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Nuclear Systems Engineer Jobs in Missouri (NOW HIRING)

Jobgether

$69 - $115/hr

  • Medical

  • Dental

  • Vision

In this role, you will lead the mechanical design of complex fuel handling systems while ... If you are passionate about nuclear engineering and complex mechanical system design, this role ...

Jobgether

  • Medical

  • Dental

  • Vision

Experience supporting integrated plant design for nuclear systems, complex facilities, or similarly challenging engineering environments is highly desirable. * Experience developing or approving ...

US Navy

Nuclear Engineer

Lathrop, MO

$83K - $99K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

Job Title: Nuclear Engineer (Naval Reactors Engineer) Category / Component: Officer • Active ... Key Responsibilities Provide technical direction in areas such as reactor and fluid systems design ...

US Navy

Nuclear Engineer

Hayti, MO

$79K - $94K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

Job Title: Nuclear Engineer (Naval Reactors Engineer) Category / Component: Officer • Active ... Key Responsibilities Provide technical direction in areas such as reactor and fluid systems design ...

US Navy

Nuclear Engineer

Billings, MO

$94K - $113K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

Job Title: Nuclear Engineer (Naval Reactors Engineer) Category / Component: Officer • Active ... Key Responsibilities Provide technical direction in areas such as reactor and fluid systems design ...

US Navy

Nuclear Engineer

Marceline, MO

$77K - $92K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

Job Title: Nuclear Engineer (Naval Reactors Engineer) Category / Component: Officer • Active ... Key Responsibilities Provide technical direction in areas such as reactor and fluid systems design ...

US Navy

Nuclear Engineer

Potosi, MO

$85K - $102K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

Job Title: Nuclear Engineer (Naval Reactors Engineer) Category / Component: Officer • Active ... Key Responsibilities Provide technical direction in areas such as reactor and fluid systems design ...

US Navy

Nuclear Engineer

Jonesburg, MO

$90K - $107K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

Job Title: Nuclear Engineer (Naval Reactors Engineer) Category / Component: Officer • Active ... Key Responsibilities Provide technical direction in areas such as reactor and fluid systems design ...

US Navy

Nuclear Engineer

Lancaster, MO

$82K - $98K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

Job Title: Nuclear Engineer (Naval Reactors Engineer) Category / Component: Officer • Active ... Key Responsibilities Provide technical direction in areas such as reactor and fluid systems design ...

US Navy

Nuclear Engineer

Lexington, MO

$87K - $105K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

Job Title: Nuclear Engineer (Naval Reactors Engineer) Category / Component: Officer • Active ... Key Responsibilities Provide technical direction in areas such as reactor and fluid systems design ...

US Navy

Nuclear Engineer

Bowling Green, MO

$84K - $101K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

Job Title: Nuclear Engineer (Naval Reactors Engineer) Category / Component: Officer • Active ... Key Responsibilities Provide technical direction in areas such as reactor and fluid systems design ...

US Navy

Nuclear Engineer

Gainesville, MO

$94K - $113K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

Job Title: Nuclear Engineer (Naval Reactors Engineer) Category / Component: Officer • Active ... Key Responsibilities Provide technical direction in areas such as reactor and fluid systems design ...

US Navy

Nuclear Engineer

Pagedale, MO

$86K - $103K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

Job Title: Nuclear Engineer (Naval Reactors Engineer) Category / Component: Officer • Active ... Key Responsibilities Provide technical direction in areas such as reactor and fluid systems design ...

US Navy

Nuclear Engineer

Parkville, MO

$95K - $114K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

Job Title: Nuclear Engineer (Naval Reactors Engineer) Category / Component: Officer • Active ... Key Responsibilities Provide technical direction in areas such as reactor and fluid systems design ...

US Navy

Nuclear Engineer

Pineville, MO

$86K - $104K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

Job Title: Nuclear Engineer (Naval Reactors Engineer) Category / Component: Officer • Active ... Key Responsibilities Provide technical direction in areas such as reactor and fluid systems design ...

US Navy

Nuclear Engineer

Overland, MO

$92K - $110K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

Job Title: Nuclear Engineer (Naval Reactors Engineer) Category / Component: Officer • Active ... Key Responsibilities Provide technical direction in areas such as reactor and fluid systems design ...

US Navy

Nuclear Engineer

Lemay, MO

$92K - $110K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

Job Title: Nuclear Engineer (Naval Reactors Engineer) Category / Component: Officer • Active ... Key Responsibilities Provide technical direction in areas such as reactor and fluid systems design ...

US Navy

Nuclear Engineer

Portageville, MO

$81K - $97K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

Job Title: Nuclear Engineer (Naval Reactors Engineer) Category / Component: Officer • Active ... Key Responsibilities Provide technical direction in areas such as reactor and fluid systems design ...

US Navy

Nuclear Engineer

Florissant, MO

$90K - $108K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

Job Title: Nuclear Engineer (Naval Reactors Engineer) Category / Component: Officer • Active ... Key Responsibilities Provide technical direction in areas such as reactor and fluid systems design ...

