Certain Advantage

World Class Defence Organisation based in Stevenage, Hertfordshire is currently looking to recruit an Embedded ADA Software Engineer subcontractor on an initial 12 month contract. The role will likely be required to be onsite, but it can be worked on a 4-day week basis. Hourly Rate: £70.00ph (Umbrella). Overtime Rate: Hours worked over the standard 37 hours per week, will be paid at 'time and a quarter' Location: Stevenage Hybrid/Remote working: The role will likely be onsite 4 days per week. A 4 day working week is OK (Monday to Thursday). Duration: 6 months with very likely extension. Contracts are often ongoing and long-term thereafter. IR35 status: Inside IR35 (Umbrella) Interview process: One stage video interview Embedded ADA Software Engineer Job Description: Join the growing Software team in Stevenage, working as part of a dynamic team to develop, test and deliver innovative solutions by exploiting a wide portfolio of software technologies. You will work as part of a small team and be empowered to work individually with little supervision. You will need to be able to work independently and be self driven whilst providing some technical leadership. You will need to be very proactive and comfortable working with teams outside of the SW department, and be able to work in a lab based environment using various test tools such as scopes, logic analysers, bespoke test equipment and host based testing. Responsibilities: Developing Real Time Embedded SW in ADA on a power PC Testing the Embedded SW Producing test requirements & test scripts for Unit, Subsystem and System level testing on both host and target platforms Running tests, analysing results and using target test facilities such as debuggers, probes, logic analysers and oscilloscopes Documenting the SW Skillset/experience required: Experience developing in the ADA Programming Language and motivated to develop reliable, high performance, standardised, and documented software Experience of programming Embedded Software on a Power PC Experience of testing Embedded SW and using test facilities such as debuggers, probes, logic analysers and oscilloscopes Experience of DOORS Experience in model-based development, either in SysML/UML Understanding of standardised bus systems and protocols Excellent analytical and design ability, including review and critical analysis Keen to work on novel products where the software you produce is time and mission critical Able to communicate effectively with multiple stakeholders, including Systems Engineering, Electronics and Electrical, and Test and Validation

World Class Defence Organisation based in Bristol is currently looking to recruit a C++ Software Engineer subcontractor on an initial 12 month contract, with very likely extension. The role will be onsite 4 days per week. A 4 day working week is OK (Monday to Thursday). Rate: £65.00 per hour Overtime Rate: Hours worked over the standard 37 hours per week, will be paid at 'time and a quarter' Location: Bristol Hybrid/Remote working: The role will be onsite 4 days per week. A 4 day working week is OK (Monday to Thursday). Duration: 12 Months with very likely extension. Contracts are often ongoing and long-term thereafter. IR35 status: Inside IR35 (Umbrella) Interview process: One stage video interview Job Description: The Team develop solutions for the next generation of Air Defence Systems; developing evolving products whilst maintaining our enviable reputation for safety, performance and dependability. This is a very hands-on role and requires the continued design and development of Command and Control architectures, and the instantiations for future products. Perfect for a Software Engineer who is proactive and takes the initiative. Skillset/experience required: A strong background in software engineering, its realisation and system wide impact. Experience of working in C++ Collaborative, open approach to development and have the ability to work well in a team and maintain momentum during development. Experience of working across the entire software development process from engaging with requirement authorities to automated target integration and proving, supported with effective documentation Experience of new tools, techniques and approaches that might enable us to evolve our processes to improve our efficiency and sustainability Experience in other languages such as Ada, QT Knowledge of DDS Middleware and Real Time Operating Systems Knowledge of standards such as DefStan 00-55, DO-178C or IEC61508 and restricted coding standards such as MISRA C++

