Top 10 Mechanical & Related Engineering Jobs in New Jersey (+ Salaries)

Unless otherwise noted, all labor market data in this article is sourced from Lightcast/U.S. Bureau of Labor Statistics, current as of April 2026.

New Jersey is a dynamic hub for innovation, particularly within the mechanical and related engineering fields. Professionals pursuing these careers can find significant earning potential, with median salaries for roles like Aerospace Engineer reaching over $143,000. This sector offers diverse opportunities with steady growth projections, making it an excellent path for aspiring engineers.

Discover High-Paying Engineering Careers in New Jersey

Here are 10 top mechanical and related engineering jobs in New Jersey, detailing what you’d do, salary expectations, demand, key skills, and career growth opportunities.

1. Aerospace Engineer

An Aerospace Engineer designs aircraft, missiles, and spacecraft using knowledge of engineering and physics, and tests prototypes to see if they work according to design. You may specialize in aeronautical design, working with airplanes and helicopters, or astronautical design, focusing on vehicles used in outer space. Specialization can also include areas like aerodynamic flow or navigation.

Salary Range: Entry-level Aerospace Engineers earn around $119,125, with a median salary of $143,067. Top earners can reach $168,575 annually.
Demand & Growth: This role has low demand with approximately 86 active postings and a projected growth rate of 1.0%.
Top Skills: Communication, Problem Solving, Management, Leadership, Detail Oriented.
Certifications to Boost Your Career: Professional Engineer (PE) License (13%), Security Clearance (8%), Engineer in Training (6%).
Top Employers in New Jersey: Noblis, Jobot, Burns & McDonnell, AECOM, Management Recruiters of Edison.
Career Advancement Paths: Aerospace Engineering Manager (potentially earning an additional $43,635), Systems Architect (General) (+$25,527), Software Systems Engineer (+$33,678).

2. Optical / Laser Engineer

An Optical or Laser Engineer researches and develops technology that uses the science of light (optics). This field includes innovations like fiber optic cables for high-speed internet and lasers used for precise incisions and measurements. You will often collaborate with scientists and engineers from other fields on technological advancements.

Salary Range: Entry-level salaries start around $90,259, with a median of $117,710. Experienced professionals can earn up to $152,550.
Demand & Growth: Demand is low with about 85 active postings and a growth rate of 0.9%.
Top Skills: Innovation, Communication, Troubleshooting (Problem Solving), Management, Presentations. Skills like Electro-Optical Systems, Electrical Engineering, and Laser Diode can further boost your earning potential.
Certifications to Boost Your Career: Security Clearance (11%), Secret Clearance (4%), Six Sigma Green Belt (2%).
Top Employers in New Jersey: Molex, Coherent, Thorlabs, Cisco, Nokia.

3. Thermal Engineer

A Thermal Engineer specializes in thermodynamics, focusing on heat transfers and energy conversion. Your expertise is crucial in designing and optimizing systems where temperature management is critical.

Salary Range: Entry-level Thermal Engineers can expect to earn around $85,704, with a median salary of $118,728. Top professionals can earn up to $159,163.
Demand & Growth: This role currently has low demand with approximately 39 active postings, but a steady growth rate of 1.6%.
Top Skills: Communication, Research, Problem Solving, Innovation, Management. Specialization in Electronics Cooling, FloTHERM (Thermal Analysis Software), and Simcenter Amesim can increase your salary.
Certifications to Boost Your Career: Six Sigma Black Belt (3%), Project Management Professional Certification (3%).
Top Employers in New Jersey: Holtec International, Lucid Motors, Kforce, AMD, Nokia.

4. Mechanical Systems Engineer

As a Mechanical Systems Engineer, you evaluate and optimize the systems used in mechanical engineering. Your work ensures efficiency and effectiveness across various mechanical processes and designs.

Salary Range: Entry-level salaries begin at $85,232, with a median of $111,690. Top earners can reach $153,609 annually.
Demand & Growth: Demand is low with approximately 87 active postings and a growth rate of 1.6%.
Top Skills: Operations, Good Driving Record, Communication, Investigation, Prioritization. Expertise in Mechanical Design can boost your earning potential.
Certifications to Boost Your Career: Valid Driver’s License (43%), Secret Clearance (8%), Professional Engineer (PE) License (8%).
Top Employers in New Jersey: Public Service Enterprise Group, Marotta Controls, Moseley Technical Services, Princeton University, Randstad.
Career Advancement Paths: Mechanical Engineering Manager (+$18,878), Aerospace Engineering Manager (+$45,415), Product Design Engineer (+$13,354).

5. Reliability Engineer

A Reliability Engineer evaluates and analyzes the reliability of manufacturing and production equipment and processes. You identify proactive maintenance requirements and process improvements, working to maximize reliable performance and prevent equipment or process failures.

Salary Range: Entry-level Reliability Engineers earn about $94,784, with a median salary of $114,529. Top professionals can reach $126,177.
Demand & Growth: Demand is low with around 111 active postings, but a solid growth rate of 1.8%.
Top Skills: Reliability, Operations, Management, Troubleshooting (Problem Solving), Leadership. Skills in Reliability Analysis, Mechanical Reliability, and Thermography can significantly boost your salary.
Certifications to Boost Your Career: Six Sigma Certification (9%), Valid Driver’s License (6%), Certified Reliability Engineer (4%).
Top Employers in New Jersey: Merck & Co., ABM Industries, Public Service Enterprise Group, AMD, Johnson & Johnson.
Career Advancement Paths: Director of Manufacturing (+$52,258), Technical Manager / Director (+$15,592), Director of Quality Assurance (+$35,245).

