The Lead Mechanical / Piping Commissioning Engineer will report directly to the Overall Commissioning, Start-Up (CSU) Manager and will be responsible for overseeing the commissioning, start-up, and performance testing of mechanical equipment and piping systems. This full-time role will require extensive expertise in mechanical equipment, both static and rotating along with piping systems and a deep understanding of nitrogen-helium leak testing, flange management, piping testing, and related commissioning activities, It will also require exceptional organizational, technical, and leadership skills to ensure successful project completion and handover while managing all aspects of mechanical completion, pre-commissioning, and commissioning activities per industry standards and project objectives.