Senior Mechanical Engineer

Naval Nuclear Laboratory (FMP)

West Mifflin (Allegheny County)

On-site

USD 95,700 - 149,600

Full time

14 days+
Application generator

Stand out for this role — generate a tailored resume and cover letter in about a minute.

Get past ATS filters

Benefits offered by this job

Health, Dental, Vision & Voluntary Benefits
401(k) Savings program
Tuition Assistance
Flexible Work Schedules
Paid Parental Leave

Job summary

A national asset in nuclear propulsion seeks an experienced engineer to join the Reactor Mechanical Design team. This role involves applying finite element analysis to address complex engineering challenges for naval reactors and aircraft carriers. Candidates should have a degree in engineering or science and relevant experience. The position offers competitive pay, a collaborative work environment, and comprehensive benefits, including health coverage and flexible schedules.

Qualifications

  • Bachelor's degree and 6 years of experience; or master's and 4 years; or doctorate and 1 year.
  • Currently a Senior Reactor Training Engineer, Refueling Engineer, or Field Engineer at the company.

Responsibilities

  • Apply expertise in finite element analysis for reactor core design.
  • Solve complex manufacturing problems for naval reactors.
  • Support fleet operational readiness and address emergent issues.

Skills

Proficiency using FEA tools such as ANSYS
Strong analytical skills
Familiarity with programming languages like Python
Excellent problem-solving skills
Effective written and verbal communication skills
Ability to work independently and collaboratively
Knowledge of reactor core design

Education

Bachelor's degree in a related field
Master's degree in a related field
Doctorate degree in a related field

Tools

ANSYS
ABAQUS
Python
Linux

Job description

Working at the Naval Nuclear Laboratory we foster pride in belonging to an organization whose culture is made up of these core values: Trust, Empowerment, and Collaboration. Our company promotes a positive culture while ensuring the safety and reliability of our nation's naval nuclear reactors, and training the Sailors who operate those reactors in the U.S. Navy's submarines and aircraft carrier Fleets. Looking for a lifetime career? Apply today!

Job Description

Ready for your next challenge? Join a dynamic and collaborative team in Reactor Mechanical Design, where you'll apply your expertise in finite element analysis to support the design and analysis of reactor core and heavy equipment components for FORD and NIMITZ-class aircraft carriers, SEAWOLF-class submarines and operating prototype reactors. You'll have the opportunity to tackle cutting‑edge technical challenges, use plant data to inform analyses, solve complex manufacturing problems, and address challenges related to spent fuel processing for various reactor cores. Our highly functional team also plays a critical role in directly supporting the fleet by addressing emergent issues and ensuring the operational readiness of naval platforms. This position offers a unique opportunity to work on critical, real‑world engineering challenges while contributing to the success of the Naval Nuclear Propulsion Program.

Required Combination Of Knowledge And Skill

Bachelors degree from an accredited college or university in a related technical, engineering or science field and a minimum of 6 years of relevant experience; or Masters degree from an accredited college or university in a related technical, engineering or science field and a minimum of 4 years of relevant experience; or Doctorate degree from an accredited college or university in a related technical, engineering or science field and a minimum of 1 year of relevant experience; or Currently a Senior Reactor Training Engineer, Refueling Engineer, or Field (RPCO) Engineer at the Company.

Preferred Skills
  • Demonstrated proficiency using FEA tools such as ANSYS, ABAQUS, or equivalent for solving complex, real‑world mechanical design problems.
  • Strong analytical skills with experience translating physical systems into robust computational models, including structural, thermal, and/or coupled analyses.
  • Familiarity with modern programming languages (e.g. Python), Linux-based operating systems and high-performance computing systems.
  • Excellent problem‑solving skills and an ability to diagnose and resolve emergent technical challenges in real‑time.
  • Effective written and verbal communication skills, with experience presenting technical information to a variety of stakeholders.
  • Ability to work both independently and collaboratively in high-performing teams, with a strong commitment to teamwork and innovation.
  • Knowledge of reactor core design, naval systems, or experience supporting large‑scale systems is a plus but not required.
Compensation And Benefits
  • Health, Dental, Vision & Voluntary Benefits
  • Disability, Life & Accident Insurance
  • 401(k) Savings program & Capital Accumulation Plan
  • Personal & Medical Time Off
  • Paid Parental Leave
  • Flexible Work Schedules
  • Tuition Assistance for Eligible Employees
  • Student Debt Benefit Personal Time Off Sell Program
  • Employee Assistance Program (EAP)
  • Wellness Program
  • Visit us online to view all NNL benefits!
Pay Range

$95,700.00 - $149,600.00 annually

Salary information provided is a general guideline only. Annual salary is based upon candidate experience and qualifications, as well as market and business considerations.

