Mechanical Commissioning Specialist

Job overview

The Mechanical Commissioning Specialist role is onsite in Lathrop, MO. Compensation is not specified; the posting describes it as DOE. The assignment supports startup of a natural gas peaking power plant and is listed as a 6–9 month contract with 40+ hours. The specialist verifies equipment installation and testing against design, specifications, and supplier requirements, then coordinates startup and turnover activities. The role helps ensure systems are operationally feasible, documented, and ready for client handoff while supporting safety, quality, and continuous improvement.

What you'll do

• Verify plant equipment compliance with project contracts, specifications, design, and supplier requirements
• assist with startup packages, documentation, and schedules
• plan startup milestones and manage completion and turnover phases
• develop startup procedures and coordinate startup efforts
• conduct system walkdowns and identify outstanding items
• serve as primary system point of contact through startup and operation
• support safety, quality, continuous improvement, and change management.

What we're looking for

Skills & competencies

mechanical commissioning specialist

lathrop mo

system one

power plant

natural gas

commissioning

startup activities

equipment verification

system walkdowns

turnover

siemens 9000hl

onsite

Work arrangement

• Weekend coverage required

Benefits & perks

• Eligible employees may access medical, dental, vision, spending accounts, life insurance, voluntary plans, and a 401(k) plan.

Why this role

Natural gas peaking power plant assignment; 6–9 month duration; 40+ hours; Siemens 9000HL experience listed; Bachelor’s degree in engineering and 3+ years of startup experience preferred.

About the employer

System One is hiring for this role. Industry: Engineering Services. Sector: 54.