Mechanical Engineer Jobs in Pennsylvania
Mechanical engineer jobs in Pennsylvania are consistently in demand, with strong hiring concentrated in aerospace and defense, energy and utilities, advanced manufacturing, and industrial automation across seniority levels from entry-level design roles through senior systems engineers. Philadelphia, Pittsburgh, and the Lehigh Valley are the primary hiring hubs, anchored by major employers such as Lockheed Martin, Siemens, and Air Products, all of which maintain significant engineering operations in the state. The most sought-after specialties in Pennsylvania include structural and thermal analysis, HVAC and building systems engineering, and propulsion or fluid systems work tied to the region's defense and energy sectors. Find a role that fits below and apply directly.
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- West Mifflin, PA, US
- Niskayuna, NY, US
- 2026-08-12 17:34:07
- Engineering & Science
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About Us
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
Join the team that will define how the next-generation battleship is powered and operated.
We are seeking a Propulsion Plant Integration Engineer to help bring a proven nuclear propulsion plant design into a new, first-of-a-kind battleship (BBGN). This is a hands-on, systems-level role where you'll work at the intersection of ship design, plant engineering, operations, and Navy decision-making.
The successful candidate will:
• Participate in conceptual studies to inform Navy decision-making on key propulsion plant features, tradeoffs, and risks.
• Support the integration of battleship specific systems into the propulsion plant
• Develop and refine concepts of operation for a single plant surface combatant
• Validate design compliance with surface combatant and platform requirements and identify and resolve non conformances
• Interface with the battleship Lead Design Yard, BPMI, and Navy representatives to align propulsion plant integration with ship design and fleet needs.
• Perform system analysis to evaluate the impacts of design decisions
• Coordinating with other engineering disciplines to ensure seamless propulsion plant integration into the overall ship design
This role is a good fit if you enjoy big-picture systems thinking, early design influence, and working across organizational and technical boundaries to bring a complex ship concept to life.
Required Combination of Knowledge and Skill
Bachelors degree from an accredited college or university in a related technical, engineering or science field; or Masters degree from an accredited college or university in a related technical, engineering or science field.
Preferred Skills
- Prior Navy experience with nuclear propulsion plant operations (ship or prototype)
- Background in submarine plant engineering or previous plant or prototype qualification
- Degree in Mechanical, Chemical, Naval Architecture/Marine, or Systems Engineering is preferred; other engineering degrees with relevant experience will be considered
- Demonstrated self starter with the ability to take an ambiguous task, structure the work, and drive it to closure.
- Strong organizational skills and ability to manage multiple parallel technical issues
- Good communication and technical writing skills, including the ability to clearly document analyses and present recommendations to both technical and non technical stakeholders
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
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.
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Where Pennsylvania roles are concentrated, by current openings.
Mechanical Engineer Job Market in Pennsylvania
A snapshot from current Pennsylvania openings, updated as new roles post.
Who's Hiring



Top Industries Hiring
- Consulting & Professional Services13
- Construction & Real Estate8
- Manufacturing6
- Electronics & Hardware4
- Energy3
What Pennsylvania Employers Look For
The qualifications that appear most often in mechanical engineer jobs across Pennsylvania.
- Bachelor's degree in mechanical engineering or a closely related engineering discipline required
- Professional Engineer license from the Pennsylvania State Registration Board preferred for senior roles
- Proficiency in CAD software such as SolidWorks, AutoCAD, or CATIA required
- Experience with finite element analysis, thermal modeling, or fluid dynamics simulation tools expected
- Familiarity with GD&T, ASME standards, and engineering drawing interpretation required
- Strong written and verbal communication skills for cross-functional project collaboration
Mechanical Engineer Jobs in Pennsylvania: Frequently Asked Questions
How do you become a mechanical engineer in Pennsylvania?
You become a mechanical engineer in Pennsylvania by earning a bachelor's degree in mechanical engineering from an ABET-accredited program, then gaining supervised engineering experience. For roles requiring licensure, the Pennsylvania State Registration Board for Professional Engineers, Land Surveyors and Geologists oversees the PE credential, which requires passing the Fundamentals of Engineering exam followed by the Principles and Practice of Engineering exam. Many positions in industry do not require a PE license, but having one is a strong advantage for roles involving public safety or independent engineering judgment.
How much do mechanical engineers make in Pennsylvania?
Mechanical engineers in Pennsylvania earn a median of about $97,920 a year, based on May 2025 Bureau of Labor Statistics wage data, ranging from around $65,770 for the lowest 10% to over $150,950 for the top 10%. Pay rises with experience, specialty, and employer.
Which companies hire mechanical engineers in Pennsylvania?
Employers hiring mechanical engineers in Pennsylvania right now include Amphenol, Sargent & Lundy, and Larson Design, based on current listings on Migrate Mate as of August 2026. Pennsylvania's concentration of defense contractors, energy companies, and advanced manufacturers means demand is distributed across both the Philadelphia corridor and the greater Pittsburgh region.
Which Pennsylvania cities have the most mechanical engineer jobs?
Pittsburgh, Philadelphia, and Yocumtown have the most mechanical engineer openings in Pennsylvania. Philadelphia leads due to its dense cluster of defense, pharmaceutical, and infrastructure firms, Pittsburgh draws heavily from energy, robotics, and steel-descended manufacturing industries, and the Lehigh Valley has grown as a hub for industrial equipment and logistics-adjacent engineering tied to large distribution and manufacturing operations in that corridor.
Are there remote mechanical engineer jobs in Pennsylvania?
Yes, but they're less common than in purely desk-based fields because mechanical engineering often requires hands-on lab, manufacturing floor, or site work. About 48% of mechanical engineer openings tied to Pennsylvania are remote or hybrid as of August 2026, with most of those roles concentrated in design, simulation, and analysis work rather than test, production, or field engineering positions.
How can I get hired as a mechanical engineer in Pennsylvania with little or no experience?
The most realistic entry path is applying for co-op or new-graduate roles at Pennsylvania's large defense and manufacturing employers, many of which run structured early-career programs for candidates without professional experience. Companies such as Lockheed Martin and Siemens regularly hire new graduates into rotational or junior engineer positions in Pennsylvania. A portfolio of academic projects, proficiency in SolidWorks or AutoCAD, and an EIT certification from the Pennsylvania State Registration Board all strengthen a first application, and adjacent roles in quality assurance or technical support are practical lateral entry points.
Where can I find and apply to mechanical engineer jobs in Pennsylvania?
You can find and apply to mechanical engineer jobs in Pennsylvania on Migrate Mate, which lists current Pennsylvania openings. Find the roles that fit your experience and location, then apply directly through each listing.
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