Relay Maintenance Engineer

ameren· AIC Ameren Illinois
Apply Now ↗
📍 St. Louis, MOFull time💰 USD 71K–110K
Full timeAIC Ameren Illinois

About this role

About Ameren Illinois

Ameren Illinois provides electric transmission and distribution service and natural gas distribution service. Every day, we deliver electricity to 1.2 million electric and 816,000 natural gas customers in central and southern Illinois. We deliver safe, reliable energy to more than 1,200 communities. 

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 and Perks Page for more information on benefits provided to regular full-time employees.

About The Position 

​​​​The Relay Maintenance Engineer provides technical support to relay maintenance personnel on maintenance problems.​​​ 

Key responsibilities include: 

  • ​​Review and investigate system operations to determine necessary corrective actions.  

  • ​Coordinate testing program to assure necessary PM tasks are completed as required by internal and external requirements.  

  • ​Provide support to relay maintenance personnel for commissioning and checkout of new relay systems and equipment. 

  • ​Prepare minor design changes to settings or systems as needed to support ongoing system operation. 

  • ​Support maintenance and replacement of communication devices such as RTUs and DFRs throughout the state.​​ 

Qualifications 

​​​Bachelor of Science Degree in Electrical Engineering from an accredited college or university required. Two or more years of utility experience with specific knowledge of protective relaying or substation and power plant control schemes preferred.​​ New grads are open to applying.

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

​​​​Proficiency in Windows-based software such as Access and Excel preferred. Good analytical, decision-making, communication, and human relations skills.​​​ 

Additional Information 

Ameren’s selection process includes a series of interviews and may include a leadership assessment process.  Specific details will be provided to qualified candidates.

Compensation Range:

$71,100.00 - $110,200.00

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:

Wednesday August 05, 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.

Frequently Asked Questions

What is the salary for the Relay Maintenance Engineer role at ameren?
The listed salary for this Relay Maintenance Engineer position at ameren is USD 71K–110K. This is an Full time role.
Where is the Relay Maintenance Engineer position at ameren located?
This Relay Maintenance Engineer role at ameren is based in St. Louis, MO. The position is listed as on-site or hybrid. Check the full job description or apply directly to confirm the work arrangement.
Is the Relay Maintenance Engineer role at ameren full-time or part-time?
This is listed as a Full time position. It is posted as a Relay Maintenance Engineer role in the AIC Ameren Illinois department at ameren.
Which team or department does the Relay Maintenance Engineer at ameren belong to?
This Relay Maintenance Engineer position is part of the AIC Ameren Illinois department at ameren. See the full job description for more information about the team structure and responsibilities.
How do I apply for the Relay Maintenance Engineer position at ameren?
Click the "Apply Now" button on this page. You will be redirected to ameren's official application portal hosted on workday where you can submit your application directly.
When was the Relay Maintenance Engineer job at ameren posted?
This Relay Maintenance Engineer position at ameren was posted on Jul 24, 2026. Apply as soon as possible — early applications are often reviewed first.
Relay Maintenance Engineer
ameren · 💰 USD 71K–110K
Apply for this role ↗

You'll be redirected to ameren's official application page on Workday.