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Nuclear Systems Engineer Jobs in Missouri (NOW HIRING)

AMS Ameren Services

Mechanical Engineer

Steedman, MO · On-site

About the Callaway Energy Center The Callaway Energy Center is a nuclear facility located in mid ... Trend and monitor system and equipment health and performance, through operational data, visual ...

watlow

Manager, Quality Systems

Saint Louis, MO · On-site

ENGINEERING MANAGER - QUALITY Watlow is a global technology and manufacturing leader who provides ... in the medical, nuclear, semiconductor, food, energy and transportation industries. This ...

Watlow

Manager, Quality Systems

Saint Louis, MO · On-site

ENGINEERING MANAGER - QUALITY Watlow is a global technology and manufacturing leader who provides ... Semi-conductor/Medical/Nuclear/Automotive experience * Six Sigma Black Belt certification highly ...

Ameren Services

Engineer

Saint Louis, MO · On-site

$71K - $215K/yr

This position has primary responsibility for supporting Missouri Regulated Generation Non-Nuclear ... Upon assignment, perform detailed system and existing equipment surveillance, and review ...

AMS Ameren Services

Engineer

Saint Louis, MO · On-site

$71K - $215K/yr

This position has primary responsibility for supporting Missouri Regulated Generation Non-Nuclear ... Upon assignment, perform detailed system and existing equipment surveillance, and review ...

New

University of Missouri

Engineer IV

Columbia, MO · On-site

$110K - $130K/yr

This position serves as the lead engineering resource for building systems, driving system ... nuclear, or highly regulated facilities. • Demonstrated expertise with building and utility ...

ORAU

Software Engineer II

Kansas City, MO · Hybrid

$95K - $130K/yr

Department of Energy/National Nuclear Security Administration's (NNSA) Kansas City National ... Analyzes existing information systems and applications to identify weaknesses and develop ...

ORAU

Software Engineer II

Kansas City, MO · On-site

$95K - $130K/yr

Department of Energy/National Nuclear Security Administration's (NNSA) Kansas City National ... Analyzes existing information systems and applications to identify weaknesses and develop ...

ORAU

Software Engineer II

Kansas City, MO · Hybrid

$95K - $130K/yr

Department of Energy/National Nuclear Security Administration's (NNSA) Kansas City National ... Analyzes existing information systems and applications to identify weaknesses and develop ...

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All JobsNuclear Systems Engineer JobsNuclear Systems Engineer Jobs in Missouri

Nuclear Systems Engineer information

See Missouri salary details

$24.4K

$99K

$140.7K

How much do nuclear systems engineer jobs pay per year?

As of Aug 31, 2026, the average yearly pay for nuclear systems engineer in Missouri is $99,048.00, according to ZipRecruiter salary data. Most workers in this role earn between $92,400.00 and $110,700.00 per year, depending on experience, location, and employer.

What does a nuclear systems engineer do?

A Nuclear Systems Engineer is responsible for designing, developing, operating, and maintaining nuclear systems and equipment, such as reactors, power plants, and nuclear fuel cycles. They ensure that these systems operate safely, efficiently, and within regulatory standards. Their work often involves analyzing system performance, troubleshooting issues, implementing safety protocols, and working closely with other engineers and regulatory agencies. Nuclear Systems Engineers play a critical role in both energy production and the safe management of nuclear materials.

What are the key skills and qualifications needed to thrive as a nuclear systems engineer, and why are they important?

To thrive as a Nuclear Systems Engineer, you need a strong background in nuclear engineering principles, physics, and mathematics, typically supported by a relevant engineering degree. Familiarity with industry-standard simulation software, safety analysis tools, and certifications like Fundamentals of Engineering (FE) or Professional Engineer (PE) are often required. Exceptional problem-solving, attention to detail, and strong communication skills help you effectively collaborate with multidisciplinary teams and ensure regulatory compliance. These skills and qualifications are crucial for maintaining safety, efficiency, and reliability in complex nuclear systems.

What are some common collaboration points between nuclear systems engineers and other departments within a nuclear facility?

Nuclear Systems Engineers frequently work alongside operations, maintenance, and safety teams to ensure the reliable and safe performance of nuclear systems. They often collaborate with reactor operators to troubleshoot system anomalies, coordinate with safety analysts to verify compliance with regulations, and work with maintenance staff during planned outages or upgrades. This cross-functional teamwork is essential for optimizing plant performance, addressing technical challenges, and ensuring all systems adhere to strict safety standards. Strong communication and documentation skills are therefore highly valued in this role.

What is the difference between Nuclear Systems Engineer vs Nuclear Reactor Operator?

AspectNuclear Systems EngineerNuclear Reactor Operator
CredentialsEngineering degree, certifications in nuclear engineeringReactor operator license, training certifications
Work EnvironmentDesign, develop, and maintain nuclear systems in labs or plantsOperate and monitor nuclear reactors in power plants
Industry UsageUsed in engineering firms, research facilities, and power plantsPrimarily employed in nuclear power plants

While both roles work within the nuclear industry, Nuclear Systems Engineers focus on designing and maintaining nuclear systems, whereas Nuclear Reactor Operators are responsible for the day-to-day operation and safety of nuclear reactors. Their credentials, work environments, and industry applications differ, but both are essential for nuclear plant safety and efficiency.

