We are currently seeking an experienced Freelance Protection Relay Commissioning Engineer to support the delivery of multiple large-scale data centre projects across Europe.

This is an excellent opportunity to join a fast‑paced and growing sector, working on critical infrastructure projects for leading developers, EPC contractors, and hyperscale clients.

The successful candidate will play a key role in the testing, commissioning, troubleshooting, and energisation of HV/MV electrical systems, with a strong focus on protection relay systems and associated commissioning activities.

Responsibilities

• Commissioning and testing of HV/MV electrical systems within live and greenfield data centre environments
• Configuration, testing, and fault‑finding of protection relays
• Carrying out secondary injection testing and relay validation
• Protection scheme testing including interlocks, trip circuits, and logic checks
• ...