6. Manufacturing Process Engineer

A Manufacturing Process Engineer develops workflow, workstation, and equipment improvement recommendations within a company’s manufacturing environment. You fine-tune processes by researching, designing, modifying, and testing manufacturing methods and equipment, applying knowledge of product design, fabrication, assembly, tooling, and materials.

Salary Range: Entry-level salaries are about $83,266, with a median of $102,539. Top earners can make up to $136,697.
Demand & Growth: This role has medium demand with 383 active postings and a growth rate of 1.8%.
Top Skills: Communication, Leadership, Operations, Verbal Communication Skills, Problem Solving. Expertise in PTC Creo (CAD Suite), Register-Transfer Level, and Static Timing Analysis can boost your salary.
Certifications to Boost Your Career: Valid Driver’s License (7%), Secret Clearance (5%), Professional Engineer (PE) License (4%).
Top Employers in New Jersey: GPAC, Actalent, Public Service Enterprise Group, Imperial Machine & Tool Co., L3Harris Technologies.
Career Advancement Paths: Product Design Engineer (+$14,647), Design Engineering Manager (+$34,913), Mechanical Engineering Manager (+$20,171).

7. Fuel Cell Engineer

A Fuel Cell Engineer designs, evaluates, modifies, or constructs fuel cell components or systems for transportation, stationary, or portable applications. You’ll be at the forefront of clean energy technology.

Salary Range: Entry-level salaries start around $59,824, with a median of $102,659. Experienced Fuel Cell Engineers can earn up to $148,317.
Demand & Growth: Demand is low with only 12 active postings, but a projected growth rate of 1.6%.
Top Skills: Communication, Troubleshooting (Problem Solving), Customer Service, Leadership, Interpersonal Communications.
Certifications to Boost Your Career: Valid Driver’s License (8%), Certified Patient Care Technician (CPCT) (8%).
Top Employers in New Jersey: Mondelez International, Lucid Motors, Nestlé, Resourcesoft, Legend Biotech.

8. Production Engineer

As a Production Engineer, you combine knowledge of manufacturing technology and engineering sciences with management theory. You design production steps, define and monitor necessary resources, and evaluate the overall process efficiency.

Salary Range: Entry-level Production Engineers earn approximately $73,638, with a median salary of $97,963. Top professionals can reach $135,348.
Demand & Growth: This role has medium demand with 195 active postings and a growth rate of 1.8%.
Top Skills: Troubleshooting (Problem Solving), Communication, Operations, Problem Solving, Management. Specialization in Production Engineering can lead to higher earnings.
Certifications to Boost Your Career: ITIL Foundation Certification (3%), ITIL Certifications (3%), Six Sigma Black Belt (2%).
Top Employers in New Jersey: NBC, Marotta Controls, Fiserv, Meta, Insight Global.
Career Advancement Paths: Manufacturing Engineering Manager (+$15,045), Operations Engineering Manager (+$31,251), Director of Manufacturing (+$60,714).

9. Manufacturing Automation Engineer

A Manufacturing Automation Engineer designs, programs, and improves automated machinery and processes within a manufacturing environment. You are responsible for the design specifications, documentation, and troubleshooting of equipment, often working in industries like vehicle manufacturing and food processing where robots or machines perform specific functions.

Salary Range: Entry-level salaries are around $90,559, with a median of $100,575. Top earners can make up to $124,046.
Demand & Growth: Demand is low with about 49 active postings, but a strong growth rate of 1.8%.
Top Skills: Troubleshooting (Problem Solving), Problem Solving, Communication, Management, Innovation. Skills in Industrial Automation, Automation Systems, and Robotics can boost your earning potential.
Certifications to Boost Your Career: Valid Driver’s License (4%), Project Management Professional Certification (4%), Lean Manufacturing Certification (2%).
Top Employers in New Jersey: Actalent, Genscript, Medline Industries, AbbVie, Triangle Manufacturing Company.
Career Advancement Paths: Automation Engineer (+$17,238), Director of Manufacturing (+$64,374).

10. Validation Specialist

As a Validation Specialist, you test and document the validity and accuracy of manufacturing systems and equipment. You manage process validations, provide technical support, and implement operating procedures, often creating documentation to demonstrate consistent results and adherence to quality standards.

Salary Range: Entry-level salaries begin at $81,331, with a median of $103,608. Top professionals can earn up to $123,871.
Demand & Growth: This role has medium demand with 251 active postings and a growth rate of 1.8%.
Top Skills: Communication, Operations, Problem Solving, Safety Assurance, Management.
Certifications to Boost Your Career: Valid Driver’s License (2%), Certified Quality Engineer (2%), Registered Nurse (RN) (0%).
Top Employers in New Jersey: Katalyst Healthcares & Life Sciences, Merck & Co., Bristol-Myers Squibb, Grifols, Roche.
Career Advancement Paths: Validation Engineer (+$18,911), Pharmaceutical Manufacturing Process Engineer (+$15,404), Director of Quality Assurance (+$59,962).

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