Commissioning Engineer II – Mechanical

Commissioning Engineer II – Mechanical

Location: Lathrop, Missouri, USA

Employment Type: Contract | Full-Time | On-site

Contract Duration: November 2026 – April 2027

Schedule: 50 hours per week

About Brunel

Brunel is a global recruitment and workforce solutions company with over 50 years of experience supporting the energy, engineering, construction, infrastructure, and industrial sectors.

Operating in more than 40 countries, we connect highly skilled professionals with leading organizations worldwide, supporting complex projects through specialized technical expertise and workforce solutions.

About the Opportunity

Brunel is currently seeking an experienced Commissioning Engineer II – Mechanical to support a major industrial project in Lathrop, Missouri.

Our client is a well-established global engineering, procurement, and construction (EPC) organization with extensive experience delivering complex infrastructure, energy, and industrial projects. The company provides engineering, construction, commissioning, and operational solutions for large-scale facilities.

The successful candidate will play a key role in mechanical commissioning, equipment testing, startup activities, and the transition from construction completion to operational readiness.

This position requires hands-on technical expertise, strong coordination skills, and experience supporting commissioning activities in complex industrial or power generation environments.

Key Responsibilities

• Verify that mechanical equipment and plant systems comply with project specifications, engineering designs, and contractual requirements.
• Ensure equipment is properly installed, configured, and tested according to supplier specifications and operational requirements.
• Support the development and execution of mechanical commissioning and startup packages.
• Prepare, review, and maintain commissioning documentation, procedures, and technical records.
• Coordinate startup activities, including equipment testing, chemical cleaning, steam blows, and performance testing.
• Participate in the development and maintenance of detailed startup schedules and commissioning milestones.
• Conduct system walkdowns to verify mechanical completion and identify outstanding work, deficiencies, and punch-list items.
• Coordinate construction completion, turnover to startup, startup to operations, and final handover to the client.
• Review engineering drawings and document as-built modifications.
• Support the management of spare parts, consumables, and outstanding commissioning activities.
• Serve as the primary technical point of contact for assigned mechanical equipment and systems during startup and initial operations.
• Collaborate with engineering, construction, and operations teams to ensure efficient commissioning and timely project delivery.
• Ensure compliance with applicable safety, quality, engineering, and contractual standards.
• Support continuous improvement initiatives throughout commissioning and startup activities.

Qualifications & Experience

• Bachelor's Degree in Engineering preferred.
• 3+ years of relevant commissioning or startup experience preferred.
• Experience with mechanical systems, industrial equipment, and plant startup activities.
• Previous experience in power generation or industrial facilities preferred.
• Strong understanding of mechanical commissioning, equipment testing, and operational readiness.
• Experience with system walkdowns, construction completion, and turnover procedures.
• Ability to interpret engineering drawings, technical specifications, and construction documentation.
• Familiarity with commissioning schedules, startup packages, and performance testing.
• Knowledge of tools, equipment, and instrumentation used in commissioning activities.
• Strong planning, communication, coordination, and problem-solving skills.
• OSHA 10-Hour Training preferred.

Project Details

• Location: Lathrop, Missouri
• Work Arrangement: 100% On-site
• Contract Start: November 9, 2026
• Estimated Contract End: April 2, 2027
• Schedule: 5 days per week, 10 hours per day
• Total Weekly Hours: 50

Why Join This Opportunity?

This opportunity offers the chance to contribute to a complex industrial project alongside experienced engineering and construction professionals.

The role provides hands-on involvement in mechanical commissioning, startup execution, equipment testing, and operational turnover, supporting the successful delivery of a major facility.

Interested?

If you have experience in mechanical commissioning and industrial plant startup and are interested in learning more about this opportunity, we would like to hear from you.

Apply today or connect with Brunel to discuss the position and next steps.