> Markdown version of [/jobs/ext/1492340-principal-fire-systems-engineer](https://www.wearedevelopers.com/jobs/ext/1492340-principal-fire-systems-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Principal Fire Systems Engineer - **Company:** PSR Solutions Limited - **Location:** London, UK - **Salary:** £85,000.0 - £110,000.0 - **Contract:** Permanent contract - **Skills:** Computer-Aided Design, Systems Engineering, Value Engineering - **Published:** July 30, 2026 - **Apply:** https://find.jobs/jobs-near-me/apply/ats-redirect/?id=2898071278-2 ## About the Role * Degree/HNC/HND in Mechanical Engineering or similar. * LPCB Basic Sprinkler Design Certification (even though it's more suppression-related, it's listed here). * Fire Detection Training: + BS 5839-1 Fundamentals - Units 1 & 2 + BS 5839-1 Fundamentals to Advanced * Professional body membership (IFE, IMechE). * Engineering Council registration encouraged (EngTech / IEng / CEng). Technical Skills & Knowledge (Essential) * Deep understanding of: + BS 5839-1 (Fire Detection & Alarm design) + Network Rail / TfL standards + Passive and active fire safety systems * Skilled in Fire Detection system design, BIM/CAD, and design assurance. * Authoring complex Cause & Effect documentation. * Familiarity with audit processes (BRE Global etc.). * Experience (Essential) * Significant experience designing Fire Detection and Suppression Systems in Rail sector projects. * Strong track record of managing client expectations, stakeholder coordination, and design integration. ## Description Design & Delivery * Lead the design and design verification of Fire Detection systems. * Ensure compliance with BS 5839-1 and client-specific standards (e.g., Network Rail, TfL). * Review and manage MEP consultants' designs for: + Safety by design + Technical adequacy + Constructability & maintainability + Interface integration Documentation & Compliance * Develop and author Fire Alarm Cause & Effects documents. * Coordinate all third-party system interfaces (e.g., HVAC, BMS, life safety). * Ensure design standards meet BRE Global / FM Global accreditation criteria. * Manage the LPS1014 F353 form to maintain compliance. Stakeholder Coordination * Work with Engineering Managers, Project Managers, and CREs to ensure design strategy meets cost, quality, and timeline targets. * Provide technical responses, lead standardisation efforts, and promote value engineering. * Represent the team during meetings with accreditation bodies and clients. Project & Line Management * Oversee and support procurement, tendering, and installation phases. * Mentor and develop junior, graduate, and intermediate engineers. * Lead small engineering teams in project delivery. * Actively participate in H&S management via the Notify system. * Ensure mandatory training and information security compliance. ## Related Videos - [Model Based Systems Engineering in an Agile Product Development Process](https://www.wearedevelopers.com/videos/68-model-based-systems-engineering-in-an-agile-product-development-process) - [Your next 10x engineer isn't in your city. Refactor accordingly.](https://www.wearedevelopers.com/videos/100103-your-next-10x-engineer-isn-t-in-your-city-refactor-accordingly) - [What makes Cybersecurity different for critical infrastructure?](https://www.wearedevelopers.com/videos/571-what-makes-cybersecurity-different-for-critical-infrastructure) - [Why You Should Care About the Decentralized Computing Movement](https://www.wearedevelopers.com/videos/999-why-you-should-care-about-the-decentralized-computing-movement) - [Automated Driving - Why is it so hard to introduce](https://www.wearedevelopers.com/videos/628-automated-driving-why-is-it-so-hard-to-introduce) - [SRE Methods In an Agency Environment](https://www.wearedevelopers.com/videos/348-sre-methods-in-an-agency-environment) ## Related Articles - [Data Engineer Salary UK](https://www.wearedevelopers.com/magazine/253-data-engineer-salary-uk) - [Software Engineer Salary London](https://www.wearedevelopers.com/magazine/252-software-engineer-salary-london) - [Events like RSAC Get You CISOs. Developers Decide What Actually Gets Deployed.](https://www.wearedevelopers.com/magazine/693-events-like-rsac-get-you-cisos-developers-decide-what-actually-gets-deployed) - [Software Engineer Salary in The UK](https://www.wearedevelopers.com/magazine/231-software-engineer-salary-in-the-uk) - [Data Analyst Salary in the UK](https://www.wearedevelopers.com/magazine/278-data-analyst-salary-in-the-uk) - [What is Software Engineering?](https://www.wearedevelopers.com/magazine/289-what-is-software-engineering)