We are currently seeking a Senior Commissioning Engineer to join our team in Grudziądz, Poland, supporting the commissioning phase of a Combined Cycle Gas Turbine (CCGT) Power Plant. This role offers a strong opportunity to play a key part in the execution and delivery of mechanical commissioning activities through to plant handover, ensuring compliance with project, quality, safety, and performance requirements.

Your role will encompass:

• Lead and execute mechanical commissioning activities from pre-commissioning through to final handover, in line with approved procedures, project objectives, and contractual requirements.
• Provide hands-on commissioning expertise for mechanical Balance of Plant (BOP) systems, including turbines, HRSG, water/steam cycle, condensers, cooling water, fuel systems, auxiliary systems, and water & wastewater treatment facilities.
• Execute and supervise testing, system optimisation, troubleshooting, and completion of commissioning documentation and protocols.
• Coordinate and lead Mechanical Commissioning Engineers and technicians, ensuring efficient execution, proper sequencing, and adherence to commissioning schedules.
• Lead mechanical equipment and system functional tests in close cooperation with Electrical and I&C teams, including plant performance testing.
• Supervise equipment suppliers’ and vendors’ commissioning specialists and coordinate interfaces with construction, erection, and commissioning teams.
• Ensure full compliance with Health, Safety, and Environmental (HSE) requirements, including LOTO, work permits, and safe systems of work.
• Participate in system walk-downs, identify open items impacting start-up, and support resolution through close coordination with all stakeholders.
• Prepare and update commissioning procedures, red-marked drawings, and documentation, supporting the preparation of final as-built drawings.
• Report on mechanical commissioning progress, technical challenges, and risks to the Commissioning Manager or Head of Commissioning.

What You Bring to the Role:

• 5–7 years of experience in mechanical commissioning on power generation projects, preferably Combined Cycle Power Plants.
• Diploma or Bachelor’s degree in Mechanical Engineering (or related discipline).
• Strong hands-on knowledge of mechanical commissioning methodologies and BOP systems.
• Experience coordinating commissioning teams, contractors, and vendors in complex, multi-disciplinary site environments.
• Solid understanding of commissioning planning, testing, documentation, and interface management.
• Proven experience working under strict HSE frameworks.
• Strong leadership, communication, and organisational skills.
• Fluent written and spoken English.