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Mechanical Thermal Engineer Jobs (NOW HIRING)

Mechanical/Thermal Engineer

Everett, WA · On-site

$120K - $165K/yr

The Mechanical/Thermal Engineer is responsible for the design of a new battery pack and power converter enclosure, built for datacenter rack integration from the ground up. They will own enclosure ...

Raytheon is seeking a Mechanical - Thermal Engineer to join the MA&T Department. In this role you will get the opportunity to work on products throughout their lifecycle from initial design trade ...

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Mechanical Thermal Engineer information

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$45.5K

$102.9K

$166.5K

How much do mechanical thermal engineer jobs pay per year?

As of Sep 13, 2026, the average yearly pay for mechanical thermal engineer 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 is the difference between Mechanical Thermal Engineer vs Mechanical Design Engineer?

AspectMechanical Thermal EngineerMechanical Design Engineer
Primary FocusThermal systems, heat transfer, cooling solutionsMechanical components, product design, structural integrity
Required SkillsThermodynamics, heat transfer, fluid mechanicsCAD, materials selection, mechanical drafting
Work EnvironmentR&D labs, testing facilities, manufacturingDesign offices, prototyping labs, manufacturing
Common CertificationsFE/EIT, ASME certifications in thermal systemsFE/EIT, CAD certifications

Mechanical Thermal Engineers specialize in thermal management and heat transfer systems, while Mechanical Design Engineers focus on creating mechanical components and assemblies. Both roles require strong engineering fundamentals, but their daily tasks and expertise areas differ significantly.

Are mechanical thermal engineers in demand?

Mechanical thermal engineers are in demand due to their expertise in heat transfer, thermodynamics, and cooling systems, which are critical in industries such as aerospace, automotive, and electronics. The growing focus on energy efficiency and thermal management increases employment opportunities for these engineers, especially those skilled in simulation tools like ANSYS or SolidWorks. Job prospects are strong for professionals with relevant certifications and experience in thermal analysis and design.

What does a mechanical thermal engineer do?

A mechanical thermal engineer designs, analyzes, and tests systems related to heat transfer, thermodynamics, and thermal management in mechanical devices. They often work with simulation tools, such as finite element analysis software, and focus on optimizing cooling, heating, and energy efficiency in products or systems. Their role may involve developing thermal solutions for electronics, engines, or HVAC systems to ensure safety and performance.

What cities are hiring for Mechanical Thermal Engineer jobs?

Cities with the most Mechanical Thermal Engineer job openings:

What states have the most Mechanical Thermal Engineer jobs?

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

What are popular job titles related to Mechanical Thermal Engineer jobs?

For Mechanical Thermal Engineer jobs, the most frequently searched job titles are:

Infographic showing various Mechanical Thermal Engineer job openings in the United States as of September 2026, with employment types broken down into 1% As Needed, 89% Full Time, 7% Part Time, 1% Contract, and 2% Nights. Highlights an 96% Physical, 1% Hybrid, and 3% Remote job distribution, with an average salary of $102,878 per year, or $49.5 per hour.

Mechanical Thermal Engineer

Pasadena, CA • On-site

Bastion Technologies
Guided Missile and Space Vehicle Manufacturing • 201 - 500 employees

$140K - $180K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 7 days ago


Key responsibilities

  • Perform thermal and structural analyses of electronic hardware designs.

  • Determine component temperatures for various environments and assess vibration fatigue life.

  • Support environmental test programs and participate in program/project design reviews.