World Class Defence Organisation based in Stevenage is currently looking to recruit an Embedded C/C++ Software Engineer subcontractor on an initial 6 month contract. Hourly Rate: £70.00ph (Umbrella). Overtime Rate: Hours worked over the standard 37 hours per week, will be paid at 'time and a quarter' Location: Stevenage Hybrid/Remote working: The role will likely be onsite 4 days per week. A 4 day working week is OK (Monday to Thursday). Opportunities for occasional remote working. Duration: 6 months with very likely extension. Contracts are often ongoing and long-term thereafter. IR35 status: Inside IR35 (Umbrella) Interview process: One stage video interview Embedded C/C++ Software Engineer Job Description: The company is a world leader in missile and missile systems looking for a highly capable and adaptable Engineers to join the Development Facility in Stevenage, Hertfordshire. You will be responsible for developing the software through the full life cycle for safety related Real Time systems application software for the next generation of Missile Systems. This is a technical hands-on role working the full software life cycle. Responsibilities: Responsible for delivering the on-board software for the next generation of Missile Systems. This is a hands-on role and will involve architecting, designing, implementing and testing missile subsystem software to required standards and processes. Minimal: (Good) Authoring Specifications through the full life cycle: planning, design and test documents. Experience of working with formal requirements capture tool. Requirements Analysis Experience Knowledge of Source Configuration Control Processes (eg, PVCS, RTC, GIT) Very Good attention to detail. Working with minimal supervision Ability to debug complex problems and be able to produce required documentation to achieve the required safety level. Significant previous experience of developing bare-metal Embedded software using C/C++. Working in a team and with members from other disciplines eg Systems, Integration, Electronics Required: (Better) Previous experience of development and verification of Embedded software developed to high safety integrity level such as DO178C Level B or SIL-4 or equivalent standards. Specification & requirements creation and compliance recording in DOORS. Working knowledge of C/C++ for testing special builds and focussed code reviews. Unit Testing using LDRA, RAPITA or equivalent testing tool. Understanding of Code Coverage and techniques/strategies used to cover/justify shortfall Working in a lab environment with live equipment (PSUs, Scopes, Logic Analysers etc.) conducting system tests. Desirable: (Best) Significant experienced in developing software to DO178C Level B. Knowledge of Defence standards and Microcontroller technologies Testing on Development Cards with a test environment or bare-metal with special builds Experience using RAPITA Systems Tool Suite Experience of Modelling and Ansys SCADE Tool Suite Knowledge and use of ALM such as JIRA or IBM Engineering Workflow Manager Creation and use of Virtual Machines (VMWare)

Senior Contracts Advisor (Derivatives) Certain Advantage are hiring for a Senior Contracts Advisor based in London on an initial 6-month contract basis. The company Were working with a global energy and petrochemicals company involved in the exploration, production, refining, and marketing of oil, gas, and renewable energy solutions click apply for full job details

Conveyancing Team Manager Certain Advantage is hiring for a Conveyancing Team Manager for a fantastic client based in Stockport.The role is on a permanent basis, with excellent benefits. £50,000-53,000 DOE, plus Bonus The Role: A leading conveyancing firm is seeking an experienced Team Manager with expertise in residential property law and proven leadership skills. If you thrive on managing high-

World Class Defence Organisation is currently looking to recruit 2x Industrial Manufacturing Auditor subcontractors on an initial 6 month contract. The role can be based from either the companies Stevenage or Bolton site, depending on your preference. The role will be predominantly working from home with just two days onsite click apply for full job details

World Class Defence Organisation based in Bristol is currently looking to recruit 2x Low level Embedded Software Engineer subcontractors on an initial 6 month contract. The role will likely be required to be onsite, but it can be worked on a 4-day week basis. Hourly Rate: £65.00 - £68.00ph (Umbrella). Overtime Rate: Hours worked over the standard 37 hours per week, will be paid at 'time and a quarter' Location: Bristol Hybrid/Remote working: The role will likely be onsite 4 days per week. A 4 day working week is OK (Monday to Thursday). Duration: 6 months with very likely extension. Contracts are often ongoing and long-term thereafter. IR35 status: Inside IR35 (Umbrella) Interview process: One stage video interview Low level Embedded Software Engineer Job Description: The Real Time Infrastructure and Security Software team is tasked with supplying advanced solutions for our missile sub-systems, often developing state of the art processing platforms. Interacting with a wider engineering team (including Software, Firmware and Hardware Teams), this role presents the opportunity to develop complex software solutions, as part of a deliverable product, deployed into missile programmes. In a collaborative and close-knit culture, we support each other to search for better. Skillset/experience required: Experience in the development of Embedded software with C. It would be desirable for you to have knowledge of Real Time Operating Systems. Experience of verification of Embedded systems is desirable Can do' and flexible approach - you'll enjoy solving technical problems that sometimes extend beyond the bounds of "software" Excellent analytical and design ability, including review and critical analysis and generation of design documentation The ability to communicate effectively with multiple stakeholders, including Systems Engineering, Electronics and Electrical, and Test and Validation An awareness of deploying software on Real Time Operating Systems and ARM-based processing platforms. You will have an appreciation of firmware and electronics design. Knowledge of modern software development practices. Knowledge of standards such as DefStan 00-55 & DO178B/C and restricted coding standards such as MISRA would be advantageous.

