EC&I Commissioning Engineer

Location: Sellafield, Cumbria
Pay: Up to 50 per hour (Inside IR35)
Contract: Full-time, site-based (4 on 4 off rotation or standard site hours)
Start Date: ASAP
Duration: Until June 2026

We're seeking an experienced Commissioning Engineer (EC&I) to join the team at Sellafield. This position plays a vital role in ensuring the safe, compliant, and efficient commissioning of control, instrumentation, and electrical systems within one of the UK's most complex and highly regulated industrial environments.

• Witness and verify vendor testing at works test stage.
• Prepare plant commissioning test specifications.
• Conduct early inspections of site installations to support timely system handovers.
• Execute testing activities during the Integrated Plant Commissioning phase.
• Identify faults, propose solutions, and implement corrective actions.
• Coordinate commissioning technicians and support resources.
• Initiate and manage Field Observation Books (FOBs).
• Validate working-level instructions and ensure accurate application and removal of temporary commissioning aids.

• Proven experience in nuclear EC&I systems commissioning.
• Background in highly regulated industries - nuclear experience essential, Sellafield experience preferable.
• Minimum HNC/HND in an Engineering discipline (or equivalent).
• Competent in Microsoft Office and Excel-based calculations.
• Familiarity with project management principles (APM membership desirable).
• IOSH Working or Managing Safely, SMSTS or SSSTS, and valid ECS Supervisory Card required.
• Must be able to obtain BPSS security clearance.

• Be part of a nationally significant project at Sellafield.
• Competitive pay - up to 50 per hour (Inside IR35).
• Flexible working options - 4 on 4 off rotation or standard site hours.
• Immediate start available.