JAM
HV Commissioning Engineer
11 days ago
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Important information
Contract type:
Freelance / Contract
Salary:
£151,840 – £160,160 / year
Location:
Hertfordshire, UK
Work mode:
Onsite
Published on:
14 October 2026
What they need
HV Commissioning Engineer
9 month contract
£600/day – Outside IR35
Hertfordshire – site-based
RESPONSIBILITIES:
Carry out testing and commissioning of HV electrical equipment
Support commissioning activities across substations and distribution networks
Test switchgear, protection systems and associated electrical plant
Complete commissioning procedures, test sheets and technical documentation
Identify faults and resolve commissioning issues
Ensure work complies with approved procedures and safety requirements
Liaise with project managers, engineers and site teams
Support energisation, handover and completion activities
SKILLS / REQUIREMENTS:
Proven HV testing and commissioning experience
Experience across 11kV, 33kV and/or 132kV networks
Knowledge of substation equipment and protection systems
Ability to interpret electrical drawings and technical documentation
Experience completing commissioning records and test reports
Strong understanding of electrical safety and safe systems of work
CERTIFICATIONS:
- Relevant HV authorisations and electrical safety qualifications
DESIRABLE:
UKPN network experience
Protection and control testing experience
Experience commissioning newly installed substation equipment
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