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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Principal Systems Safety Engineer - **Company:** Expleo - **Location:** Barnstaple, UK - **Experience:** Expert - **Contract:** Temporary contract - **Skills:** Failure Mode Effects Analysis, Hardware Design, SC Clearance - **Published:** June 14, 2026 - **Apply:** https://uk.indeed.com/viewjob?jk=70cfe0ef1bd9e785 ## About the Role Do you have experience in Programmable logic controllers?, We are seeking a highly organised and motivated Principal System Safety Engineer with strong experience in hardware development safety, particularly in programmable electronic hardware, PLC-based systems, and IEC 61508-compliant design., * Extensive experience in hardware safety assurance, including: + Schematic interpretation and review + Programmable electronic hardware (custom logic, PLCs, PE devices) + Hardware requirements derivation and traceability + FMEDA development and review + Understanding of failure modes, diagnostic coverage and architectural constraints + Utilisation of IEC 61508 and Def Stan 00-55 + SIL determination * Ability to work hands-on with hardware development teams to guide safe design decisions. Safety Engineering Competence * + Strong background in hazard and risk management, including Hazard Identification, Hazard Logs and Hazard Analysis. + Experience producing Safety Arguments and supporting Design Authority approvals. + Working knowledge of legislative compliance, including AMC/AAMC tailoring. + Experience assessing supplier safety compliance against contractual and regulatory requirements. + Proficiency in safety analysis techniques such as FTA, BowTie, FHA, FMEA. Desired skills: * Desired to have one or more of these skills areas: * WOME Background * Naval Background Experience: * Extensive experience in Engineering, specalised in system safety for hardware development * Experience in hazard analysis and the application of Cost Benefit Analysis * Experience with IEC 61508, Def Stan 00-56, Def Stan 00-55 and navigating compliance against international and UK legislation * Experience with SIL determination and product qualification * Experience in the development of Safety Case reports, assessing Safety Case validity and safety assurance including ALARP * Experience within the WOME and marine environment is desirable What do I need before I apply: * Valid SC Clearance. Sole UK Nationality. ## Description The System Safety Engineer will be responsible for the technical ownership of hardware safety activities including, * Hands-on schematic reviews, ensuring hardware designs meet functional safety and integrity requirements. * Providing safety requirements input directly into hardware design, including programmable elements and PLC-based architectures. * Managing and performing Hardware FMEDA activities to IEC 61508, including component-level failure rate justification and diagnostic coverage assessment. * Supporting and guiding low-level hardware development teams, ensuring safety is embedded throughout the lifecycle. General Safety Engineering Deliverables * Producing Safety Case Reports, arguments and supporting evidence. * Developing and maintaining Hazard Logs, Hazard Analyses and associated documentation including Cost Benefit Analysis. * Conducting safety analyses such as FHA, FMEA, FTA, BowTie, and supporting wider system safety assessments. * Assessing supplier safety compliance, ensuring alignment with legislative, contractual and functional safety requirements. * Providing safety input to PDR, CDR and lifecycle engineering reviews. * Acting as a Safety SME across multidisciplinary systems projects. Essential skills: Candidates must demonstrate strong capability in the following, + Ensure our recruitment process is inclusive and accessible + Communicating and promoting vacancies + Offering an interview to disabled people who meet the minimum criteria for the job + Anticipating and providing reasonable adjustments as required + Supporting any existing employee who acquires a disability or long term health condition, enabling them to stay in work at least one activity that will make a difference for disabled people ## Related Videos - [What Production Knows: Closing the Loop Between AI Agents and the Systems They Build](https://www.wearedevelopers.com/videos/100277-what-production-knows-closing-the-loop-between-ai-agents-and-the-systems-they-build) - [Quantum Computing - The tiny and the big challenges](https://www.wearedevelopers.com/videos/934-quantum-computing-the-tiny-and-the-big-challenges) - [Great DevEx and Regulatory Compliance - Possible?](https://www.wearedevelopers.com/videos/1426-great-devex-and-regulatory-compliance-possible) - [The future of automotive mobility: Upcoming E/E architectures, V2X and its challenges](https://www.wearedevelopers.com/videos/374-the-future-of-automotive-mobility-upcoming-e-e-architectures-v2x-and-its-challenges) - [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers) - [Building the Nervous System of AI - Michael Kagan (NVIDIA)](https://www.wearedevelopers.com/videos/2133-building-the-nervous-system-of-ai-michael-kagan-nvidia) ## Related Articles - [The 12 Best Jobs for Software Engineers](https://www.wearedevelopers.com/magazine/401-the-12-best-jobs-for-software-engineers) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Where To Find Software Engineering Jobs](https://www.wearedevelopers.com/magazine/396-where-to-find-software-engineering-jobs) - [Is Software Engineering Hard?](https://www.wearedevelopers.com/magazine/448-is-software-engineering-hard) - [What is Software Engineering?](https://www.wearedevelopers.com/magazine/289-what-is-software-engineering) - [Software Engineer Salary London](https://www.wearedevelopers.com/magazine/252-software-engineer-salary-london)