8 jobs found

Senior Firmware Engineer Location: Bristol; Hybrid Join us at Smartbox as a Senior Firmware Engineer! Are you a passionate Firmware Engineer wanting to make a real impact by giving a voice to those without speech Smartbox is looking for a dedicated individual to help improve the lives of people with disabilities. Your Impact As our Senior Firmware Engineer, you will: Technical Project Delivery: Deliver multi disciplinary projects, meeting scope, time, budget and quality requirements, and coordinating others as needed. Firmware Architecture and Lifecycle: Develop reliable, portable firmware with a long-life cycle. Firmware Development: Design, develop and maintain embedded firmware in C for Zephyr RTOS and Embedded Linux, including board bring up, drivers and HALs. Code Quality and Standards: Set and uphold coding, documentation and review standards, ensuring best practices in architecture, modularity, fault tolerance and testability. Test strategy and Automation: Apply strong automated testing practices following the Test Pyramid, including unit, component, contract and hardware in the loop tests, with CI automation to prevent regressions. Test Software and Tooling: Build and maintain automated test harnesses, GUIs and utility tools (e.g. Python, C#) to support development, validation and manufacturing. Libraries and Developer Experience: Create libraries and demo applications in C compatible languages (C#, C++) to support subsystem validation and cross team integration. Verification and Validation: EAD verification through lab testing, user trials and real world use, ensuring documentation supports regulatory compliance. Quality Assurance: Analyse and resolve quality issues promptly, feeding insights back into designs and processes to drive continuous improvement. Technical Strategy: Contribute to strategy for reliable, mission critical firmware, clearly communicating trade offs and enabling strong decision making. Mentoring and Leadership: Mentor Engineers, provide coaching and support, and help foster a positive, collaborative team culture. Essential Qualifications / Skills / Experience: Degree or equivalent experience in an engineering subject (Electronics, Computer Science, Software), Physics, Mathematics, or another scientific subject. 8+ years of experience in embedded software development in C. A strong knowledge of Computer Science fundamentals in data structures, algorithm design, problem-solving, and complexity analysis. A strong grounding in embedded software architecture, with a focus on maintainability, modularity, fault-tolerance and testability. Confident and experienced with automated testing, including unit, integration and system tests, mocking and automation frameworks. A strong understanding of API design and the creation of clear, stable abstractions for hardware / firmware interaction. Skilled at debugging in constrained environments and using hardware / software debugging tools. A proven track record of innovation and quality software development throughout the entire software product lifecycle. Ability to solve complex technical problems in elegant and maintainable ways, demonstrating systems thinking across hardware, firmware and application layers. Experience with embedded platforms (for example: Embedded Linux, Arduino, STM32, Nordic, Zephyr RTOS). A passion and drive for excellence in software craftsmanship. Linux, Bash / shell, CI (Continuous integration) experience. Ability to read electronics schematics and collaborate effectively with Hardware Engineers during bring-up and debugging. Technical leadership through influence able to guide architecture and standards, mentor others, and improve team-wide practices. Practical, proactive mindset comfortable taking initiative and working through ambiguity in a fast-moving team. Proven experience in people or team management, with the ability to lead, motivate, and develop others. Strong communication and interpersonal skills, with the ability to build positive working relationships at all levels. Proven ability to foster high performing, engaged, and collaborative teams. About Smartbox Smartbox is a leader in assistive communication technology, with products used globally by people with diverse needs. Our values, passionate, caring, empowering, achieving together and enabling change, guide everything we do. Our Inclusive Culture We believe in giving everyone a voice. Joining Smartbox means joining a diverse, collaborative team and supporting a community that relies on our technology. Our Commitment to Sustainability We prioritise sustainability, aiming to reduce our environmental impact. By joining us, you ll help support a more inclusive and sustainable future. Our D&I Commitments We are a Disability Confident Employer and a Founding Partner of Purple Tuesday. Our recruitment practices are inclusive and barrier free, with adjustments available throughout the process and your career. We believe in adding to our culture. Our diverse team shapes products that reflect our users. Rewards and Benefits Explore competitive salary, private medical insurance, hybrid working, wellness benefits and paid volunteering days. Agencies Please respect that at this current time, we wish to recruit directly and are not seeking agency support.

