Commissioning Engineer SP141

3 days ago

London, Greater London, United Kingdom Capula Full time £60,000 - £120,000 per year

The Role

We are seeking an
enthusiastic and driven SR141 Authorised Engineer
to join our Energy Business. You'll play a critical role in testing and commissioning
electrical Protection & Control Systems
— from modifications of existing systems through to full replacements and new installations.

This is a high‑impact role, suitable for experienced Commissioning Engineers with current or previous
National Grid SR141 authorisation
. You'll split your time between our Stone Head Office and client sites across the UK, working on projects that keep the nation's energy infrastructure running safely and reliably.

Key Responsibilities

  • Plan and complete site acceptance testing and commissioning activities for HV substations (132kV–400kV).
  • Perform functional and performance testing of protection systems, control systems, panels, and secondary equipment.
  • Witness and support factory acceptance testing.
  • Attend NG SR106 Commissioning Panel Meetings and provide technical input.
  • Produce and manage commissioning documentation, including switching programmes, method statements, test reports, and handover records.
  • Deploy and verify configuration files to SCADA BCUs, RTUs, protection relays, and network devices.
  • Lead site teams, enforce safety standards, and ensure compliance with CDM regulations.
  • Investigate and resolve technical issues during commissioning and energisation phases.

Candidate Profile

  • Qualified or experienced in Electrical Engineering.
  • Current or previous
    National Grid SR141 (BP141/TP141) authorisation
    is essential.
  • Extensive experience commissioning HV substations, protection & control systems, and grid infrastructure.
  • Strong knowledge of electrical systems, relays, grid codes, and industry standards.
  • Familiarity with communication protocols (IEC61850, GOOSE, Ethernet, fibre optic, serial copper).
  • Skilled in documentation, configuration deployment, and SCADA systems.
  • Excellent communication, leadership, and problem‑solving skills.
  • Full UK driving licence and willingness to travel.

What We Offer

  • 28 days holiday + bank holidays
  • Flexible working options
  • Pension & life assurance
  • Private healthcare & lifestyle screening
  • Salary sacrifice programme
  • Mental health assistance programme
  • Cycle to work & green car scheme
  • Support in achieving
    professional engineer status (IEng, CEng)
    and covering membership fees


How to Apply
Send your CV and cover letter to

, quoting the job reference number.

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