Job description

The Mechanical Thermal Engineer will support various projects located in Pasadena, California as part of the NASA/JPL MASS contract. The position will perform thermal and structural analyses of electronic hardware designs and systems/subsystems, including enclosures.RESPONSIBILITIES:Perform thermal and structural analyses of electronic hardware designs.Determine component temperatures for a variety of environments and assess random vibration fatigue life. Review analysis submitted by subcontractors to JPL projects.Support environmental test programs.Support program/project design reviews.Interact extensively with project personnel.Other duties as assigned.REQUIRED:This position has been posted at multiple levels (must meet minimum level indicated). Depending on the candidate's experience, requirements, and business needs, we reserve the right to consider candidates at any level for which this position has been advertised. This position requires US Citizenship or Permanent Resident status due to the sensitivity of customer related information.Must have a TS/SCI (SSBI) Level clearance.Must have a bachelor's degree degree in mechanical engineering, aeronautical engineering, or physics.Must have a minimum of 15 years of recent and related work experience.Extensive experience in structural/thermal analysis and testing of electronic hardware and related disciplines.Proficient in thermal and structural design and analysis software such as Thermal Synthesizer System (TSS), ANSYS, COSMOS, Thermal Analyzer System (TAS), and Solid Works or equipment. Proficient background in electronics packaging, engineering or manufacturing.Ability to communicate well in verbal and written correspondence with multiple job disciplines.DESIRED:Experience reviewing Quality Assurance documentation, including verification of material certifications, test data, and full material traceability to purchase‑order requirements.Background in environmental requirements engineering and testing.Demonstrated capability in writing clear and detailed inspection reports, discrepancy documentation, and nonconformance records.Ability to work effectively in a fast‑paced environment while maintaining accuracy, attention to detail, and strong organizational skills.Demonstrated teamwork and collaboration skills, including supporting peers, sharing knowledge, and contributing to a positive work environment.WORK LOCATION: This position is located onsite and offers a 9/80 schedule with every other Friday off; some travel may be required. Schedules are subject to change based on the requirements of the position and/or customer needs.BACKGROUND INVESTIGATIONS REQUIRED:All Bastion employees must be able to pass a national agency check and some positions require clearance and will require an extensive background verification/check process.DRUG AND ALCOHOL SCREENING REQUIRED:All Bastion employees must be able to pass a pre-employment drug screen and are required to participate in periodic random drug and alcohol screenings.STANDARD BASTION REQUIREMENTS:Must have experience with Microsoft Office Suite, Word, Excel, PowerPoint, and TEAMS.All of Bastion's employees must be team players with strong work ethics and must be culture oriented.Able to communicate effectively, verbally and in written form, with internal and external customers.Able to follow company programs, processes, procedures, practices, requirements, goals, and objectives.Must be organized with good time management skills and must be able to work outside normal schedule and adjust schedule to meet peak periods and surge requirements.Generally, an office environment, but can involve inside or outside work depending on the task.Work may involve sitting or standing for extended periods (90% of the time) and may require lifting and carrying up to 25 lbs. (5% of the time).Regular attendance in accordance with an established work schedule is critical.BASTION BENEFITS:Bastion offers a wide range of benefits for their full-time employees; medical, prescription, dental, vision, AD&D, disability benefits, life insurance, retirement 401k, vacation, sick pay, holidays, flexible work schedules (when available), along with many other options. We also support career advancement through professional training and development.ABOUT BASTION:Bastion offers career opportunities with competitive benefits, exciting possibilities for advancement, and an exceptional work environment; the well-being of our employees is a priority, and our flexibility allows our employees a great work life balance. Our culture is based on strong business ethics, integrity, and professionalism. Our team members are known for their initiative and high-quality work. When it comes to our employees, we value, respect, and help them grow in their careers.WORKPLACE EXCELLENCE:At Bastion, we are passionate about our people and our safety culture. Individual thoughts, opinions, and perspectives bring value and help us develop solutions for challenging problems, they make us more inventive, and more resilient.SALARY RANGE: $140,000 - $180,000 based on experience and education level.All qualified applicants will receive consideration for employment without regard to race, color, sex, sexual orientation, gender identity, religion, national origin, disability, veteran status, or other legally protected status.Bastion participates in e-Verify.#MidSeniorLevel#LI-OnsiteBT-26151
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