Are you a Senior Software Engineer with strong C++ skills and a background in signal processing, looking for a role where your work genuinely matters? Do you want technical leadership, real project ownership, and a career you can shape yourself? We're working with a highly respected, specialist technology business based in Chertsey to find a Senior Software Engineer to join their experienced engineering team. This is a hybrid role offering genuine flexibility alongside meaningful, technically challenging work. Important: This role requires SC or DV Security Clearance eligibility. Applicants must be sole UK nationals. What you'll be doing: Leading and mentoring a team of software engineers, taking responsibility for the quality and delivery of their work Defining architectural and detailed software designs as part of broader system development Working across multi-disciplinary teams collaborating with firmware and electronics engineers to ensure system requirements are met end-to-end Implementing and testing software in C++ to industry standards across Linux and Windows platforms Applying acoustic signal processing expertise to real-world embedded and real-time applications Using structured design tools including Enterprise Architect and UML-based design methods Managing software verification and validation against contractual requirement sets Presenting designs to internal teams and customers at all project stages Supporting system integration, acceptance activities, and Docker-based implementations What we're looking for essential: Strong C++ development experience on Linux and/or Windows platforms Experience in acoustic signal processing or real-time embedded software Proven software team leadership technical and interpersonal Comfortable with structured design tools, version control, and IDE environments Experience of software V&V against a formal requirement set Clear, precise technical communicator confident presenting to customers and senior stakeholders BSc or above in Engineering, Maths, Science or equivalent experience SC or DV clearance held or eligible to obtain Full UK driving licence Nice to have: Defence, government, or highly regulated industry background Experience with Docker containers or similar Familiarity with Enterprise Architect and UML What's in it for you: Up to 24 additional holiday days per year via paid overtime or TOIL Private medical care 50+ private clinics and hospitals nationwide Christmas closedown most staff off 24th December to 2nd January Competitive employer-matched pension Company tech laptop, mobile and home office equipment provided Salary sacrifice schemes bikes, tech and more Gym discounts plus onsite gym at Chertsey Flexible core hours: 09 00 & 14 00 Training, upskilling and genuine career development investment Relocation package available This is a role for someone who wants to lead technically, work on complex and meaningful products, and have real ownership of where their career goes.

We are currently seeking a Senior Firmware Engineer to join a high-performing engineering team working on cutting-edge embedded systems. This is an exciting opportunity to contribute to the development of a complex, real-world product, working across the full lifecycle from development through to deployment. The Role You will be responsible for developing and maintaining embedded software, working closely with hardware teams to deliver robust, high-quality firmware solutions. The role involves a mix of new development, porting existing code, debugging, and system optimisation. Key Responsibilities Design, develop, and maintain embedded firmware Work with existing codebases, including porting and refactoring Debug complex issues across software and hardware Collaborate closely with hardware engineers on system integration Contribute to architecture decisions and code quality Key Requirements Strong experience in embedded firmware development Proficiency in C and/or C++ Experience with RTOS (e.g. FreeRTOS) and some bare-metal development Knowledge of communication protocols such as CAN, UART, SPI, I2C, BLE Experience working with microcontrollers and low-level drivers Strong debugging skills, including hardware interaction and reading schematics Desirable Experience Motor control, power electronics, or inverter systems Functional safety standards (e.g. MISRA) CI/CD tools (e.g. Jenkins) and version control (Git) Additional Information Location: London (Hybrid working) Contract position This is a great opportunity for an experienced firmware engineer looking to work on technically challenging systems within a collaborative environment.

