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Assistant Mechanical Engineer Nuclear Jobs (NOW HIRING)

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

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 ...

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Assistant Mechanical Engineer Nuclear information

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$33K

$88.8K

$134.5K

How much do assistant mechanical engineer nuclear jobs pay per year?

As of Aug 15, 2026, the average yearly pay for assistant mechanical engineer nuclear in the United States is $88,754.00, according to ZipRecruiter salary data. Most workers in this role earn between $70,500.00 and $104,500.00 per year, depending on experience, location, and employer.

What does an assistant mechanical engineer nuclear do?

An Assistant Mechanical Engineer Nuclear supports senior engineers in designing, maintaining, and troubleshooting mechanical systems within nuclear power plants or facilities. Their responsibilities often include assisting with equipment installation, conducting safety inspections, preparing technical reports, and ensuring compliance with safety regulations. They also help in the analysis of system performance and contribute to ongoing projects that improve plant efficiency and safety. This role is crucial for the safe and reliable operation of nuclear facilities, providing technical support and hands-on assistance as part of a larger engineering team.

What are some common challenges faced by assistant mechanical engineers in nuclear facilities, and how can they be addressed?

Assistant Mechanical Engineers in nuclear facilities often encounter challenges such as adhering to strict safety protocols, working with highly regulated equipment, and ensuring compliance with both internal and external standards. These challenges require strong attention to detail, effective communication with multidisciplinary teams, and a commitment to continuous learning. Building expertise through on-the-job training and seeking mentorship from experienced engineers can help address these hurdles and contribute to a successful career in the nuclear sector.

What are the key skills and qualifications needed to thrive as an assistant mechanical engineer nuclear, and why are they important?

To thrive as an Assistant Mechanical Engineer Nuclear, you need a solid background in mechanical engineering principles, nuclear safety protocols, and a relevant engineering degree, often supported by EIT or FE certification. Familiarity with industry-standard CAD software, thermal-hydraulic analysis tools, and nuclear regulatory compliance systems is essential. Strong analytical thinking, attention to detail, and effective teamwork skills are highly valued in this role. These competencies ensure the safe, efficient, and compliant operation and maintenance of nuclear facilities.

What is the difference between Assistant Mechanical Engineer Nuclear vs Mechanical Engineer Nuclear?

AspectAssistant Mechanical Engineer NuclearMechanical Engineer Nuclear
QualificationsBachelor's in Mechanical Engineering, often with internship experienceBachelor's or higher in Mechanical Engineering, with more experience or specialization
Work EnvironmentSupport roles in nuclear power plants, research facilities, or manufacturingDesign, analysis, and oversight in nuclear plant operations and projects
ResponsibilitiesAssisting in maintenance, inspections, and technical supportLeading projects, performing detailed analyses, and ensuring safety compliance

The main difference lies in experience and responsibility level. Assistant Mechanical Engineers Nuclear support senior engineers and focus on assisting with technical tasks, while Mechanical Engineers Nuclear take on more independent roles, project leadership, and complex analysis within the nuclear industry.

What cities are hiring for Assistant Mechanical Engineer Nuclear jobs?

Cities with the most Assistant Mechanical Engineer Nuclear job openings:

What are the most commonly searched types of Mechanical Engineer Nuclear jobs?

The most popular types of Mechanical Engineer Nuclear jobs are:

What states have the most Assistant Mechanical Engineer Nuclear jobs?

States with the most job openings for Assistant Mechanical Engineer Nuclear jobs include:

Assistant Mechanical Engineer Nuclear jobs near you

Mechanical Engineer (Nuclear Facilities Engineer)

HiFyve

Los Alamos, NM • On-site

$125K - $245K/yr

Full-time

Re-posted 15 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