Commissioning Engineer

About Ameren Missouri

Ameren Missouri has been providing electric and gas service for more than 100 years, and our electric rates are among the lowest in the nation. Ameren Missouri's mission is to power the quality of life for our 1.2 million electric and 132,000 natural gas customers in central and eastern Missouri. Our service area covers 64 counties and more than 500 communities including the greater St. Louis area.

Our benefits include:

• Medical coverage on date of hire

• 100% employer paid cash balance pension plan

• 401(k) with company match fully vested on date of hire

• Minimum of 15 days paid vacation and 12 paid holidays

• Paid parental leave and family caregiver leave

Visit our Benefits & Perks Page for more information on benefits provided to regular full-time employees. ​

About The Position
The Commissioning Engineer performs startup and check out activities for new assets as assigned by the Commissioning Supervisor.  This position has primary responsibility for supporting Missouri Regulated Generation Non-Nuclear energy centers with travel required.  

Key responsibilities include:

• Manage and/or support projects involving electrical, mechanical and process equipment and related systems.
• Develop test plans, test procedures, cost and schedule estimates, and preliminary work plans with identified resources.
• Upon assignment, perform detailed system and existing equipment surveillance, and review specifications for equipment and construction details, review vendor O&M manuals, review contract for deliverable requirements, analyze proposals, produce cost and schedule estimates, and assist project engineer in the planning and coordination of work effort.
• Lead the checkout and start-up of the new equipment.
• Support engineering assistance to energy centers and other departments within the company on activities requiring experience and expertise with all systems.

• Interface with industry contacts and outside corporations, including consultants, contractors, and their employees.

​Qualifications

Bachelor's Degree in Engineering from an accredited college or university is required. PE License is preferred. Relevant engineering experience is preferred. Experience managing, supervising, or leading people preferred. Experience with low/medium/high voltage electrical equipment, including but not limited to switchgear, MCCs, motors, transformers, buses, instrument and controls engineering, field testing and troubleshooting of industrial equipment etc., preferred. Experience with protective relaying is preferred.

*Salary depends upon individual credentials, experience, and/or engineer technical path and position market pay level.

Additional Job Description
In addition to the above qualifications, the successful candidate will demonstrate:
Must possess excellent analytical, communication, computer, human relations, and leadership skill. Travel between energy centers and the DRC and outside of the St. Louis area required.  Subject to call-outs, nights, weekends and/or holiday work to support power plants. 
 

Compensation Range:

$71,100.00 - $215,300.00

* This pay range encompasses multiple levels of the role. Career level and compensation depends upon applicant’s credentials.

At Ameren, base salary is one component of a competitive compensation package for employees. Our pay ranges are broad to allow for movement within our organization and to accommodate different skill sets and levels of expertise. We take into consideration a variety of factors including, but not limited to, skills, abilities, experience, education, credentials, and internal equity when determining the base salary offered. Roles are eligible for additional rewards including annual incentive payments based on individual and company performance.

If end date is listed, the posting will come down at 12:00 am on that date:

Friday September 11, 2026

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, ethnicity, age, disability, genetic information, military service or status, pregnancy, marital status, sexual orientation, gender identity or expression, or any other class, trait, or status protected by law.