HV Commissioning Engineer in Watford

Job Title: HV/MV Commissioning Engineer

Location: HQ Hertfordshire + UK Wide projects

Daily Rate: £500 + Van and Fuel Card

Length: Inital 6 Month Contract

High Voltage / Electrical Engineer (LV/HV)

Responsible for the installation, upgrade, testing, commissioning, and energisation of LV and HV electrical infrastructure across utility, rail, data centre, industrial, and power generation environments.

• Worked closely with multiple Distribution Network Operators (DNOs) to commission and energise a wide range of electrical supplies, ensuring compliance with industry standards and safety regulations.

• Supported various utility providers on private networks, carrying out upgrades, fault repairs, and new installations of cabling and switchgear.

• Installed 132kV busbar systems within a power generation plant, coordinating with site teams to deliver works safely and efficiently.

• Removed and upgraded high-voltage transformers, including the installation of new cabling, followed by full testing, commissioning, and energisation.

• Contributed to a major rail infrastructure project, managing and delivering complex HV and LV cable diversions in live environments.

• Completed testing and commissioning activities on multiple data centres, supporting critical power infrastructure and ensuring system reliability.

• Delivered LV and HV maintenance and testing works on a large recycling plant, maintaining operational continuity and safety compliance.

• Installed earthing mats for transformer bases, ensuring effective grounding and adherence to electrical safety requirements.