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HV Commissioning Engineer
50k-70k + package
UK based travel
Key Responsibilities
- Carry out commissioning and testing of high-voltage (HV) equipment and systems under the guidance of senior engineers or commissioning leads.
- Support pre-commissioning and commissioning phases for substations, transformers, switchgear, and protection systems.
- Perform HV testing activities such as:
- Primary and secondary injection testing of protection relays
- Contact resistance (Ductor) and insulation resistance testing
- AC dielectric withstand tests
- CT/VT ratio, polarity, and burden checks
- End-to-end scheme verification and functional testing
- Transformer ratio, winding resistance, and polarity tests
- Assist with system energisation and handover, ensuring all test results and documentation are accurate and complete.
- Contribute to FAT, SAT, and site commissioning activities, identifying technical issues and supporting their resolution.
- Maintain up-to-date test records, commissioning schedules, and documentation in accordance with project requirements.
- Promote safe working practices on site and ensure compliance with Health & Safety procedures.
- Work closely with design and protection engineers to review relay settings, logic configurations, and coordination requirements.
- Share technical knowledge and support less experienced team members where appropriate.
Skills, Experience, and Qualifications
- HNC/HND or Degree in Electrical or Power Engineering (or equivalent experience).
- Typically 4-6 years' experience in high-voltage testing and commissioning, ideally within Power Transmission, Distribution, or Utilities.
- Practical experience commissioning HV substations (up to 132kV or higher desirable).
- Good understanding of protection schemes, control systems, and primary plant (switchgear, transformers, CTs/VTs, circuit breakers).
- Hands-on experience with major OEM protection relays (e.g. Siemens, GE, Schneider, ABB, SEL).
- Capable of interpreting test data, identifying issues, and contributing to technical solutions.
- Experience supporting FAT, SAT, or system energisation activities.
- Strong attention to detail and competent technical reporting skills.
