to play your part in delivering the advanced, technology-led defence, aerospace and security solutions of tomorrow, shaping a safer future, for all of us. From the depths of the ocean, to the far reaches of space, there's no limit to where a career at BAE Systems could take you. What you'll be doing: You will supervise and conduct assessment and experiments to support system qualification, while contributing to ongoing design optimisation. Your role includes producing and reviewing radiological safety justifications for proposed design solutions and directing the development of in house toolsets to meet departmental goals. You will also support detailed shielding design, balancing build constraints with system performance requirements. Core duties: You hold a relevant STEM degree in Physics, Mathematics, Chemistry, or Nuclear Engineering You have demonstrable experience using radiation transport codes such as MCNP, MCBEND, or Attilla You understand radiation physics and its practical application You have experience in radiation safety studies and behaviours You have experience in radiation metrology You possess knowledge of the ALARP principle The Radiation Physics & Shielding Team: Our team designs and validates radiation shielding for the UK's nuclear submarine fleet across three major programmes. We handle shield design, build assessments, metrology, and safety studies, while developing novel detectors and electronics capability. We offer relocation support packages across all Submarines roles, subject to meeting eligibility criteria. Why BAE Systems? Here you'll build a career with purpose and limitless possibilities. With lifelong learning and meaningful work, this is a place where you can grow your career with confidence and be empowered to be your best. You'll be recognised for your contribution and enjoy rewards tailored to what's most important to you and your family, support for your financial and personal wellbeing, as well as a balanced lifestyle. In an environment embracing sustainable ways of working and with a strong sense of shared purpose, our supportive culture is a place you can feel you belong and proud of the difference you make. A place where everyone can thrive: We're committed to building an inclusive workplace where everyone feels valued and supported. We know that a diversity of backgrounds, perspectives and experiences strengthens our teams and is vital to the work we do. Please be aware that many roles at BAE Systems are subject to both security and export control restrictions. These restrictions mean that factors such as your nationality, any nationalities you may have previously held, and your place of birth can restrict the roles you are eligible to perform within the organisation. All applicants must as a minimum achieve Baseline Personnel Security Standard. Many roles also require higher levels of National Security Vetting where applicants must typically have 5 to 10 years of continuous residency in the UK depending on the vetting level required for the role , to allow for meaningful security vetting checks. Closing Date: 29th April 2026 We reserve the right to close this vacancy early if we receive sufficient applications for the role . Therefore, if you are interested, please submit your application as early as possible.

Job Title: Senior/Principal Software Engineer Job Location: Rochester, Kent. Onsite Salary: Up to £65.000 per annum depending on experience Who we are: Join BAE Systems and you'll be part of something bigger. As a valued member of our global colleague network, you'll bring your unique skills and perspectives to help pioneer progress and protect what matters most. You'll be trusted to play your part in delivering the advanced, technology-led defence, aerospace and security solutions of tomorrow - shaping a safer future, for all of us. Role Description: As a Principal Software Engineer, you will lead the design and delivery of embedded software for complex , safety critical systems. You will develop drivers, protocols and human-machine interfaces. Responsible for technical direction and ensuring robust, certifiable solutions. Working across the full lifecycle, you will define architectures and solve complex engineering challenges through integration, verification and validation. You will provide technical leadership , mentor engineers and influence best practice. Engaging with customers and stakeholders, you will shape strategy, drive innovation and play a key role in delivering high-impact solutions. Core Duties: Lead design and development of embedded software, including drivers, protocols, human-machine interfaces with certification artefacts Define system and software architectures from requirements using structured design, modelling and simulation Drive integration, verification and validation within a safety critical environment Provide technical leadership through mentoring, peer reviews and best practice Deliver reliable estimates, including sizing and reuse Engage with customers to resolve technical challenges and shape solutions Contribute to engineering processes, design reviews and strategic decisions , ensuring high quality, compliant delivery Essential Skills: You will have a degree or equivalent qualification in a Scientific/Engineering (electronics-engineering, software-engineering, physics, math's) environment You will have excellent Software Engineering skills, with significant experience in C/C++ You will have extensive experience of Software Architecture Design using UML or other recognised model-based design techniques as well as experience in UML for software design in CAMEO, EA, Rhapsody or integrity Modeler You will have extensive experience of interfacing software with hardware in a real-time environment and development experience to DO-178B/C Standards The Software team: You will be working as part of a team of experienced, passionate and innovative engineers creating world-leading control and display systems. This is an extremely exciting and challenging role and will present the opportunity to design products for the world's most advanced commercial and military fixed wing and rotary wing aircraft. Exposure to the customer and end user, as well as working alongside like-minded engineers, makes this a unique opportunity for the right candidate . Why BAE Systems? Here you'll build a career with purpose and limitless possibilities. With lifelong learning and meaningful work - this is a place where you can grow your career with confidence and be empowered to be your best. You'll be recognised for your contribution and enjoy rewards tailored to what's most important to you and your family - support for your financial and personal wellbeing, as well as a balanced lifestyle. In an environment embracing sustainable ways of working and with a strong sense of shared purpose, our supportive culture is a place you can feel you belong and proud of the difference you make. A place where everyone can thrive: We're committed to building an inclusive workplace where everyone feels valued and supported. We know that a diversity of backgrounds, perspectives and experiences strengthens our teams and is vital to the work we do. Please be aware that many roles at BAE Systems are subject to both security and export control restrictions. These restrictions mean that factors such as your nationality, any nationalities you may have previously held, and your place of birth can restrict the roles you are eligible to perform within the organisation. All applicants must as a minimum achieve Baseline Personnel Security Standard. Many roles also require higher levels of National Security Vetting where applicants must typically have 5 to 10 years of continuous residency in the UK depending on the vetting level required for the role , to allow for meaningful security vetting checks. Closing Date: 30th April 2026 We reserve the right to close this vacancy early if we receive sufficient applications for the role . Therefore, if you are interested, please submit your application as early as possible.