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Mechanical Engineer Nuclear Jobs (NOW HIRING)

Emerson

Mechanical Engineer, Nuclear

Mansfield, MA

$90K/yr

... for nuclear power plants as well as valves for US Navy submarines and aircraft carriers. Safety and quality are paramount and as the mechanical engineer you will work on a variety of tasks from ...

Emerson

Mechanical Engineer, Nuclear

Mansfield, MA · On-site

$90K - $115K/yr

... for nuclear power plants as well as valves for US Navy submarines and aircraft carriers. Safety and quality are paramount and as the mechanical engineer you will work on a variety of tasks from ...

Emerson

Mechanical Engineer, Nuclear

Mansfield, MA · On-site

$90K/yr

... for nuclear power plants as well as valves for US Navy submarines and aircraft carriers. Safety and quality are paramount and as the mechanical engineer you will work on a variety of tasks from ...

Emerson Group

Mechanical Engineer, Nuclear

Mansfield, MA · On-site

$90K/yr

... for nuclear power plants as well as valves for US Navy submarines and aircraft carriers. Safety and quality are paramount and as the mechanical engineer you will work on a variety of tasks from ...

PSEG

Principal Mechanical Engineer

Hancocks Bridge, NJ · On-site

PRINCIPAL MECHANICAL ENGINEER - NUCLEAR Job Summary The Principal Nuclear Engineer- Mechanical in Engineering Services provides governance and oversight for multiple mechanical component activities ...

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Mechanical Engineer Nuclear information

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$45.5K

$102.9K

$166.5K

How much do mechanical engineer nuclear jobs pay per year?

As of Aug 13, 2026, the average yearly pay for mechanical engineer nuclear in the United States is $102,878.00, according to ZipRecruiter salary data. Most workers in this role earn between $81,500.00 and $126,500.00 per year, depending on experience, location, and employer.

What are typical daily responsibilities for a mechanical engineer nuclear?

Mechanical Engineer Nuclear professionals frequently engage in designing, evaluating, and maintaining mechanical systems within nuclear facilities, such as reactors, cooling systems, and pressure vessels. Their daily tasks may include performing safety analyses, preparing technical reports, collaborating with multidisciplinary teams (including electrical engineers and safety specialists), and ensuring compliance with regulatory standards. The work environment can range from office-based design work to on-site inspections and troubleshooting. These engineers play a crucial role in preventing mechanical failures and ensuring operational safety, making their contributions vital to the ongoing success and safety of nuclear power operations.

What does a mechanical engineer nuclear do?

A Mechanical Engineer Nuclear designs, analyzes, and maintains mechanical systems used in nuclear power plants and other nuclear facilities. They work on components such as heat exchangers, reactors, turbines, and piping systems to ensure efficiency, safety, and regulatory compliance. Their role involves performing structural and thermal analysis, troubleshooting equipment issues, and improving system performance. They also collaborate with other engineers and regulatory bodies to uphold nuclear safety standards.

What are the key skills and qualifications needed to thrive in the mechanical engineer nuclear position, and why are they important?

Mechanical Engineer Nuclear roles require a strong background in mechanical engineering principles, thermodynamics, and materials science, usually supported by a bachelor's or master's degree in mechanical engineering and relevant nuclear experience. Familiarity with industry-standard CAD software, nuclear codes and regulations (like ASME and NRC), and often professional licensure such as a PE or FE is critical. Standout candidates demonstrate analytical thinking, meticulous attention to detail, and robust teamwork and communication abilities. These skills collectively ensure safety, compliance, and reliability in the highly regulated and technical nuclear engineering environment.

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Mechanical Engineer Nuclear jobs near you
Infographic showing various Mechanical Engineer Nuclear job openings in the United States as of August 2026, with employment types broken down into 90% Full Time, 7% Part Time, 2% Contract, and 1% Nights. Highlights an 97% Physical, 1% Hybrid, and 2% Remote job distribution, with an average salary of $102,878 per year, or $49.5 per hour.

Mechanical Engineer (Nuclear Facilities Engineer)

HiFyve

Los Alamos, NM

$125K - $245K/yr

Full-time

Re-posted 13 days ago

Job description

HiFye is hiring multiple Mechanical Engineers (Nuclear Facilities Engineer Level 3 OR 4)


Nuclear Facilities Engineer (Level 3 / Level 4)


Salary:

  • Level 3: $125K – $210K
  • Level 4: $140K – $245K


Benefits: Full package + Full Relocation


Clearance: Ability to obtain and maintain required clearance


This role may be filled at either the Nuclear Facilities Engineer 3 or 4 level, depending on experience.


Support a critical national security mission by providing nuclear facility engineering for Hazard Category nuclear facilities. This role applies DOE Orders, nuclear safety requirements, and national codes to ensure safe, compliant, and reliable facility systems. Engineers work across system, design, project, and safety functions in close coordination with operations, maintenance, and project teams.


Key Responsibilities

  • Perform system, design, and project engineering for nuclear facilities
  • Support facility safety systems, operations equipment, and acceptance testing
  • Apply DOE Orders, nuclear safety requirements, and consensus codes
  • Develop engineering analyses, calculations, and technical documentation
  • Collaborate with operations, maintenance, and project management teams
  • Support continuous improvement of engineering processes


Level 4 Additional Responsibilities:

  • Lead technical efforts and mentor engineers
  • Provide design authority and peer review
  • Deliver integrated, multi-discipline engineering solutions


Minimum Qualifications

  • Bachelor’s degree in Engineering (ABET-accredited)
  • Level 3: 6+ years relevant experience
  • Level 4: 12+ years relevant experience
  • Experience with facility-related systems (HVAC, compressed air, power systems, or similar)
  • Experience applying codes and standards in regulated environments
  • Strong analytical, communication, and teamwork skills


Preferred Qualifications

  • Experience supporting DOE or non-reactor nuclear facilities
  • Experience with safety basis, critical systems, or Vital Safety Systems
  • Advanced engineering degree or Professional Engineer (PE) license
  • Experience working under NQA-1 or similar quality programs


If you are interested, please reach out directly to leslie.botkin@hifyve.com or apply here.


Due to the nature of the business all candidates must be a US Citizen.

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About HiFyve

Sourced by ZipRecruiter

Industry

Recruiting and staffing services

Company size

11 - 50 Employees

Headquarters location

Springfield, MO, US

Year founded

2022

View All HiFyve Jobs