HV Commissioning Engineer

Overview

Astute's Power Team are partnering with a Leading EPC Contractor within the Energy Sector. We are currently recruiting for a HV Electrical Commissioning Engineer to join their Open Cycle Gas Turbine project based in Stewartby, Bedfordshire.

The HV Electrical Commissioning Engineer position comes with a day rate from £550.00 to £575.00 per day outside of IR35.

• Lead and coordinate all high-voltage (HV) commissioning activities for the 298MW OCGT plant, ensuring safe, compliant, and efficient delivery in line with project milestones.
• Execute detailed HV commissioning plans, switching schedules, and energisation procedures, aligned with the overall project commissioning strategy and grid connection programme.
• Supervise and manage pre-commissioning and commissioning of HV systems, including GIS/AIS switch gear, power transformers, generator step-up (GSU) transformers, protection & control systems, and grid interface equipment.
• Take ownership of grid compliance and interface activities with National Grid / DNO, ensuring adherence to G99 requirements and supporting all stages of grid energisation and synchronisation.
• Coordinate commissioning interfaces across balance of plant (BoP) systems, including gas turbine auxiliaries, black start systems, UPS/DC systems, and control systems (DCS/SCADA).
• Lead protection system testing and validation, including relay configuration checks, secondary injection, end-to-end testing, and fault response verification.
• Manage and witness energisation activities, including HV switching operations, ensuring strict compliance with LOTO, permit-to-work, and safety rules.
• Review and approve commissioning documentation, including ITPs, FAT/SAT reports, test packs, and redline drawings, ensuring full traceability and handover readiness.
• Drive fault finding, root cause analysis, and defect resolution across HV systems during commissioning and initial operation phases.
• Provide technical oversight of OEMs, subcontractors, and vendors, ensuring all HV works are executed in line with project specifications and UK regulatory standards.
• Support plant synchronisation, load testing, and performance testing, leading through to successful handover to operations.
• Deliver regular progress updates to the Commissioning Manager, highlighting risks, constraints, and interface challenges.

• Bedfordshire
• £550.00 to £575.00 per day outside IR35
• Immediate start date
• 6-month contract

We do not discriminate on the grounds of age, race, gender, disability, creed or sexual orientation and comply with all relevant UK legislation. Candidates must be able to demonstrate their ability to work in the UK. Astute is also committed to the government's Disability Confident Employer initiative.