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Morgan Sindall Plc Logo Morgan Sindall Plc · -

Commissioning Engineer - Mechanical

United Kingdom, Cumbria Employment contract · Job Posted May 16, 2026
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Job Description

As a Start Up Commissioning Engineer you will be aligned to the Start Up, Commissioning and Pre-Operations delivery team throughout the project lifecycle. You will identify and develop testing/ validation requirements and pre-operational work scope during the design phase, write documentation and execute activities in line with established Start up, Commissioning and Pre-Operations processes. You will collaborate with an internal multidisciplined project delivery teams and interface with external stakeholders/vendors. You will utilise your experience in your specific engineering discipline to ensure that commissioning is executed to demonstrate the safe performance of the facility.

Job Responsibility

  • Safe delivery of Start Up, Commissioning, and Pre-Operations work scope through the project lifecycle at various locations as required
  • Production of and contribution to Test and Pre-Operational Documentation
  • Production of Plant Test Schedule, including knowledge of Requirements Management (able to interrogate Engineering Schedule, Verification & Validation requirements, interpret TRAM requirements, etc)
  • Attend and contribute to design reviews including developing the detail of temporary systems to enable commissioning
  • Carry out testing/validation activities throughout all stages of project delivery
  • Identification of faults and ability to propose and implement solutions through the Fault Observation Process (FOBs)
  • Witnessing of test/ validation activities
  • Recording results and data in support of Start-up, Commissioning and Pre-operations activities
  • Validation of working level instructions
  • Application and removal of temporary Commissioning aids
  • Development and delivery of asset care, preservation and maintenance to satisfy pre-operational, engineering and operational requirements
  • Provide input into other project workstreams to ensure that start up, commissioning and pre-operational requirements are included and delivered i.e. Design, Safety Case, Procurement, Construction & Completions, Project Controls
  • Ensure training and experience is maintained in order to hold relevant appointments where necessary for project delivery e.g. Commissioning Appointments, Electrical Appointments, Mechanical Appointments etc
  • Provide work scope delivery progress as required by Start-Up, Commissioning and Pre-Operations reporting processes

Requirements

  • Recognised apprenticeship and/or ONC/Level 3 qualification in relevant discipline and able to present qualification certification
  • Demonstration of successful delivery of work in an Engineering/technical role
  • Willing and able to travel on extended stays to various locations other than Sellafield Site in West Cumbria, the wider UK
  • Computer literate (MS applications including Word, Excel) with evidence of producing test documentation and reports
  • Experience in fault finding within a technical, engineering or operational environment

Nice to have

  • Experienced in Commissioning Engineer role
  • HNC/Level 4 qualification in relevant discipline and able to present qualification certification
  • IEng professional registration with Engineering Council
  • Experience in producing Start Up, Commissioning and Pre-Operations documentation

What we offer

  • Generous, incremental holiday entitlement with the option to buy five days
  • Family friendly policies and work/life approach
  • Mentoring programmes and continuous learning support
  • Contributory pension scheme
  • Annual bonus scheme
  • Recognition scheme and long service awards
  • Car scheme and Private Medical Insurance
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