Senior EC&I Engineers

This contract position offers the opportunity for experienced Senior EC&I Engineers to work on high-profile engineering and infrastructure programmes within a highly regulated environment. Based in Warrington with a flexible hybrid pattern, these roles are inside IR35 and ideal for engineers with strong technical design, leadership, and stakeholder coordination skills across all project stages. Location and Working Pattern Warrington – typically two days per week in the office, with flexibility for remote working the remainder of the week.

Occasional site visits may be required depending on project needs.

Client Overview Our client delivers key infrastructure and engineering projects across regulated sectors. This role supports multiple major programmes within their Warrington portfolio. Responsibilities Lead and take responsibility for CE&I electrical systems design and technical delivery across all project phases.

Produce and check design documentation such as reports, drawings, and schedules in line with project standards.

Develop engineering specifications through structured optioneering, requirements management, and validation processes.

Conduct plant configuration walkdowns to confirm as‑built conditions and define modifications.

Participate in and lead design and assurance reviews including HAZOPs and HAZCONs.Collaborate with multi‑discipline stakeholders and mentor junior engineers.

Support preparation of key project documents such as Basis of Design, Design Justification Reports, and Quality Plans.

Must‑have Requirements Proven experience delivering CE&I design packages and supporting project delivery.

Strong background in process instrumentation and control systems specification.

Knowledge of BS 7671 and CE&I Safety Systems (BS EN 61508 or ES 2100 series).Familiarity with requirements management, verification, and optioneering practices.

Experience of working within regulated industries, ideally in the nuclear sector.

Excellent communication and interpersonal skills, with the ability to lead and check design work.

Skilled in AutoCAD, Microsoft Office and MS Project applications.

Qualification in Electrical & Electronic or Controls & Instrumentation Engineering (ONC minimum, Degree preferred).Nice‑to‑have Skills Experience designing safety or radiometric monitoring systems.

Knowledge of Machinery Safety, CE/UKCA marking, or Programmable Electronic Systems.

Understanding of Sellafield systems (SEMS/SLMS).Professional registration (IET, IEng, CEng) or TUV Functional Safety certification.

Apply Now If this Senior EC&I Engineer role matches your skills and experience, apply now or send your CV to our recruitment team today.

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.

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