Mechanical Lead: Commissioning & Start-up — Rotating Equipment

Opex Energy; Ostrołęka; On-site; PLN 240,000 - 320,000; Full time

Job summary

Opex Energy is seeking a Mechanical Lead for Commissioning & Start-up of a large Combined Cycle Power Plant project in Poland. You will oversee piping, rotating and static equipment during pre-commissioning and commissioning, coordinating resources to ensure safe, efficient, and compliant execution.

You will collaborate with Construction, Commissioning, Operations, OEMs and Contractors to manage rotating equipment readiness, chemical cleaning campaigns, and handover activities before final

Qualifications

• Experience supervising during commissioning and start-up of industrial facilities.
• Ability to manage pipefitters, welders, and mechanical technicians.
• Hands-on knowledge of rotating equipment installation and alignment.
• Experience with steam blowing, oil flushing, and chemical cleaning.
• Experience in Power Generation, Oil & Gas, or petrochemical projects.
• Strong coordination with OEMs, contractors, and multidisciplinary teams.

Responsibilities

• Lead mechanical resources during pre-commissioning, commissioning, and start-up.
• Oversee pipefitters and welders for temporary piping installations.
• Coordinate rotating equipment preparation and alignment activities.
• Coordinate readiness of pumps and related auxiliary equipment.
• Coordinate with OEMs and contractors during commissioning.
• Identify and resolve mechanical issues during start-up.

Skills

Mechanical supervision

Resource coordination

Rotating equipment

Steam blowing

Oil flushing

Chemical cleaning

Industrial projects

Job description

Opex Energy is seeking a Mechanical Lead for Commissioning & Start-up of a large Combined Cycle Power Plant project in Poland. You will oversee piping, rotating and static equipment during pre-commissioning and commissioning, coordinating resources to ensure safe, efficient, and compliant execution.

You will collaborate with Construction, Commissioning, Operations, OEMs and Contractors to manage rotating equipment readiness, chemical cleaning campaigns, and handover activities before final