Conveyancing Team Manager Certain Advantage is hiring for a Conveyancing Team Manager for a fantastic client based in Stockport.The role is on a permanent basis, with excellent benefits. £50,000-53,000 DOE, plus Bonus The Role: A leading conveyancing firm is seeking an experienced Team Manager with expertise in residential property law and proven leadership skills. If you thrive on managing high-performing legal teams, driving improvements, and ensuring an exceptional client experience, this opportunity could be ideal for you. Hybrid working is available once training is complete. Key Responsibilities: Provide leadership and direction to ensure the delivery of a high-performing team Conduct regular one-to-one meetings, offering feedback and implementing structured development plans Apply conveyancing expertise to support the professional development and capability of colleagues Ensure that quality, performance, and service standards are consistently achieved Work in partnership with senior leadership to implement change initiatives, drive operational improvements, and deliver agreed outcomes Manage team resourcing requirements, performance management processes, and the resolution of service escalations Oversee the recruitment, onboarding, and integration of new team members Foster collaboration across the business to enhance client and partner experiences The individual Were looking for people who have: Extensive experience in residential conveyancing Demonstrated success in managing and leading teams effectively Strong commitment to training, coaching, and mentoring colleagues Drive and resilience to inspire, develop, and sustain a high-performing team The Benefits: 25 days holiday Birthday off every year Hybrid working (up to 2 days from home post-training) Free legal fees when moving home Additional days off for home moves and volunteering Regular social events and retailer discounts Refer-a-friend bonus scheme All offers are subject to DBS and Financial background checks. Working with Certain Advantage We go the extra mile to find the best people for the job. If youre hunting for a role where you can make an impact and grow your career, well work with you to find it. We work with businesses across the UK to find the best people in Business Support, Legal, Finance, Marketing, HR, IT and Engineering. If this job isnt for you, head to certainadvantage.co.uk and register for job alerts and career guidance tips. JBRP1_UKTJ

Certain Advantage are recruiting on behalf of our Financial Services client for two Workforce Planning Managers for initially 6 months on a contract basis (Inside IR35). Key Responsibilities: Resourcing and workforce planning, supporting either a complex transformation programme or an HR/People function on strategic workforce planning click apply for full job details

Ergonomist Certain Advantage is hiring for an Ergonomist based in the Broughton area. This role is on a contract basis and is on-site-based. The Company Were working with a Manufacturing business that operates in the Aerospace sector click apply for full job details

Brand Design Planner Coventry Contract Until March 2026 Working with a global automotive company, an opportunity as arisen for a Brand Design Planner (producer) where you will be responsible for the upfront coordination and handling of requests into the brand design team. The purpose of the role Is to turn requests into robust project plans, resourced appropriately and structured with deliverables and reviews against timing plans, setting projects up for success before handing off to programme management key responsibilities Responsible for setting up how multi disciplinary projects are operationalised. creating the framework and blueprint for delivery. Follow projects through from ko to conclusion and ensure successful delivery Act proactively to anticipate issues and manage risk. Insightful planning that marries resource and deliverables and timing. Key support function of operational management of the design hub, to achieve our strategic objectives Liaise and co-ordinate with programme management and business operations teams to ensure appropriate team capacity to deliver projects on-time and to budget Supports and informs capacity planning Essential Skills Required are: Knowledge of design and the process through to delivery Experience of strategically planning multi-disciplinary projects Ability to translate plans and strategies into action to support the execution of projects. Producer with a strong track record of delivery within both agency and corporate settings Creatively sensitive and acumen to understand complex multi-disciplinary design projects Strong stakeholder management and influencing skills Interpersonal skills and the ability to present complex information to all levels within the business Comfortable managing projects across different cultures, geography and time zones. Experience of wrike, workfront and ms project KEY PERFORMANCE INDICATORS Projects robustly structured and planned for successful outcomes.