Contract Senior Electronics / Firmware Engineer Sensor Expertise Rate: £400 £425 per day + VAT IR35 Status: Outside IR35 Location: Greater London (3-4 days on site per week min) Contract Length: 3 6 months, with potential extension We re working with an innovative technology business at the forefront of advanced sensing solutions, seeking a Senior Electronics / Firmware Engineer to support the development of next-generation products. This is an opportunity to join a highly collaborative, multidisciplinary team delivering cutting-edge solutions with real-world impact. In this role, you ll take ownership of sensor characterisation and optimisation, with a particular focus on humidity and temperature sensing technologies. You ll play a key part in refining performance, reliability, and integration within sophisticated systems, contributing directly to product development from concept through to validation. This is a hands-on engineering role suited to someone who enjoys solving complex technical challenges and working closely with hardware, software, and mechanical engineers in a fast-paced R&D environment. Key Responsibilities Characterise, test, and optimise sensor performance, particularly metal oxide and electrochemical sensors Design, develop, and iterate electronic circuits and PCB layouts Support firmware development for hardware interfacing and system integration Collaborate cross-functionally to ensure seamless integration across electronics, firmware, and mechanical components Contribute to prototyping, validation, and performance tuning of advanced sensing systems Core Skills & Experience Strong background in electronic engineering, including PCB design and development Experience working with electrochemical or metal oxide sensors Solid embedded firmware capability (not necessarily specialist level), including: Hardware interfacing Communication protocols (e.g. LoRaWAN or similar) Proven experience taking products from development through to testing or deployment Highly Desirable Experience working with volatile organic compounds (VOCs) Knowledge of air sampling systems or environmental sensing Background in healthcare, life sciences, or medical device development Why Apply? Work on cutting-edge sensing technologies with meaningful real-world applications Join a highly skilled, multidisciplinary team in a collaborative environment Opportunity to make a tangible impact on product performance and innovation Flexible working arrangements and a strong likelihood of contract extension

Network Engineer - Cisco Catalyst SD-WAN Engineer ( vManage) £330-£350/ Day- Outside IR35 3-6 Months Contract Newbury / Remote A Senior Cisco Catalyst SD-WAN Engineer with Cisco vManage dashboards and APIs experience is required. Understanding of routing protocols (BGP, OSPF), VRF-based segmentation, AAR, QoS design and enforcement, Security services (Firewall, IDS/IPS, URL filtering) etc. 3-6 Month Contract working remote (WFH) and travel on-site Newbury as needed (Hybrid). Paying £330-£350/day per day (Outside IR35). Start ASAP ideally May 2026. Flexibility is needed as you will be required to provide 24/7 Shift Rota. Required Skills & Experience Experience designing and operating Cisco Catalyst SD-WAN . Excellent understanding of routing protocols (BGP, OSPF), VRF-based segmentation, AAR, QoS design and enforcement, Security services (Firewall, IDS/IPS, URL filtering) etc. Hands-on experience with Cisco vManage dashboards and APIs. Provide input for Simple, medium, complex WAN/LAN changes, Routing and design decisions (underlay/overlay, VRFs, segmentation, etc.) and risk assessment for proposed changes. The successful candidate will lead and support complex network changes, incident troubleshooting as needed, assist in operational governance, and act as a technical advisor to both the customer and internal teams. Strong governance with experience in regulated or CNI (Critical National Infrastructure or highly regulated environments.) Change, Governance & Operational Assurance : including Configuration drift detection and remediation, Template governance in vManage, Version, feature and compatibility alignment. Flexibility is needed as you will be required to provide 24/7 Shift Rota. Help with best practice for security posture, firmware upgrade strategy etc. Maintain a strong end-to-end view across WAN, LAN, and Wi-Fi, ensuring seamless handoff between domains. Support 3rd Line teams on complex routing scenarios, inter-domain dependencies (WAN->LAN and Security) and support for incidents and problems. Proven experience operating as a technical authority and not just a delivery engineer. Self-motivated, with the ability to build strong customer relationships and work effectively in a team environment. Strong interpersonal and communication skills Strongly Desirable Experience in Critical National Infrastructure or highly regulated environments. Familiarity with ServiceNow or equivalent ITSM integration Cisco certifications (e.g. CCNP/CCIE Enterprise) Desirable.

Senior Control Systems Engineer (Outside IR35) Electrical Commissioning Control Panels Water Treatment Systems We re working with an engineering business delivering bespoke control systems projects across multiple UK sites. They are looking for an experienced engineer to support electrical installations, commissioning, maintenance and fault-finding on custom-built systems. The Role Control panel wiring and electrical integration Testing, fault-finding and commissioning Working with pumps, solenoids and associated systems Supporting installation and commissioning activities on-site Working from electrical drawings and existing firmware documentation Assisting with configuration and graphics/HMI editing Supporting and developing the existing C++ based control system where required Candidates should have an electrical engineering background with panel work and maintenance experience. NVQ Level 3 Electrical is required, along with the ability to quickly understand existing control systems and work alongside the Mechanical Engineering Director during commissioning activities. Locations Central London Bristol Woking Oxford Travel between sites will be required. Please send your CV if interested.

