WTG Commissioning Supervisor – Onshore

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Renewables

WTG Commissioning Supervisor – Onshore

Ref#: J021194_1784119992

Type of work

Contract

Country

Poland

Start date

December 1st, 2026

Duration

10 months

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Job description

Role Objective

Ensure the safe, compliant, and high-quality pre-assembly, testing, and commissioning of Wind Turbine Generator (WTG) for reliable long-term operation and handover to Generation. Act as in situ pre-assembly and offshore WTG technical and quality authority, providing fact-based insight into WTG readiness, risks, and system integrity, while promoting a strong safety culture and close collaboration with contractors, engineering, commissioning and asset stakeholders

Responsibilities

• Represent the client as the WTG commissioning authority in-situ, ensuring WTG's 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 pre-assembly and offshore, with focus on Critical-to-Quality (CtQ), Critical-to-Functionality (CtF) and Critical-to-Interfaces (CtI) deliverables.
• Provide observation-based feedback and reporting on the WTG and other Power Generation (Foundations, Array Cables, SCADA, OT Security, Protection) interfaces, readiness, risks, knock-on impacts, snags and defects to WTG Commissioning Management and back-office functions

Tasks

• Utilize 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 (NCR's), 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 engineering.
• Ensure everyone is working toward same documentation revision and have access to OEMs quality acceptance criteria, risk assessment, work instruction and energy isolation procedure
• Contribute to lessons learned and continuous improvement of CTPM, specifically targeting WTG commissioning practices and other Power Generation interfaces.
• Witness 240h reliability test runs (RTR), 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).
• Report 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 (electrical or mechanical) education 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 (Basic Safety Training, CoHE, Enhanced First Aid and HV where applicable).
• OGUK Medical including Chester Step depends on country requirement.
• Strong communication, reporting and documentation skills, English Advanced required, and ability to challenge contractors constructively

Desirable

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

James Stevens

Senior Consultant

[email removed]

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