Supervisor, Nuclear Maintenance (Mechanical)

About The Callaway Energy Center

The Callaway Energy Center is a nuclear facility located in mid-Missouri. It has more than 800 employees and contractors, and has a strong record of safe operation since its establishment 30 years ago. It provides sustainable, low-cost electricity to Ameren Missouri’s 1.2 million customers. Visit our Benefits & Perks Page for more information on employee benefits.

About The Position

The Supervisor Nuclear Maintenance directs the work of skilled personnel in maintenance, replacement, installation, and removal of equipment in the power plant and associated structures to ensure safe, reliable, and uninterrupted operation. Key responsibilities include:

• Supervise maintenance personnel in performing predictive, preventive, and corrective maintenance and related surveillance testing.
• Plan, schedule, and assign work, or assist in work scheduling and coordination with the Planning & Scheduling department.
• Ensure safe and efficient use of manpower and resources, promote high standards of workmanship, maintain equipment reliability, and train personnel in proper work practices.
• Affirm work activities comply with applicable procedures and policies in an efficient manner.
• Document completed work activities accurately.
• Perform special studies and projects as assigned by Maintenance Department management.
• Assume Emergency Response Organization (ERO) duties in accordance with the Callaway Energy Center Radiological Emergency Response Plan (RERP), including responding to assigned ERO facilities within the required response time.

Qualifications

• A High School Diploma or equivalent is required.
• A Bachelor's Degree in Engineering or Physical Sciences from an accredited college or university is preferred.
• Five or more years of relevant technical power plant or similar relevant technical industrial experience is required.
• Nuclear Power Plant experience is preferred.
• Supervisory experience is preferred.
• Experience with valves and/or welding is preferred.

Additional Qualifications

• Good decision-making, leadership, communication, and human relations skills are required.
• Selected applicants must pass the First Line Supervisor Test and achieve a recommended status to proceed to additional selection procedures (e.g., interview).
• Qualified candidates must establish and maintain permanent residence within sixty highway miles of the Callaway Energy Center.
• Security screening is required for Callaway Energy Center access.

Working Conditions

The Maintenance Supervisor works a standard day or evening shift in an office/plant environment. Additional hours, callouts, and/or rotating shifts may be required during refueling outages and emergent plant activities as needed.

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

$105,100.00 - $162,900.00

Specific Details

If an end date is listed, the posting will come down at 12:00 AM on that date: Tuesday July 21, 2026.

All Qualified Applicants

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.