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Pre Commissioning Engineer Jobs (NOW HIRING)

Clayco

Commissioning Engineer

Saint Louis, MO · On-site

Perform pre-commissioning and start-up inspections to confirm project is ready for commissioning ... Bachelor's Degree in Engineering or related field or equivalent experience, * 0-5 years of ...

Clayco

Commissioning Engineer

Saint Louis, MO · On-site

Perform pre-commissioning and start-up inspections to confirm project is ready for commissioning ... Bachelor's Degree in Engineering or related field or equivalent experience, * 0-5 years of ...

Clayco

Commissioning Engineer

Saint Louis, MO

Perform pre-commissioning and start-up inspections to confirm project is ready for commissioning ... Bachelor's Degree in Engineering or related field or equivalent experience, * 0-5 years of ...

Fervo Energy

I&C Commissioning Engineer

Houston, TX

$79K - $103K/yr

The role covers the full commissioning lifecycle from pre-commissioning loop checks and instrument ... The I&C Commissioning Engineer works closely with the Sr. Electrical Testing and Commissioning ...

Sparus Holdings

Commissioning Engineer

Conduct pre-commissioning checks, functional tests, and performance verification of electrical, mechanical, and control systems. * Collaborate with engineering, construction, and operations teams to ...

Fluence

Commissioning Engineer

Concord, NC · On-site +1

Identifies skill gaps and scheduling concerns in pre-commissioning to identify and manage those ... Experience managing teams of engineers or technicians in the electric power industry, or similar ...

Movu Robotics

Commissioning Engineer

Romeoville, IL

As our COMMISSIONING ENGINEER, you... * are responsible for the setup, configuration, interfacing ... pre-commissioning, commissioning, Go Live, reporting and signoff) * are responsible for PLC ...

STOW Group

Commissioning Engineer

Romeoville, IL · On-site +1

$95K - $115K/yr

As our COMMISSIONING ENGINEER, you... * are responsible for the setup, configuration, interfacing ... pre-commissioning, commissioning, Go Live, reporting and signoff) * are responsible for PLC ...

Superior

Commissioning Engineer

Conesville, OH · On-site

$45 - $60/hr

Commissioning Engineer Reports to: Commissioning Engineering Manager Location: Conesville, Ohio ... Lead portions of pre-energization readiness reviews * Identify and communicate risks related to ...

STOW Group

Commissioning Engineer

Romeoville, IL · On-site

$95K - $115K/yr

As our COMMISSIONING ENGINEER, you... * are responsible for the setup, configuration, interfacing ... pre-commissioning, commissioning, Go Live, reporting and signoff) * are responsible for PLC ...

McKim & Creed

Commissioning Engineer

Orlando, FL

Provide construction and acceptance phase commissioning services including completion of pre ... Project assignments include supporting the Senior Commissioning Engineer in completion of pre ...

MUAQUA ENGINEERING INC

Be Seen First

Commissioning Engineer

Phoenix, AZ · On-site

Perform pre-startup testing, system adjustments, and operational validation * Record and analyze ... Experience in engineering, commissioning, or construction projects is a plus (entry-level ...

McKim & Creed

Commissioning Engineer

Orlando, FL · On-site

Provide construction and acceptance phase commissioning services including completion of pre ... Project assignments include supporting the Senior Commissioning Engineer in completion of pre ...

LotusWorks Ltd

NY · On-site

$100 - $125/hr

Lead the execution of Pre-Commissioning and Commissioning (energization, startup, and testing ... engineered flow rates and pressure cascades. * Coordinate and witness vendor-led startups for ...

MUAQUA ENGINEERING INC

Be Seen First

Commissioning Engineer

Phoenix, AZ · On-site

Perform pre-startup testing, system adjustments, and operational validation * Record and analyze ... Experience in engineering, commissioning, or construction projects is a plus (entry-level ...

NorthWest Engineering Service, Inc

$60 - $80/hr

The Assistant Commissioning Engineer supports the commissioning process for building systems and ... Ability to pass pre-employment and ongoing background checks and drug screens * Valid Driver ...

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Pre Commissioning Engineer information

See salary details

$40K

$103.5K

$165.5K

How much do pre commissioning engineer jobs pay per year?

As of Sep 8, 2026, the average yearly pay for pre commissioning engineer in the United States is $103,451.00, according to ZipRecruiter salary data. Most workers in this role earn between $79,500.00 and $130,000.00 per year, depending on experience, location, and employer.

What is a pre commissioning engineer?

Pre Commissioning Engineers are professionals responsible for preparing and verifying industrial systems, such as oil and gas facilities, power plants, or manufacturing equipment, before they are put into full operation. Their work involves inspecting, testing, and ensuring all systems and components are installed correctly and function as intended. They perform activities like flushing, cleaning, leak testing, and calibration to ensure safety and compliance with standards. Pre Commissioning Engineers also document results and troubleshoot issues that arise during the process. Their role is crucial in minimizing operational risks and ensuring a smooth transition to the commissioning and operational phases.

What are the key skills and qualifications needed to thrive as a pre commissioning engineer?

