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Apprentice Senior Reactor Operator Jobs (NOW HIRING)

Senior Reactor Operator

Steedman, MO · On-site

$105K - $162K/yr

Must meet one of the following requirements: 1)Currently a Licensed Reactor Operator or Licensed Senior Reactor Operator with one or more years of experience in the position; 2) Previously a Licensed ...

Constellation is seeking Initial License Trainees (ILT) to become a licensed Senior Reactor Operator (SRO) supporting Bryon Nuclear Power Station located in Byron, IL. These Initial License Trainees ...

Constellation is seeking Initial License Trainees (ILT) to become a licensed Senior Reactor Operator (SRO) supporting Clinton Nuclear Power Sation in Clinton, IL. Primary Purpose of Position The ...

Constellation is seeking Initial License Trainees (ILT) to become a licensed Senior Reactor Operator (SRO) supporting Clinton Nuclear Power Sation in Clinton, IL. Primary Purpose of Position The ...

Constellation is seeking Initial License Trainees (ILT) to become a licensed Senior Reactor Operator (SRO) supporting Quad Cities Nuclear Power Station located in Cordova, IL. These Initial License ...

Constellation is seeking Initial License Trainees (ILT) to become a licensed Senior Reactor Operator (SRO) supporting Clinton Nuclear Power Sation in Clinton, IL. Primary Purpose of Position The ...

Constellation is seeking Initial License Trainees (ILT) to become a licensed Senior Reactor Operator (SRO) supporting Dresden Nuclear Station in Morris, IL. These Initial License Trainees (ILT) are ...

Constellation is seeking Initial License Trainees (ILT) to become a licensed Senior Reactor Operator (SRO) supporting Peach Bottom Generating Station located in Delta, PA . The primary purpose of ...

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Apprentice Senior Reactor Operator information

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How much do apprentice senior reactor operator jobs pay per hour?

As of Jun 6, 2026, the average hourly pay for apprentice senior reactor operator in the United States is $20.17, according to ZipRecruiter salary data. Most workers in this role earn between $17.07 and $21.88 per hour, depending on experience, location, and employer.
What are the most commonly searched types of Senior Reactor Operator jobs? The most popular types of Senior Reactor Operator jobs are:
Senior Reactor Operator

Senior Reactor Operator

Ameren

Steedman, MO • On-site

$105K - $162K/yr

Full-time

Medical, Retirement, PTO

This job post has expired today. Applications are no longer accepted.


Ameren rating

8.2

Company rating: 8.2 out of 10

Based on 41 frontline employees who took The Breakroom Quiz

23rd of 50 rated energy and utility


Job description

About the Callaway Energy Center

The Callaway Energy Center is a nuclear facility located in mid-Missouri. The Energy Center has more than 800 employees and contractors working at the facility, and it has established a strong record of safe operation throughout its 30-year operating history. The Energy Center is a highly efficient, low-cost, sustainable source of electricity for Ameren Missouri's 1.2 million customers.

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 parentalleave and family caregiver leave

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

About The Position

TheOperating Supervisor supervises the operation of Callaway Energy Center to ensure the safe,legaland efficient operation of the nuclear power generating unit.

Key responsibilities include:

  • Manage and direct a team of approximately 10 employees.
  • Direct Reactor Operators in the control room performing procedures to maneuver and operate the plant.
  • Supervise Operations Technicians in the field performing local system operations and testing.
  • Administer the Workman's Protection Assurance Program.
  • Train and develop crew members.
  • Interface with all nuclear departments, internal company personnel, and external personnel as required to support work on plant equipment and systems.
  • Maintain and promote positive behaviors in the areas of commitment to excellence, teamwork, respect, integrity, accountability, and stewardship.
  • Support performance improvement initiatives such as assessments, benchmarks, and the corrective action program.
  • Actively participate in training to develop and broaden the skills of the Callaway Energy Center workforce.
  • May be assigned to rotational positions in work control or as a training instructor.
  • AssumeEmergency Response Organization (ERO)duties in accordance with Callaway Energy Center Radiological Emergency Response Plan (RERP) including responding to assigned ERO facilities within the required RERP response time.

Qualifications

High School Diploma or equivalentisrequired.Must meet one of the following requirements:

1)Currently a Licensed Reactor Operator or Licensed Senior Reactor Operator with one or more years of experience in the position;

2) Previously a Licensed Reactor Operator or Licensed Senior Reactor Operator at a commercial reactor with at least 1.5 years of experience in the position;

3) Qualified Reactor Operator (RO), Engineering Watch Supervisor (EWS), Propulsion Plant Watch Supervisor (PPWS), or Engineering Officer of the Watch (EOOW) on a military reactor for a minimum of 2 years;

4) Bachelor'sdegree with a minimum of 1.5 years of nuclear power plant experience;

5) Previously Certified Senior Reactor Operator at another site or currently Certified Senior Reactor Operator at Callaway with at least 2 years of experience in the position.

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

Good leadership, decision-making,communicationand human relations skills are required. After preliminary review, selected applicants must take the First Line Supervisor Test and obtain a recommended statusin order tobe eligible for additional selection procedures (e.g., interview) designated for this position. Qualified candidates are required to establish and maintain their permanent residence within sixty highway miles of the Callaway Energy Center. Security screening required for Callaway Energy Center access.

Working Conditions

The Operating Supervisor works a rotating shift in an office/plant environment. Additional hours and/or callouts may be required during refueling outages and emergent plant activities as the needs arise.

Additional Information

Ameren's selection process includes a seriesofinterviews and may includea leadership 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.

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About Ameren

Sourced by ZipRecruiter

Ameren is a leading energy company that provides reliable and sustainable electricity and natural gas services to millions of customers across the United States. With a strong presence in the Midwest region, Ameren is committed to delivering safe, affordable, and clean energy solutions to homes, businesses, and communities. As an industry leader, Ameren invests in advanced technologies and infrastructure to ensure a resilient energy grid and enhance the customer experience. Ameren prioritizes environmental stewardship and is actively working towards reducing carbon emissions and increasing the use of renewable energy sources. Ameren's dedication to sustainability is evident through their ongoing efforts to promote energy efficiency, support clean energy initiatives, and engage in community partnerships.

Industry

Utilities

Company size

5,001 - 10,000 Employees

Headquarters location

Saint Louis, MO, US

Year founded

1902

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