Mechanical 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 Engineer provides engineering support in all phases of maintenance, operations, design, and modifications for Ameren Energy Centers as needed.

Key responsibilities include:

• Perform engineering studies to improve Energy Center reliability, performance, efficiency, and safety.

• Perform field inspections, monitor operation, provide preventive maintenance recommendations, and provide information to optimize maintenance activities on assigned equipment.

• Implement various codes and standards to assure Energy Center is in compliance with local, state, and federal government regulations. Utilize Energy Center and outside resources as the System Owner for assigned equipment to implement continuous improvement. Optimize reliability and cost through the use of predictive technologies, PI system (Plant Information Monitoring and Data Storage System), industry associations, and Energy Center personnel resources.

• Actively support various programs such as Plant Reliability Optimization (PRO) and the Corrective Action Program (CAP). Follow and support Design Control and other Quality Management System policies and procedures.

• Responsible for development of engineering solutions, estimates of cost and schedule, maintenance and repair specifications, in coordination and liaison with operating and maintenance groups at the Energy Centers.

• Responsible for the preparation of required reports, job requisitions, work orders, and other documents; maintenance of records; and revision of drawings.

• Implement Computer technologies to use Energy Center facilities in the most cost-effective manner. Interact with assigned system related vendors and other groups within Ameren Company.

• Subject to call-outs, nights, weekends and/or holiday work to support power plants.

Qualifications:

Bachelor of Science Degree in Mechanical Engineering or comparable engineering discipline from an accredited college or university required. Energy Center experience preferred. Boiler experience will be considered a plus for potential job candidates.

*Technical career path level depends upon applicant’s credentials.

In addition to the above qualifications, the successful candidate will demonstrate:

Good analytical, human relations, written and oral communication skills, and computer experience required. Ability to work overtime and take off-hour call-outs as necessary in order to support Energy Center operations is required. Travel between energy centers across Missouri and the Power Operations Services office in the St. Louis area required.

Additional Information

Ameren’s selection process includes a series of interviews and may include candidate testing and/or an individual aptitude or skill-based assessment. Specific details will be provided to qualified candidates.

This position is 100% onsite

Compensation Range:

$71,100.00 - $172,200.00

• 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:

Monday August 03, 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.