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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 16, 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, 88% Full Time, 7% Part Time, 3% Contract, and 1% Nights. Highlights an 89% Physical, 3% Hybrid, and 8% Remote job distribution, with an average salary of $99,048 per year, or $47.6 per hour.

Senior Fuel Handling System Design Engineer (Nuclear)

Jobgether

On-site, Remote

$69 - $115/hr

Contractor

Medical, Dental, Vision

Posted 10 days ago

Job description

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior Fuel Handling System Design Engineer (Nuclear) based in Netherlands.

This is an exciting opportunity to contribute to the design of advanced nuclear energy systems that support the next generation of clean power solutions. In this role, you will lead the mechanical design of complex fuel handling systems while collaborating with multidisciplinary engineering teams to deliver innovative, safe, and compliant reactor technologies. You will play a key role throughout the entire design lifecycle, from concept development to system qualification and licensing support. The position offers exposure to cutting-edge engineering challenges in a highly technical, collaborative environment where precision, innovation, and regulatory excellence are essential. If you are passionate about nuclear engineering and complex mechanical system design, this role offers the chance to make a meaningful impact on the future of energy.

Accountabilities:

As a Senior Fuel Handling System Design Engineer, you will lead the design and integration of nuclear fuel handling systems while ensuring technical excellence, regulatory compliance, and successful collaboration across multiple engineering disciplines. You will oversee system development, provide technical guidance, and support testing and licensing activities throughout the project lifecycle.

  • Design nuclear fuel handling systems and subsystems from concept development through final engineering design.
  • Coordinate and integrate engineering analyses, including thermal, seismic, structural, piping stress, and heat transfer evaluations.
  • Develop and review Finite Element Analysis (FEA) and Computational Fluid Dynamics (CFD) models to support conceptual and detailed designs.
  • Provide technical leadership on thermal, fluid, mechanical, and process design requirements.
  • Apply applicable engineering codes and standards, including ASME, ANS, ASTM, IEEE, NFPA, and other regulatory requirements.
  • Develop and maintain engineering specifications, system requirements, and technical documentation.
  • Create and manage engineering drawing packages, including P&IDs, 3D models, interface drawings, and design reports.
  • Collaborate with multidisciplinary engineering teams to ensure seamless integration across mechanical, civil, controls, and nuclear disciplines.
  • Provide technical oversight for suppliers, review deliverables, and support contractor coordination.
  • Plan and support system qualification testing, evaluate test results, and document findings.
  • Contribute to licensing activities by supporting safety analysis documentation and design reviews.
  • Maintain project schedules while ensuring high-quality engineering deliverables.
Requirements:

The ideal candidate is an experienced mechanical engineer with a strong background in nuclear systems design, exceptional analytical skills, and the ability to lead complex engineering efforts within highly regulated environments.

  • Bachelor's degree in Mechanical Engineering or a related engineering discipline from an accredited institution.
  • 5+ years of experience designing complex mechanical systems, preferably within the nuclear industry.
  • Proven experience designing nuclear fuel handling systems, nuclear process systems, or comparable high-performance mechanical equipment.
  • Strong understanding of multidisciplinary engineering integration and complex plant system design.
  • Experience developing and reviewing FEA and CFD models.
  • Familiarity with nuclear engineering codes, standards, and quality programs such as ASME NQA-1 or ISO 9001.
  • Experience creating engineering documentation, specifications, interface documents, and design packages.
  • Ability to coordinate multiple engineering activities while balancing competing technical priorities.
  • Strong technical writing, presentation, and communication skills.
  • Demonstrated leadership, problem-solving abilities, and attention to detail.
  • Self-motivated with the ability to lead projects and collaborate effectively across engineering teams.
  • High level of integrity, professionalism, and commitment to engineering excellence.
Benefits:
  • Competitive hourly compensation ranging from $69 to $115 per hour, depending on experience and qualifications.
  • Remote work opportunity.
  • Comprehensive medical, dental, and vision insurance for eligible full-time employees.
  • Opportunity to contribute to cutting-edge advanced nuclear reactor development.
  • Collaborative environment with highly skilled engineers and scientists.
  • Exposure to innovative, technically challenging engineering projects.
  • Professional growth opportunities within advanced nuclear technology programs.
How Jobgether works:
We use an AI-powered matching process to ensure your application is reviewed quickly, objectively, and fairly against the role's core requirements. Our system identifies the top-fitting candidates, and this shortlist is then shared directly with the hiring company. The final decision and next steps (interviews, assessments) are managed by their internal team.
We appreciate your interest and wish you the best!
 Why Apply Through Jobgether? 
 
Data Privacy Notice: By submitting your application, you acknowledge that Jobgether will process your personal data to evaluate your candidacy and share relevant information with the hiring employer. This processing is based on legitimate interest and pre-contractual measures under applicable data protection laws (including GDPR). You may exercise your rights (access, rectification, erasure, objection) at any time.
 
 
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