Mechanical Start-Up & Commissioning Engineer

Morgan Sindall Infrastructure; England; On-site; GBP 52,000 - 74,000; Full time

Job summary

Morgan Sindall Infrastructure seeks a Start Up Commissioning Engineer - Mechanical in Cumbria to lead early stage testing and pre‑operational work. You will develop testing requirements, write documentation, and coordinate with internal teams and external stakeholders to validate safe facility performance.

You will apply your commissioning experience across project lifecycles, producing schedules and operational instructions while supporting design reviews and asset care initiatives.

Qualifications

• Recognised apprenticeship and/or ONC/Level 3 qualification in relevant discipline.
• 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 Word, Excel) with evidence of producing test documentation and reports.
• Experience in fault finding within a technical, engineering or operational environment.

Responsibilities

• 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 (e.g., 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).
• Provide work scope delivery progress as required by Start‑Up, Commissioning and Pre‑Operations reporting processes.

Skills

MS Office

Fault finding

Travel willingness

Engineering delivery

Documentation experience

Education

ONC/Level 3 qualification

HNC/Level 4 qualification

IEng registration

Tools

TRAM requirements

Test documentation

Job description

Morgan Sindall Infrastructure seeks a Start Up Commissioning Engineer - Mechanical in Cumbria to lead early stage testing and pre‑operational work. You will develop testing requirements, write documentation, and coordinate with internal teams and external stakeholders to validate safe facility performance.

You will apply your commissioning experience across project lifecycles, producing schedules and operational instructions while supporting design reviews and asset care initiatives.