Lead Offshore Substation HV Commissioning Engineer

Overview

Lead HV commissioning engineer for offshore substations (66‑400kV) in NE England

Key Responsibilities

• compliance
• hv commissioning
• team lead
• schedule mgmt
• interface mgmt
• testing supervision

Tasks

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. -Ensure all commissioning activities comply with UK HSE, electrical, and offshore standards -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 -Supervise FATs, SATs, and on-site testing through to energisation and handover

Requirements

• leadership
• scada
• hv commissioning
• gwo
• bosiet
• uk grid

What You Bring

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. -Strong leadership and coordination experience in multi-disciplinary teams -Familiarity with systems such as transformers, GIS, protection relays, and SCADA -Proven background in HV commissioning (132kV+), ideally in offshore wind or substations -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

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Benefits

-Rate: £650–£750 per day (Outside IR35)

About Earthstream Global

-Founded with a vision to connect top talent with high-impact sectors across the globe. -Focuses on providing skilled professionals in the energy, infrastructure, and technology sectors. -Recognized for their deep industry knowledge and commitment to delivering the right talent for every project. -Works with leading companies, helping them build and sustain large-scale projects around the world. -Serves diverse industries, from energy and water resources to utilities and tech-based solutions. -Notable for its strong global network and ability to source candidates for complex, high-demand projects. -Committed to enhancing operational efficiency and success through strategic staffing solutions.

Sector Specialisms