What are popular job titles related to Nuclear Systems Engineer jobs in Missouri?

For Nuclear Systems Engineer jobs in Missouri, the most frequently searched job titles are:

What job categories do people searching Nuclear Systems Engineer jobs in Missouri look for?

The top searched job categories for Nuclear Systems Engineer jobs in Missouri are:

Nuclear Systems Engineer jobs near you
Infographic showing various Nuclear Systems Engineer job openings in Missouri as of August 2026, with employment types broken down into 1% As Needed, 82% Full Time, 11% Part Time, 5% Contract, and 1% Nights. Highlights an 88% Physical, 2% Hybrid, and 10% Remote job distribution, with an average salary of $99,048 per year, or $47.6 per hour.

Mechanical Engineer - Nuclear (Multiple Locations)

Kansas City, MO

Burns & McDonnell
Civil Engineering Construction • 10K+ employees

8.7

Company rating: 8.7 out of 10

Based on 50 frontline employees who took The Breakroom Quiz

3rd of 80 rated construction

Great coworkers

People enjoy working here

Good employer

Learn more about Burns & McDonnellexternal

Full-time

Re-posted 17 days ago

Job description

Burns & McDonnell's Power Global Practice is seeking to hire experienced mechanical engineers to our Nuclear team focusing on both operating Nuclear Power Plants and new nuclear power projects, including Small Modular Reactors (SMRs), microreactors and Advanced Reactors. Our Nuclear team has domestic and international experience providing consulting, design, analysis, and pre-construction planning services for operating nuclear power plants, nuclear refurbishments, as well as new SMRs and advanced reactors. We deliver solutions for these and other challenging projects every day. 

As a mechanical engineer, you will serve as part of our design team with the ability to work on a full range of projects in engineering, procurement, and construction management related to the design, operation, maintenance, modification, and licensing of nuclear generating stations.

Responsibilities

  • Performs mechanical design of projects from the conceptual phase through design completion.
  • Modifies and reviews production drawings for a variety of power projects.
  • Designs mechanical systems and selects components for project needs and requirements that are set forth by the project managers.
  • Prepare mechanical equipment: packaged equipment specifications and data sheets, Request for Qualifications (RFQ's), technical bid summaries, and purchase recommendations.
  • Review mechanical equipment vendor drawings; data interface with suppliers, clients other engineering disciplines, detailers, and designers.
  • Applies strong knowledge of commonly used mechanical engineering/design concepts, principles, practices, codes, and procedures within the mechanical engineering services industry.
  • Researches and compiles project-related data as required by the project managers.
  • Quality reviews and updates production drawings for a variety of projects and project-related data as required by the project managers to verify corrections are made within multiple CAD-related software.
  • Quality reviews the construction administration including coordination with field personnel to resolve design-related installation issues, calculations, field inspections and testing of mechanical systems.
  • Compiles information for client presentations, shop drawing review, and contract administration for the design of power generating facilities.
  • Communicates with other disciplines (electrical, structural, civil) engineers for efficient project coordination.
  • Performs field inspections, measurements or calculations for public and private clients.
  • All other duties as assigned. 
  • Bachelor of Science in Mechanical Engineering or related degree from an ABET-accredited program.
  • May also have a Bachelor of Science in Mechanical or related Engineering Technology from an ABET-accredited program and successful completion of Fundamentals of Engineering (FE) exam.
  • Master of Science degree in Mechanical Engineering may be substituted for 1 year experience.
  • 3 years of mechanical engineering experience, consulting preferred.
  • Successful completion (i.e. passing) FE or EIT preferred.
  • Ability to be authorized for unescorted access at a U.S. nuclear power generating facility.
  • Experience with nuclear plant mechanical design, standard design process, plant modification packages, configuration management, and ASME NQA-1 (safety-related) requirements.
  • Strong knowledge in standard engineering techniques and procedures.
  • Excellent written and verbal communication skills.
  • Ability to work methodically and analytically in a quantitative problem-solving environment and demonstrated critical thinking skills.
  • Proficient in standard engineering techniques and procedures.
  • Strong computer skills (e.g. Microsoft Office Suite).
  • Strong computer skills include programs such as AutoCAD, 3D Rendering Programs, hydraulic analysis, or similar platforms.
  • Strong attention to detail, facilitation, team building, collaboration, organization and problem-solving skills. 
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About Burns & McDonnell

Sourced by ZipRecruiter

Burns & McDonnell assists clients of all sizes and industries by providing extensive physical services ranging from assessments, integrated security solutions, and large security architecture designs. Services we typically provide include security and safety system design, threat, risk, and vulnerability assessments, security surveys, security master planning, compliance to federal security programs, independent validation and verification of integrated security system operations, management of installation and maintenance, and staff augmentation to develop and implement facility management and protection processes.

Industry

Civil engineering construction

Company size

10,000+ Employees

Headquarters location

Kansas City, MO, US

Year founded

1898

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