To thrive as a Pre Commissioning Engineer, you need a solid background in mechanical, electrical, or process engineering, often supported by a relevant engineering degree and industry experience. Familiarity with commissioning management systems, testing protocols, safety regulations, and certifications like OSHA or CompEx are typically required. Strong problem-solving abilities, attention to detail, and effective teamwork and communication skills make someone stand out in this position. These skills ensure safe, efficient system start-up and compliance with project specifications, which are critical for successful plant or facility operations.

What are some common challenges faced by pre commissioning engineers during large-scale projects?

Pre Commissioning Engineers often encounter challenges such as coordinating with multiple disciplines, managing tight project timelines, and ensuring all systems meet safety and quality standards before handover. They must frequently troubleshoot unforeseen technical issues and document all pre-commissioning activities accurately. Effective communication with construction, operations, and quality assurance teams is crucial for resolving issues swiftly and keeping the project on track.

What is the difference between Pre Commissioning Engineer vs Commissioning Engineer?

AspectPre Commissioning EngineerCommissioning Engineer
CertificationsRelevant engineering degrees, technical certificationsSame as Pre Commissioning Engineer, often with additional certifications
Work EnvironmentInitial testing, system checks, equipment preparationFinal testing, system startup, operational validation
Industry UsageUsed during project startup phases in industrial, power, and oil & gas sectorsInvolved in commissioning phases, ensuring systems operate as intended

Pre Commissioning Engineers focus on preparing systems for startup through testing and checks, while Commissioning Engineers oversee the final activation and operational validation of systems. Both roles are essential in project execution, often overlapping but distinct in their specific responsibilities.

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What job categories do people searching Pre Commissioning Engineer jobs look for?

The top searched job categories for Pre Commissioning Engineer jobs are:

Pre Commissioning Engineer jobs near you
Infographic showing various Pre Commissioning Engineer job openings in the United States as of August 2026, with employment types broken down into 1% As Needed, 80% Full Time, 15% Part Time, 1% Temporary, and 3% Contract. Highlights an 94% Physical, 1% Hybrid, and 5% Remote job distribution, with an average salary of $103,451 per year, or $49.7 per hour.

Commissioning Engineer

Clayco

Saint Louis, MO • On-site

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 4 days ago

Clayco rating

8.6

Company rating: 8.6 out of 10

Based on 6 frontline employees who took The Breakroom Quiz

Job description

About Us

Clayco is a full-service, turnkey real estate development, master planning, architecture, engineering, and construction firm that safely delivers clients across North America the highest quality solutions on time, on budget, and above and beyond expectations. With $8.1 billion in revenue for 2025, Clayco specializes in the "art and science of building," providing fast track, efficient solutions for mission critical, industrial, life sciences, power & energy, aviation, commercial, institutional, residential and sports & entertainment related building projects.

The Role We Want You For

The Commissioning Engineer will be based on the construction project jobsite. In this role, you will assist the Commissioning Manager in commissioning activities and processes for assigned projects.

The Specifics of the Role

  • Review commissioning plans and documentation, including testing schedules.
  • Assist in completing daily commissioning activities on project site.
  • Coordinate with Operations Team and Project Management team on schedule, budget, training, and issues that arise.
  • Review and assist with any equipment and material deliveries with vendors and subcontractors.
  • Perform pre-commissioning and start-up inspections to confirm project is ready for commissioning activities.
  • Help create and schedule updates and reports on any commissioning issues in a timely manner to all necessary parties.
  • Prepare for transition to client after final inspections and commissioning processes are complete.
  • Perform other duties as necessary.

Requirements

  • Bachelor’s Degree in Engineering or related field or equivalent experience,
  • 0-5 years of commissioning experience.
  • ANSI CX Certification is a plus.
  • Data Center Commissioning experience a plus. 
  • Building Automation Systems (Controls) experience a plus.

Some Things You Should Know

  • Our clients and projects are nationwide – Travel will be required.
  • No other builder can offer the collaborative design-build approach that Clayco does.
  • We work on creative, complex, award-winning, high-profile jobs.
  • The pace is fast!
  • This position is classified as a safety-sensitive role in accordance with applicable state and federal laws. Candidates selected for this position will be subject to a comprehensive background check, which includes mandatory drug testing.

Why Clayco?

  • 2025 Best Places to Work – St. Louis Business Journal, Los Angeles Business Journal, and Phoenix Business Journal.
  • 2025 ENR Top 400 – Top Data Center Contractor (Top 3).
  • 2025 ENR Top 100 Design-Build Firms – Design-Build Contractor (Top 5).
  • 2025 ENR Top 100 Green Contractors – Green Contractor (Top 3).

Benefits

  • Discretionary Annual Bonus: Subject to company and individual performance.
  • Comprehensive Benefits Package Including: Medical, dental and vision plans, 401k, generous PTO and paid company holidays, employee assistance program, flexible spending accounts, life insurance, disability coverage, learning & development programs and more!

Compensation

  • The salary range for this position considers a wide range of factors in making compensation decisions including but not limited to: Education, qualifications, skills, training, experience, certifications, internal equity, and location. Compensation decisions are dependent on the facts and circumstances of each case.

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