The Naval Nuclear Laboratory is operated for the U.S. Department of Energy (DOE) by Fluor Marine Propulsion, LLC (FMP), a wholly owned subsidiary of Fluor Corporation. Naval Nuclear Laboratory personnel are FMP employees who work at four DOE facilities: Bettis Atomic Power Laboratory, Knolls Atomic Power Laboratory, Kenneth A. Kesselring Site, and Naval Reactors Facility, and at the U.S. Department of Defense-owned Nuclear Power Training Unit-Charleston. FMP employees also have an established presence at numerous shipyards and vendor locations. For nearly 70 years, the Naval Nuclear Laboratory has developed advanced nuclear propulsion technology, provided technical support, and trained world‑class nuclear operators to ensure the safe and reliable operation of our nation's submarine and aircraft carrier Fleets. The Naval Nuclear Laboratory is a national asset solely dedicated to the Naval Nuclear Propulsion Program. We rely on the dedication and innovation of our nearly 8000 engineers, scientists, technicians, and support personnel.

All candidates must be U.S. citizens. Applicants selected will be subject to a Federal background investigation and must meet eligibility requirements for access to classified matter. FMP is a government contractor and maintains a drug free workplace and workforce. All candidates must be able to pass a drug test in compliance with FMP company policy and 10 CFR 707. Marijuana is a Federal Schedule I controlled substance and illegal under Federal Law. Therefore, FMP is required to test for marijuana.

Fluor Marine Propulsion, LLC is an Equal Opportunity Employer, including disability/vets. All qualified applicants will receive consideration for employment without regard to race, color, age, sex, religion, national origin, disability, veteran status, genetic information, or any other criteria protected by federal, state, or local law.

Get your free, confidential resume review.

or drag and drop your file here.

Similar jobs

Similar jobs worth comparing

Mechanical Engineer, Associate (Entry Level)
Mechanical Engineer, Associate (Entry Level)

Naval Nuclear Laboratory (FMP) • West Mifflin

On-site
USD 64,000 - 98,000
Health, Dental, Vision & Voluntary
Disability, Life & Accident Insurance
401(k) Savings plan
+5
Experienced Engineer
Experienced Engineer

Naval Nuclear Laboratory • Town of Niskayuna (NY)

On-site
USD 106,000 - 166,000
Health, Dental, Vision & Voluntary Ben
Disability, Life & Accident Insurance
401(k) Savings program & Capital Accum
Advanced Mechanical Engineer
Advanced Mechanical Engineer

Naval Nuclear Laboratory • West Mifflin

On-site
USD 86,000 - 135,000
Health, Dental, Vision & Voluntary ben
Disability, Life & Accident Insurance
401(k) Savings & CAP
+6
Mechanical Engineer, Senior
Mechanical Engineer, Senior

Naval Nuclear Laboratory (FMP) • Town of Niskayuna (NY)

On-site
USD 96,000 - 150,000
Health, Dental, Vision & Voluntary BR
401(k) Savings program & Capital Accum
Paid Time Off
+5
Senior Mechanical Engineer
Senior Mechanical Engineer

Naval Nuclear Laboratory (FMP) • Idaho Falls (ID)

On-site
USD 96,000 - 150,000
Health, Dental, Vision & Voluntary Ben
401(k) Savings program
Personal Time Off
+3
Nuclear Engineer (Reactor Protection/Plant Analysis), Associate (Entry Level)
Nuclear Engineer (Reactor Protection/Plant Analysis), Associate (Entry Level)

Naval Nuclear Laboratory (FMP) • West Mifflin

On-site
USD 64,000 - 98,000
Health, Dental, Vision & Voluntary
401(k) Savings program
Tuition Assistance
+4
Computer Engineer or Electrical Engineer
Computer Engineer or Electrical Engineer

Naval Nuclear Laboratory • West Mifflin

On-site
USD 86,000 - 135,000
Health, Dental, Vision & Voluntary
401(k) Savings plan
Paid Time Off
+1
Mechanical Engineer, Advanced
Mechanical Engineer, Advanced

Naval Nuclear Laboratory • West Mifflin

On-site
USD 86,000 - 135,000
Health/Dental/Vision & Voluntary Ben.
401(k) Savings program
Paid Time Off
+4
Mechanical Engineer, Senior
Mechanical Engineer, Senior

Naval Nuclear Laboratory • Town of Niskayuna (NY)

On-site
USD 96,000 - 150,000
Health insurance
401(k) Savings program
Paid time off
+1
Senior Civil Engineer
Senior Civil Engineer

Naval Nuclear Laboratory (FMP) • Town of Niskayuna (NY)

On-site
USD 94,800 - 148,200
Health, Dental, Vision Benefits
401(k) Savings Program
Tuition Assistance