This Lead PES Engineer (Principal Control Systems Engineer) contract role, operating inside IR35 and based out of Warrington with hybrid working, sits within the nuclear industry and offers the opportunity to take ownership of programmable electronic systems delivery across complex, safety‑critical projects. You’ll operate at the heart of the Integrated Project Team, acting as the technical authority for PES and CE&I delivery, guiding systems from early concept through to commissioning and handover. The role offers real influence over engineering decisions, standards and delivery strategy within a highly regulated environment. This position suits an engineer who is comfortable operating across multiple stakeholders, understands the interaction between control systems, operational technology and safety cases, and can confidently lead PES delivery across several concurrent projects. What you’ll be responsible for Leading end‑to‑end PES delivery across multiple projects, from requirements capture to handover Acting as the CE&I / PES focal point within Integrated Project Teams Applying V‑model and systems engineering principles aligned to ISO/IEC 15288 Managing PES inputs from the supply chain, including authoring, checking, verification and validation Engaging with operators, maintainers, safety case managers, construction and commissioning teams Identifying, managing and escalating technical, safety and engineering risks Ensuring PES solutions are delivered to quality, cost and schedule expectationsWhat we’re looking for Strong experience delivering control systems / PES solutions through the full lifecycle Demonstrable use of requirements management, V‑model and validation frameworks Background in highly regulated industries (nuclear, defence, pharma, energy, etc.) Understanding of industrial cyber security principles (e.g. IEC / BS 62443) Experience managing PES design and build suppliers, ideally within NEC contracts Confident communicator with the ability to influence at senior stakeholder levelWhy this role stands out Involvement in nationally significant nuclear programmes High degree of technical ownership and autonomy Complex engineering challenges with no off‑the‑shelf solutions Opportunity to shape PES standards, governance and delivery approachInterested? If you’re ready to step into a true technical leadership role within nuclear PES delivery, apply now or get in touch for a confidential discussion. The NRL Group connect global companies with the right people to bring engineering projects to life. Supporting contracting companies with energy transition plans and working with our clients to create a cleaner, greener future. We welcome applications from every walk of life and are committed to diversity within the industries we support, as a certified Inclusive Recruiter and Armed Forces friendly employer. You can ensure you stay safe when job searching online by visiting the JobsAware website