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Nuclear Power Reactor Operator Jobs in Missouri (NOW HIRING)

Constellation Energy

Senior Reactor Operator

Fenton, MO · On-site

Senior Reactor Operator We are currently looking for a Senior Reactor Operator to join our team and take charge of operations at our nuclear facility. This crucial position involves ensuring the safe ...

Constellation Energy

Senior Reactor Operator

Eureka, MO · On-site

Senior Reactor Operator We are currently looking for a Senior Reactor Operator to join our team and take charge of operations at our nuclear facility. This crucial position involves ensuring the safe ...

Constellation Energy

Temporary Operator - 1st Shift

Fenton, MO · On-site

$17 - $22.50/hr

Senior Reactor Operator We are currently looking for a Senior Reactor Operator to join our team and take charge of operations at our nuclear facility. This crucial position involves ensuring the safe ...

New

Constellation Energy

Temporary Operator - 1st Shift

Eureka, MO · On-site

$16.75 - $22.25/hr

Senior Reactor Operator We are currently looking for a Senior Reactor Operator to join our team and take charge of operations at our nuclear facility. This crucial position involves ensuring the safe ...

New

US Navy

Nuclear Engineer

Hayti, MO · On-site

$79K - $94K/yr

... reactor design, fleet operations, and eventual defueling and decommissioning of nuclear powered ... operating plants at sea; balance long term engineering projects with time sensitive fleet and ...

US Navy

Nuclear Engineer

Potosi, MO · On-site

$85K - $102K/yr

... reactor design, fleet operations, and eventual defueling and decommissioning of nuclear powered ... operating plants at sea; balance long term engineering projects with time sensitive fleet and ...

US Navy

Nuclear Engineer

Marceline, MO · On-site

$77K - $92K/yr

... reactor design, fleet operations, and eventual defueling and decommissioning of nuclear powered ... operating plants at sea; balance long term engineering projects with time sensitive fleet and ...

US Navy

Nuclear Engineer

Billings, MO · On-site

$94K - $113K/yr

... reactor design, fleet operations, and eventual defueling and decommissioning of nuclear powered ... operating plants at sea; balance long term engineering projects with time sensitive fleet and ...

US Navy

Nuclear Engineer

Lathrop, MO · On-site

$83K - $99K/yr

... reactor design, fleet operations, and eventual defueling and decommissioning of nuclear powered ... operating plants at sea; balance long term engineering projects with time sensitive fleet and ...

US Navy

Nuclear Engineer

Hillsdale, MO · On-site

$84K - $101K/yr

... reactor design, fleet operations, and eventual defueling and decommissioning of nuclear powered ... operating plants at sea; balance long term engineering projects with time sensitive fleet and ...

US Navy

Nuclear Engineer

Kansas City, MO · On-site

$96K - $115K/yr

... reactor design, fleet operations, and eventual defueling and decommissioning of nuclear powered ... operating plants at sea; balance long term engineering projects with time sensitive fleet and ...

US Navy

Nuclear Engineer

Stockton, MO · On-site

$89K - $107K/yr

... reactor design, fleet operations, and eventual defueling and decommissioning of nuclear powered ... operating plants at sea; balance long term engineering projects with time sensitive fleet and ...

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Nuclear Power Reactor Operator information

See Missouri salary details

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How much do nuclear power reactor operator jobs pay per month?

As of Aug 26, 2026, the average monthly pay for nuclear power reactor operator in Missouri is $1,663.67, according to ZipRecruiter salary data. Most workers in this role earn between $1,641.67 and $1,683.33 per month, depending on experience, location, and employer.

What is a nuclear power reactor operator?

Nuclear Power Reactor Operators are professionals responsible for controlling nuclear reactors at power plants. They monitor reactor systems, adjust controls, and follow strict safety protocols to ensure the reactor operates safely and efficiently. Their duties also include responding to abnormalities, performing routine inspections, and coordinating with other plant personnel. Operators must be licensed and highly trained due to the complexity and safety requirements of the job.

What are the key skills and qualifications needed to thrive as a nuclear power reactor operator?

To thrive as a Nuclear Power Reactor Operator, you need a solid understanding of physics, mathematics, and engineering principles, along with a high school diploma or equivalent and extensive on-the-job training. Proficiency in using control room instrumentation, simulator training systems, and a Nuclear Regulatory Commission (NRC) license are typically required. Attention to detail, calmness under pressure, and strong communication skills are essential soft skills for this role. These competencies are crucial for ensuring the safe and efficient operation of nuclear reactors, maintaining regulatory compliance, and protecting public and environmental safety.

What are some common challenges faced by nuclear power reactor operators during a typical shift?

Nuclear Power Reactor Operators often encounter challenges such as managing unexpected equipment malfunctions, responding quickly to alarms, and maintaining strict adherence to safety protocols under pressure. They must remain vigilant during long shifts, closely monitor multiple systems, and communicate effectively with engineers and other team members. These challenges require strong problem-solving skills and the ability to stay calm and focused to ensure the reactor operates safely and efficiently.

What is the difference between Nuclear Power Reactor Operator vs Nuclear Power Plant Technician?

AspectNuclear Power Reactor OperatorNuclear Power Plant Technician
CredentialsLicensing, training, and certification specific to reactor operationTechnical certifications, often in electrical, mechanical, or nuclear systems
Work EnvironmentControl room, reactor areas, safety monitoringEquipment maintenance, inspections, and troubleshooting in plant areas
Employer & IndustryPower plants, energy sector, regulated by nuclear authoritiesPower plants, maintenance firms, nuclear industry

While both roles work within nuclear power plants, Nuclear Power Reactor Operators focus on controlling and monitoring reactor systems, ensuring safe operation. Nuclear Power Plant Technicians handle maintenance, repairs, and technical support. Both require specialized training and certifications, but their daily tasks and responsibilities differ significantly.

How do you become a nuclear power reactor operator?

To become a nuclear power reactor operator, candidates typically need a high school diploma or equivalent, followed by specialized training and certification from the Nuclear Regulatory Commission (NRC). Most operators start as trainees or in related roles, gaining experience and passing licensing exams that test knowledge of reactor systems, safety procedures, and regulations.

How much do nuclear power reactor operators get paid?

Nuclear power reactor operators typically earn a median annual salary of around $100,000, with salaries varying based on experience, location, and certifications. They often work in shifts and require specialized training and licensing to operate nuclear reactors safely.

What are popular job titles related to Nuclear Power Reactor Operator jobs in Missouri?

For Nuclear Power Reactor Operator jobs in Missouri, the most frequently searched job titles are:

What job categories do people searching Nuclear Power Reactor Operator jobs in Missouri look for?

The top searched job categories for Nuclear Power Reactor Operator jobs in Missouri are:

Nuclear Power Reactor Operator jobs near you
Infographic showing various Nuclear Power Reactor Operator job openings in Missouri as of August 2026, with employment types broken down into 100% Full Time. Highlights an 100% In-person job distribution, with an average salary of $19,964 per year, or $9.6 per hour.

Senior Reactor Operator

Steedman, MO

AMS Ameren Services
See more jobs at AMS Ameren Servicesexternal

$105K - $162K/yr

Full-time

Medical, Retirement, PTO

Re-posted 13 days ago

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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