WTG Commissioning Supervisor (Offshore)

Responsibilities

• Represent the client as the WTG commissioning authority in situ, ensuring WTGs meet contractual, technical, and TSA employer requirements prior to Take Over Certificate (ToC) and handover to Generation.
• Lead by example in safety, quality, and professionalism, acting as a visible role model for contractors and personnel.
• Maintain continuous oversight of WTG pre-assembly, testing, and commissioning activities, both pre-assembly and offshore, with a focus on Critical-to-Quality (CtQ), Critical-to-Functionality (CtF), and Critical-to-Interfaces (CtI) deliverables.
• Provide observation-based feedback and reporting on WTG and other Power Generation interfaces, including Foundations, Array Cables, SCADA, OT Security, and Protection, covering readiness, risks, knock-on impacts, snags, and defects to WTG Commissioning Management and back-office functions.

Tasks

• Utilise employer-provided reporting, daily progress, and risk management tools.
• Supervise, verify, and witness WTG integrity from a Critical to Power Management (CTPM) perspective on first article inspection, pre-assembly, and offshore activities; electrical works; and system integration/interfaces, including mechanical, electrical, control, communication, and safety systems.
• Review and witness WTG-related mechanical and electrical readiness, ensuring compliance with specifications and acceptance criteria.
• Verify mechanical completion and commissioning readiness of individual WTGs and associated turbine systems at pre-assembly and offshore.
• If applicable, execute LV and HV Authorised Person duties where appointed, ensuring electrical safety, LOTO, and controlled energisation of WTG systems.
• Monitor, report, and follow up on Non-Compliance Reports (NCRs), punches, retrofits, and defects, ensuring proper root cause understanding and, where possible, closure before handover.
• Track progress of WTG commissioning works and interfaces between turbine OEM, fabrication, pre-assembly, installation contractors, commissioning teams, and client engineering.
• Ensure everyone is working to the same documentation revision and has access to OEM quality acceptance criteria, risk assessments, work instructions, and energy isolation procedures.
• Contribute to lessons learned and continuous improvement of CTPM, specifically targeting WTG commissioning practices and other Power Generation interfaces.
• Witness 240-hour reliability test runs (RTR), and review Commissioning Completion Certificate (CCC) and WTG commissioning documentation for compliance with contractual and asset requirements for subsequent handover to Generation.

Deliverables

• Completed and verified WTG Commissioning Documentation Register (CDR) for final transfer.
• Accurate daily and system-level progress reporting, e.g. DPR, Lautec, EnSync.
• Reported punches and NCRs related to WTG systems, e.g. Aconex Field.
• Documented lessons learned and improvement proposals, e.g. Synergi, CTPM.

Decision Authority

• Authority to accept or reject pre-assembly, testing, and commissioning activities based on contractual requirements, technical specifications, and defined acceptance criteria.
• Authority to stop work in case of unsafe conditions or critical quality deviations impacting WTG integrity and/or personnel safety.

Qualifications & Requirements

• Technical education, electrical or mechanical, or equivalent technical background with strong WTG system knowledge.
• Proven experience in WTG pre-assembly FAI and pre-commissioning, offshore commissioning, or similar industries, including commissioning of electrical, mechanical, and control systems.
• Solid understanding of SCADA, turbine control systems, and electrical safety.
• GWO certifications, including Basic Safety Training, CoHE, Enhanced First Aid, and HV where applicable.
• OGUK Medical, including Chester Step, depending on country requirements.
• Strong communication, reporting, and documentation skills; advanced English required; and the ability to challenge contractors constructively.

Desirable

• Prior experience with WTG handovers to Operations / Generation.
• HV Authorised Person within the industry or GWO HV Operation Training Certificate.

The project is due to start on 1st March 2027 and will last approx. 36 weeks