Spanish Speaking Telemarketing Executive / Business Development Representative (Emailing, calling, LinkedIn and Telemarketing) Certain Advantage is hiring for a Spanish Speaking Telemarketing Executive/Business Development Representative for a fantastic client based in Macclesfield.The role is on a permanent basis, with excellent benefits. £25,000 basic £29,500 OTE (Up to £400 a month) The Role: Are you confident on the phone and motivated by results? Were looking for an enthusiastic Spanish Speaking Telemarketing Executive / Business Development Representative to join a growing team in a hybrid role combining office and home-based working. You will be contacting Spanish-speaking businesses and decision-makers to introduce products/services and generate qualified leads. This is a great opportunity for someone with a passion for communication, persistence, and building relationships. Key Responsibilities: Making outbound calls to Spanish-speaking prospects. Conduct outbound calling, emailing and LinkedIn outreach to generate qualified leads. Generating qualified leads and booking appointments for client sales team. Conducting business research to identify new opportunities and decision-makers. Maintaining accurate records and follow-ups in the CRM system. Working towards achievable call and conversion targets. Building strong relationships with clients through clear and professional communication. Occasionally supporting the English-speaking team when needed. Hybrid Office based in Macclesfield (2 days a week at home and 3 days in the office). MondayThursday 8.30am5.00pm, Friday 8.30am1.00pm (36.5 hours per week) Early Friday finish, regular team, and social events. The individual Were looking for people who have: Previous experience in B2B telemarketing, lead generation, or appointment setting preferred but not essential) Fluent in Spanish (native or business-level). Strong business acumen and ability to quickly understand different industries. Excellent telephone manner, communication and listening skills. Confident, proactive, and target-driven attitude. Strong research skills and attention to detail. Self-motivated with the ability to work independently and as part of a team. Comfortable using CRM systems and Microsoft Office. A team player. Comfortable using LinkedIn and email as part of multichannel outreach strategy Working with Certain Advantage We go the extra mile to find the best people for the job. If youre hunting for a role where you can make an impact and grow your career, well work with you to find it. We work with businesses across the UK to find the best people in Business Support, Legal, Finance, Marketing, HR, IT and Engineering. If this job isnt for you, head to certainadvantage.co.uk and register for job alerts and career guidance tips. JBRP1_UKTJ

World Class Defence Organisation based in Stevenage, Hertfordshire is currently looking to recruit 8x SOC Threat Detection Analyst subcontractors on an initial 6 month contract. This role can start on an SC Security Clearance basis, however DV Clearance will be required down the line. This role would suit someone from a Cyber Security Analyst, SOC Analyst or Threat Detection Analyst background. Hourly Rate: 45ph - 85 per hour. There are 8 positions being recruited across the mid-senior level. Overtime rate of time and a quarter. Contract Duration: 6 Months initially and long-term thereafter. Shift pattern: 28 day Cycle Sat to Tue - Earlies (Apply online only) Wed to Sun - Off Mon to Fri - Lates (Apply online only) Sat to Tue Off Wed to Sun - Nights (Apply online only) (The type of shift rotates along the pattern through, so the start of the next 28 day cycle they start with lates -> Nights -> earlies then next cycle: Nights -> earlies -> lates) 28 days = 4 weeks, 14 days worked per 28 days, 3.5 days worked per week, 3.5 x 8 = 28 hours per week Initially may not be expected to do nights until team grows. SOC Threat Detection Analyst Job Description: An opportunity has arisen in the cyber security operations centre (SOC) within Information Management (IM) for a SOC Threat Detection Analyst. Supporting the Senior SOC analysts in assisting IM meet the challenges and demands of countering the Cyber Threat. The successful applicant will drive a proactive ethos in an ever-changing cyber security environment and provide robust threat detection and analysis within the 24x7 SOC. Responsibilities: To support the SOC Manager in assisting Information Management UK meet the challenges and demands of countering the Cyber Threat. Support for the operational functions of the UK SOC. To work with other UK SOC members, including the UK InfoSec Team and the IM Domains (Customer Support and Infrastructure / Information Systems). It will cover analysis, monitoring, reporting, alerting and investigation activity utilising a wide variety of security platforms including AI/ML and behavioural analytics, SIEM (Security Information Event Management), Network Packet Capture platform, Anti Malicious Code, Threat Detection technologies and platforms across the UK Network Perimeter working with the best standard technologies. The SOC Analyst reports to the SOC Manager. The SOC Analyst conducts a range of analysis and assists the incident response team with investigations that need to be escalated to an embedded member of staff. The SOC Analyst key responsibilities are: Effective Tier 1 to 2 alert triage of security events Monitoring of Cyber Security tools Monitoring the SOC email notification mailboxes Assists with the maintenance of Security technologies Assisting the SOC Solutions Lead with project activity Assist proactive threat hunting in collaboration with the CTI function Assist IR in HR and InfoSec related investigations Ensure the timely triage and remediation of any incident or request tickets raised to the SOC Participate in the activity of adding/removing URLs from the AcceptList and BlockList Attend routine security meetings Conduct activities in line with SOC Maturity and continuous improvement Skillset/experience required (Baseline): A career background in Cyber Security. Security awareness and experience in all areas of IT, primarily Network Security, Infrastructure and the secondary area being Operating Systems & Applications. Knowledge of IT Security standard methodologies. Demonstrable understanding of the OSI Reference Model and the network communication protocols, including but not limited to DNS, HTTP/S, SSL, SMTP, FTP/S, LDAP/S. Demonstrable experience with Security Information Event Monitoring Tools and/or Network Packet Capture tools. Hands on experience with IDS/IPS technologies and threat hunting activities. Strong analytical experience and mind-set. Experience within Defensive Cyber-attack methodologies and frameworks. Understanding of Malware capabilities, attack vectors, propagation and impact. Good communication skills liaising with the business and suppliers. Desirable Skillset/experience (Senior grade): Root cause analysis and leading T2 incident investigations Process / Playbook / Runbook development Working knowledge of detection engineering, false positive improvements Capability to tune SIEM rules or create custom detections Scripted automation experience e.g. Python, SOAR, PowerShell Threat modelling and Hunting methodologies

