Nuclear Construction Supervisor

Posted:
1/16/2026, 8:46:15 AM

Location(s):
Missouri, United States

Experience Level(s):
Mid Level ⋅ Senior

Field(s):
Mechanical Engineering

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 Nuclear Construction Supervisor is responsible to manage project, modification design and implementation phases, provide contractor oversight and develop/review work packages/work instructions for plant modifications and project related activities.

Key responsibilities include:

  • Review designs and provide expertise to Design Engineering for major modification projects.
  • Provide oversight to supplemental contractors in accordance with the Callaway Energy Center Supplemental Maintenance Supervisor program.
  • Manage the implementation phase of projects, conduct project coordination/status meetings and provide project oversight/coordination with involved/impacted work groups.
  • Develop and/or review work packages and work instructions to ensure they include appropriate safety (including RP/ALARA considerations), technical, quality testing, tools/equipment, material, permitting and workforce needs and requirements.
  • Determine ASME code requirements, ensure code repair/replacement documentation is adequate, and provide ANII notification.
  • Develop work fragnets or work breakdown structures (WBS) to determine proper sequence of work activities and provide input to Scheduler in development of implementation schedule.
  • Supervise work activities to ensure compliance with applicable procedures and policies.
  • Review completed work activities documentation for completeness and accuracy.
  • Review completed work packages for regulatory and procedural compliance

Qualifications

Must have nuclear power plant experience (required).

In addition, must meet one of the following requirements:

1. Bachelor's Degree in a related field and Five (5) years of relevant experience (e.g. relevant exp for this and following bullets: Power plant experience, work package planning/scheduling, qualified QC Inspection, engineering, contractor oversight, journey level power plant, relevant military or relevant heavy industrial maintenance, etc). OR

2. Associate's degree in a related field and Seven (7) or more years of relevant experience, OR

3. High School Diploma or equivalent and Nine (9) or more years of relevant experience

Experience with nuclear power plant major modifications is preferred.

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

Good leadership, decision making, communication and human relations skills required; and the following Ameren competencies: Think Customer, Inspire and Engage, Foster Innovation, Drive Results, Champion Learning, Build Trust, and Be Strategic. Security screening required for Callaway Energy Center access.

Working Conditions

The Engineering Field Engineer works a standard day shift in an office setting at the Callaway Energy Center. -Field presence required during modification development and execution. Additional hours and/or rotating shifts may be required during refueling outages and emergent plant activities as the needs arise.

Additional Information

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

Compensation Range:

$105,100.00 - $162,900.00

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:

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.

Ameren

Website: https://www.ameren.com/

Headquarter Location: St Louis, Missouri, United States

Employee Count: 5001-10000

Year Founded: 1997

IPO Status: Public

Last Funding Type: Post-IPO Debt

Industries: Consulting ⋅ Consumer Electronics ⋅ Electrical Distribution ⋅ Energy ⋅ Information Technology ⋅ Oil and Gas ⋅ Solar