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Lead Offshore Substation HV Commissioning Engineer

Lead Offshore Substation HV Commissioning Engineer

On site

Grimsby, United kingdom

£ 750 /day

Senior

Freelance

30-10-2025

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Skills

Leadership SAP Test Training

Job Specifications

Our client, a leading developer in the UK offshore wind sector, is seeking an experienced Lead Offshore Substation HV Commissioning Engineer to support one of their flagship offshore wind projects located off the northeast coast of England. This role will be key to the delivery and successful energisation of offshore substations.

Terms:

Contract: 6-month initial contract, strong likelihood of extension
Location: Offshore (North East England base, with some onshore coordination)
Rate: £650–£750 per day (Outside IR35)
Start: ASAP

Role:

As the Lead HV Commissioning Engineer, you will oversee and coordinate all HV commissioning activities for the offshore substation(s). This includes managing interfaces with the client team, OEMs, and contractors to ensure commissioning is executed safely, efficiently, and to the highest technical standards. You’ll lead the documentation, testing, and energisation phases, acting as the focal point for HV systems delivery.

Responsibilities:

Lead the HV commissioning team for offshore substations (66kV–400kV systems)
Develop and oversee commissioning schedules, procedures, and test documentation
Manage interfaces between OEMs, EPC contractors, and client technical teams
Ensure all commissioning activities comply with UK HSE, electrical, and offshore standards
Supervise FATs, SATs, and on-site testing through to energisation and handover

Requirements:

Proven background in HV commissioning (132kV+), ideally in offshore wind or substations
Strong leadership and coordination experience in multi-disciplinary teams
Familiarity with systems such as transformers, GIS, protection relays, and SCADA
Offshore and electrical certifications, including: GWO Basic Safety Training (BST), GWO Sea Survival, BOSIET or FOET, HV Authorisation / Senior Authorised Person (SAP), CompEx or HV Switching certificates (desirable)
Excellent understanding of commissioning documentation and UK grid connection requirements

About the Company

Global Energy Recruitment Services - We source and select top talent across the renewable energy, power & grid and industrial technology sectors globally. Since 2010, EarthStream has delivered exceptional local talent along with experienced expats across a diverse range of energy companies around the world. As part of the Xcede Group, we partner with our global clients to help them find the talent needed to make the sourcing and management of energy more sustainable and efficient. For this, we cover a wide range of contrac... Know more