Commissioning Engineer – HV (High Voltage)

Company: Interv_l Group | B Corp™
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Job Description:

Overview

HV Commissioning Engineer – Substations, Solar & BESS

Location: UK wide (base flexible; frequent site travel) | Type: Permanent

What you’ll do

  • Plan and execute pre commissioning, SAT and energisation on 33kV to 132kV assets.
  • Perform relay testing/verification, CT/VT checks, scheme proving and settings validation.
  • Coordinate DNO/ICP/owner witness testing; capture results and defect trackers.
  • Troubleshoot issues swiftly, implement fixes, and deliver complete close-out packs.
  • Feed lessons learned back into design and construction teams.

You’ll bring

  • Proven HV commissioning record on substations or grid connected renewables.
  • Solid grasp of protection/controls and grid compliance testing (incl. G99).
  • Meticulous, safety led approach with crisp documentation and communication.

Seniority level

Mid-Senior level

Employment type

Full-time

Job function

Electric Power Transmission, Control, and Distribution and Services for Renewable Energy

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Posted: April 11th, 2026