img
Contract

EC&I Commissioning Engineer

Highfield Professional Solutions Ltd
Seascale
money-bag £50 - £55/hour Umbrella PAYE
Posted: 08 July 2026 (Today)
Closing date: 06 August 2026
Ref: 225340600

Commissioning Engineer (EC&I) - Sellafield Site


Location: Sellafield, Cumbria
Pay: Up to -55 per hour (Inside IR35)
Contract: Full-time, site-based (4 on 4 off rotation or standard site hours)
Start Date: ASAP
Duration: Until April 2027



About the Role


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.



Key Responsibilities

  • 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.


Essential Experience & Qualifications

  • 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.


Why Join

  • 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.

Perform a fresh search...

  • Create your ideal job search criteria by
    completing our quick and simple form and
    receive daily job alerts tailored to you!

Jobs. Straight to your inbox!