Spanish Speaking Telemarketing Executive / Business Development Representative (Emailing, calling, LinkedIn and Telemarketing) Certain Advantage is hiring for a Spanish Speaking Telemarketing Executive/Business Development Representative for a fantastic client based in Macclesfield.The role is on a permanent basis, with excellent benefits. £25,000 basic £29,500 OTE (Up to £400 a month) The Role:

Technical Author 6-month contract Christchurch Dorset (3 days a week onsite, 2 remote) Certain Advantage are hiring for a Technical Author. Were working with a global engineering and professional-services company that provides technology, infrastructure, defence, and mission-support solutions for governments and industries worldwide click apply for full job details

World Class Defence Organisation is currently looking to recruit 2x Industrial Manufacturing Auditor subcontractors on an initial 6 month contract. The role can be based from either the companies Stevenage or Bolton site, depending on your preference. The role will be predominantly working from home with just two days onsite click apply for full job details

Position: Assistant Accountant Location: Inverclyde Salary: £30,000 £35,000 DOE Are you ready to take the next big step in your finance career? This is your chance to join a forward-thinking organisation and be part of a team driving real change. As an Assistant Accountant, you wont just crunch numbers; youll play a key role in shaping the financial heartbeat of a business thats investing in its p click apply for full job details

Procurement Category Buyer Belfast, Northern Ireland 12 month contract Rates: Negotiable (DOE) Overview A major aerospace manufacturer is expanding its procurement function and seeking a Procurement Category Buye r to support a high-profile integration project click apply for full job details

Role: Senior Payroll Administrator Salary: £30,000 - £40,000K+ DOE Location: Glasgow City Centre (hybrid) Are you a payroll professional with bureau or Group payroll experience, looking to join a supportive, well-established firm with a strong presence in Scotland? We have a fantastic opportunity for a Senior Payroll Administrator to join a highly regarded firm based in Glasgow city centre click apply for full job details

Senior Contracts Advisor (Derivatives) Certain Advantage are hiring for a Senior Contracts Advisor based in London on an initial 6-month contract basis. The company We're working with a global energy and petrochemicals company involved in the exploration, production, refining, and marketing of oil, gas, and renewable energy solutions. The company focuses on delivering reliable energy while investing in cleaner technologies and sustainable practices worldwide. Responsibilities: Advise business and support functions on standard and complex contracts (e.g., ISDAs, framework agreements, Broker agreements, SLAs), ensuring regulatory and compliance. Provide guidance on derivatives contracts and commercial/contractual risks for traders, ensuring contracts are fit for purpose. Negotiate contracts for OTC derivative transactions, trade confirmations, and ad hoc agreements, maintaining compliance with the companies' policies. Support resolution of contractual disputes, liaising with stakeholders as needed. Monitor regulatory changes and new business opportunities, maintaining accurate records of negotiations. Ensure compliance with derivative business controls, GRA, audit requirements, and trade confirmation processes. Deliver pre- and post-deal commercial advice to drive business value. The individual: Expert knowledge of derivative agreements (ISDA, CSA/VMCSA, Brokerage, Master/Long Form). Strong understanding of derivatives regulations and trading activity. Commercially minded with effective negotiation and stakeholder management skills. Flexible, independent, and team-oriented with ability to prioritize under tight deadlines. Detail-oriented, highly organized, and comfortable in a fast-paced environment. Strong interpersonal and communication skills for internal and external engagement. Does this sound like your next career move? Apply today. Working with Certain AdvantageWe go the extra mile to find the best people for the job. If you're hunting for a role where you can make an impact and grow your career, we'll work with you to find it.We work with businesses across the UK to find the best people in Finance, Marketing, IT and Engineering. If this job isn't for you, head to certainadvantage.co.uk and register for job alerts and career guidance tips.