Job Title: Senior Electronics/Firmware Engineer Salary: 50,000 - 60,000 per annum Contract: Full-Time Location: Warwick, UK. Hybrid, 2-3 days in our Warwick office About the Role: Our client is looking for a Senior Electronics Engineer with experience of embedded software to work on the electronics and firmware for their innovative range of measurement products. You will be a part of a strong research and development team which includes electronics hardware, embedded software, cloud & backend software and mobile app development. The work you do will be crucial to the success of our client's current and future products in the marketplace. You will have the opportunity to make a real difference to future products. This is a hands-on role and would need on-site presence around 3 days per week. Key Responsibilities: Design of robust products from concepts and specifications, bringing innovative solutions to complex problems Bringing your experience to bear with hands on development Oversee PCB design and layout, ensuring best practice and high-quality results Write and specify test plans for hardware verification and production testing Support environmental and EMC testing during qualification Perform circuit analysis including power consumption, component tolerance & reliability Capture and implement design requirements in collaboration with other teams. Essential Skills & Experience: Experience of delivering digital electronics designs from concept to production, preferably with a focus on battery powered, microprocessor-based applications Be technically fluent in hardware with some experience of embedded software Oversight of PCB Design & layout Familiarity with standard interface busses such as SPI, I2C, UART & USB Product development with regards to DFx (design for safety, testability, and manufacturability) Knowledge of test & verification techniques in support of product lifecycle development Experience of using embedded C on microcontrollers A Bachelor's degree in Electronic Engineering or equivalent experience Strong communication skills, both written & verbal. Desirable Skills/Experience: These skills/experience are not mandatory but would be an advantage to candidates able to demonstrate any of the following: Full product life cycle development & management Experience with environmental and EMC testing during qualification Production test development & operation when working with in-house or contract manufacturers Experience with battery powered Bluetooth or Wi-Fi devices Some experience of analogue electronics design would be advantageous Technical fluency in any of the following: Mechanical or industrial design; Manufacturing engineering or factory test setups Experience of certification process such as CE, ISED and FCC. Benefits The opportunity to work in a dynamic, innovative environment. Hybrid working arrangements. A benefits package including: Pension; Comprehensive healthcare through AXA; 24/7 On-line GP support A share scheme 25 Days Annual Holiday, plus 8 Public Bank Holidays A supportive team culture with regular team events and professional development opportunities Discount schemes including software services discounts Free car parking on-site Please note - our client is unable to provide Visa Sponsorship. You must be eligible to live & work in the UK. About Us We are dedicated to fostering a diverse and inclusive community. In line with our Diversity and Inclusion policy, we welcome applications from all qualified individuals, regardless of age, gender, ethnicity, sexual orientation, or disability. As a Disability Confident Employer, and part of the Nicholas Associates Group, we are committed to supporting candidates with disabilities, and we're happy to discuss flexible working options. We are committed to protecting the privacy of all our candidates and clients. If you choose to apply, your information will be processed in accordance with the Nicholas Associates Group of companies Privacy Notice.

Senior/Principal Firmware (FPGA) Engineer - SC Clearance required Location: Edinburgh Contract length: 6 months Work model: Hybrid "Please note only candidates with sole UK nationality who hold active SC clearance will be considered* Our client, a defence client, is seeking a Senior or Principal Firmware (FPGA) Engineer to join their team in Edinburgh. Responsibilities: Their Electronics Function in Edinburgh requires a Senior/Principal Firmware (FPGA) to create and develop firmware for leading edge airborne applications. You would be responsible for the design and development of Firmware designs using VHDL, for verifying designs using either VHDL or SystemVerilog and working to a structured firmware design process. The role and skills required: Creating innovative VHDL based FPGA designs Advanced verification techniques using either VHDL or SystemVerilog/UVM Current FPGA technologies from either Xilinx, Altera or Microsemi and their tools Model Driven Engineering tools including MATLAB and Simulink High Speed Interface Design & Integration, including PCIe, DDR3, Ethernet Analysing system level documents and deriving detailed Firmware requirements Adopting a methodical approach to the full firmware design life cycle, ideally working to a structured firmware process such as RTCA DO-254 or similar Specifying complex timing and area constraints for efficient FPGA place and route De-bugging firmware designs and supporting system related verification and integration Qualifications required: Degree in Electronics and Electrical Engineering, ideally specialising in FPGA/Digital techniques.