Senior Commissioning Engineer ICSS

About the role

The Senior Commissioning Engineer ICSS will lead commissioning activities for complex oil & gas projects, applying best practices to improve the discipline across McDermott. Reporting to the Commissioning Manager, the engineer will mentor junior staff and ensure all commissioning work follows company guidelines and client requirements.

Key responsibilities

• Support the Principal Commissioning Engineer in preparing home‑office deliverables.
• Conduct walk‑down inspections, punch listings, and testing of mechanical, electrical and instrumentation components on site.
• Develop and maintain manuals, start‑up spares, first fills and consumables documentation.
• Perform equipment system checks, function testing, and resolve operational issues during commissioning, start‑up and performance testing.
• Supervise craft personnel for pre‑commissioning and commissioning activities.
• Coordinate with project engineers, construction/fabrication teams, and client representatives to maintain positive relationships.

Required profile

• Bachelor’s degree in Engineering or equivalent.
• 8‑15 years of oil & gas experience with a major contractor or consultant.
• Strong understanding of commissioning, completions, and start‑up processes.
• Proven ability to mentor less‑experienced colleagues.

Required skills

• Mechanical systems commissioning
• Electrical systems commissioning
• Instrumentation troubleshooting
• Start‑up procedures development
• Performance testing of plant equipment
• Equipment system checks and functional testing
• Manuals and documentation development
• Spare parts and consumables planning