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In office (United States)
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Junior · 2+ years exp
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Confirmed on the employer's own hiring board on Nov 10, 2026. First seen by Alion on Nov 10, 2026. Ameren scores B on the Alion truth index.

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Ameren is a US energy company headquartered in Saint Louis, Missouri, that generates electricity and delivers electric and natural gas service to customers in Missouri and Illinois. Listed on the New York Stock Exchange, it operates through Ameren Missouri, Ameren Illinois and a transmission business, serving about 2.5 million electric and over 900,000 natural gas customers, and it runs the Callaway nuclear plant in central Missouri. It hires electrical and mechanical engineers, system protection and distribution operating staff, gas apprentices and journeymen, safety supervisors, regulatory and rate analysts, strategists and paralegals.

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.

This is a pipeline posting for our next initial license training class in August of 2027.

DUTIES:

Under direct but not constant supervision and working on a rotating shift or straight shift schedule as required, to perform and be responsible for all of the operations associated with the complete control of a nuclear-powered electric generating unit.

In this connection to perform work such as, but not limited to, the following:

1. To operate a reactor-turbine-generator-unit in accordance with

prescribed procedures or as directed.

2. To participate in training programs as a student, to develop the skills and

knowledge needed to achieve and maintain a Nuclear Regulatory

Commission Reactor Operator’s License.

3. To participate in training programs as an aide to the instructor, to retain job

proficiency and thereby maintain an active Reactor Operator’s License.

4. To direct and/or execute the proper completion of routine and special

surveillance tests on plant equipment working independently or together

with other members of the plant organization.

5. To direct the activities of Operations Technicians and Operations

Technician Assistants in their routine and special activities.

6. To direct and/or assist where needed, in the operation of auxiliary equipment

related to special activities such as fuel handling, waste management, water

treatment, plant operation, and sewage treatment plant operation.

7. On an as needed basis, serve in the Radiation Protection Program or assist

in any other plant activity.

8. Communicate verbally or in writing with authorized inspectors or other

representatives of plant management, or the Nuclear Regulatory

Commission, on any plant activity with which he/she has been involved.

9. Properly drive a motor vehicle when directed or when required to perform

his/her duties.

SPECIAL RESPONSIBILITIES:

To develop and maintain complete understanding of all facets of the plant emergency program and plant security system. To react as appropriate in the protection of the public in case of an operational emergency. To serve as an active participant in these programs.

EDUCATIONAL AND EXPERIENCE REQUIREMENTS:

1. A high school diploma or have passed a high school examination equivalency.

2. Total power plant experience must be greater than 18 months for a nuclear or

military reactor facility, or greater than 27 months for a non-nuclear facility.

3. The candidate must meet one of the criteria below:

  • A.) Candidate has at least 6 months of experience performing plant operational duties as a qualified non-licensed operator at the Callaway Nuclear facility.
  • B.) Candidate has at least 12 months experience performing plant operational duties as a qualified non-licensed operator at a comparable (BWR/PWR) nuclear facility or 18 months of experience at a noncomparable commercial power reactor facility.
  • C.) Candidate have at least 6 months of experience performing plant operational duties as an active licensed reactor operator (per 10 CFR 55.53[e]) at a comparable (BWR/PWR) nuclear facility or 12 months of experience at a noncomparable commercial power reactor facility.
  • D.) Candidate has at least 18 months of experience in a position equivalent to the reactor operator position at a military reactor? This includes reactor operators, engineering officer of the watch, propulsion plant watch officer, engineering watch supervisor, and propulsion plant watch supervisor.
  • E.) Candidate has 27 months power plant experience at a non-nuclear facility (power plant experience is defined in the additional action section).

PHYSICAL REQUIREMENTS:

1. Must have good eyesight, good reflexes, good hearing and no color

deficiency in vision.

2. The candidate must successfully complete a full medical examination.

This medical examination is to include a test or examination by a

psychiatrist or physician to determine that there is no sign of aberrant

behavior or emotional instability that would impair ability to discharge

duties in a competent manner

Power Plant experience is defined as applicable work performed in fossil fueled or nuclear-fueled electric power production plants during preoperational, startup testing or operational activities. Experience in petrochemical; similar process plants; or steam propulsion plant design, construction, technical support, operation, maintenance, or training instruction can be substituted for applicable power plant experience. Simply observing others performing work is not considered power plant experience. Time spent in classroom training cannot be counted toward power plant experience requirements. However, time spent performing job-based training and qualification activities in the plant - such as under instruction watch standing, on-the-job training, and task or watch station qualification activities - can be applied toward power plant experience requirements. Time spent performing in-plant job-based training and qualification activities should be specifically documented if such time is used to meet power plant experience requirements.

Hourly Pay:

Grade Step OA 132 Step 1 of 1 (Top Step) - 64.01 USD

Position is eligible for annual incentive payments based on company performance and subject to sole management discretion. Visit our Benefits & Perks Page for more information on benefits provided to regular full-time employees.

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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