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Thermal System Project Engineer Jobs (NOW HIRING)

Aetherflux

Thermal Engineer

San Carlos, CA · On-site

Current energy and data systems rely on complex logistics and outdated infrastructure. Cowboy Space ... The Role As a Thermal Engineer you will design, analyze, implement and demonstrate thermal ...

Socket.dev

Thermal Engineer

San Carlos, CA · On-site

Current energy and data systems rely on complex logistics and outdated infrastructure. Cowboy Space ... The Role As a Thermal Engineer you will design, analyze, implement and demonstrate thermal ...

New

SwirlX, Inc.

Thermal Engineer

San Diego, CA · On-site

The team works closely together to design, build, and test next generation cooling systems, with a ... Apply with a resume and a one page summary of one project, including either analysis or test ...

Hermeus

Thermal Engineer

Los Angeles, CA · On-site

$91K - $140K/yr

Thermal System Design: Design and develop efficient thermal management systems, including heat ... and project teams. * Work hand in hand with responsible engineers to develop simple and robust ...

Hermeus

Thermal Engineer

Santa Monica, CA · On-site

$91K - $140K/yr

Thermal System Design: Design and develop efficient thermal management systems, including heat ... and project teams. * Work hand in hand with responsible engineers to develop simple and robust ...

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Thermal System Project Engineer information

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$48.5K

$98.6K

$156K

How much do thermal system project engineer jobs pay per year?

As of Sep 9, 2026, the average yearly pay for thermal system project engineer in the United States is $98,643.00, according to ZipRecruiter salary data. Most workers in this role earn between $76,500.00 and $114,500.00 per year, depending on experience, location, and employer.

What are popular job titles related to Thermal System Project Engineer jobs?

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

Infographic showing various Thermal System Project Engineer job openings in the United States as of August 2026, with employment types broken down into 1% As Needed, 84% Full Time, 12% Part Time, and 3% Contract. Highlights an 91% Physical, 2% Hybrid, and 7% Remote job distribution, with an average salary of $98,643 per year, or $47.4 per hour.

Principal Engineer, Fluid & Thermal Systems (R4793)

Dallas, TX • On-site

Shield AI
Software Development • 11 - 50 employees
Learn more about Shield AIexternal

$250K - $370K/yr

Full-time

Re-posted 28 days ago

Job description

Shield AI is a venture-backed defense-tech company with the mission of protecting service members and civilians with intelligent systems. Its products include Hivemind autonomy software, V-BAT and X-BAT aircraft, and Aechelon simulation and synthetic reality technologies. With offices and facilities across the U.S., Europe, the Middle East, and Asia-Pacific, Shield AI's technology actively supports operations worldwide. For more information, visit www.shield.ai. Follow Shield AI on LinkedIn, X, Instagram, and YouTube. 

Job Description:
Are you an experienced and innovative Fluid & Thermal Systems Engineer looking to help shape the future of AI and robotics technology? Are you eager to make a meaningful impact on cutting-edge products that matter? Do you thrive in a fast-paced, mission-driven environment alongside highly motivated and values-focused teammates? Shield AI is the perfect place for you!
As a Staff Fluid & Thermal Systems Engineer at Shield AI, you will lead the design, development, and optimization of fluid and thermal systems for our advanced autonomous UAVs and ground systems. Your expertise fluid & thermal system design will drive innovation, prototyping, testing, and the successful integration of solutions that operate reliably in challenging environments. This role requires technical leadership, collaboration with cross-functional teams, and an unwavering commitment to delivering excellence from concept to production.
What you'll do:
  • Own design and analysis of fluid and thermal systems for aircraft and ground platforms.
  • Develop and implement innovative thermal solutions
  • Use first-principles engineering to drive design decisions to yield optimal solutions
  • Research technologies for integration into complex solutions
  • Conduct advanced simulations to predict system performance and refine designs
  • Execute testing and validation efforts, including data acquisition, post-processing, and verification against requirements
  • Collaborate with cross-disciplinary teams to integrate fluid and thermal system designs into larger system architectures.
  • Mentor and guide junior engineers, fostering technical growth and excellence within the team.
  • Identify suppliers and build successful supplier management relationships for procurement of components or systems for fluid and thermal system designs
  • Other duties as assigned
Required qualifications:
  • Minimum 10+ years of experience in Fluid or Thermal System design, with a proven track record of technical excellence.
  • B.S. or advanced degree in Mechanical, Aerospace, or related Engineering discipline.
  • Deep understanding of heat transfer, fluid dynamics, thermodynamics, and system-level thermal management.
  • Experience implementing system models in commercial tools, such as MATLAB Simscape, Amesim, etc.
  • Experience developing custom engineering models in Excel and in languages such as MATLAB, Python, etc.
  • Experience in fluid and thermal system testing, including sensor integration, data acquisition, and analysis.
  • Expertise in 3D CAD modeling tools such as Siemens NX or equivalent.
  • Demonstrated ability to execute projects with minimal oversight, assume full ownership, and deliver exceptional outcomes.
  • Excellence in supplier management, COTS component sourcing, optimization/trade studies
  • Proven success in dynamic, fast-paced environments.
  • Ability to obtain a S//SAR level security clearance desired.
Preferred qualifications:
  • Extensive experience with fluid & thermal system design, analysis, manufacture and test for aircraft
  • Familiarity with fluid and thermal system effects on aircraft performance
  • Familiarity with startup or R&D environments, demonstrating adaptability and agility under pressure.
  • Strong knowledge of environmental standards and certification processes for aerospace or defense systems.
  • A passion for innovation and the ability to push boundaries in fluid & thermal system development.
$250,000 - $370,000 a year
#LI-MS1
#LF

Full-time regular employee offer package:
Pay within range listed + Bonus + Benefits + Equity
 
Temporary employee offer package:
Pay within range listed above + temporary benefits package (applicable after 60 days of employment)
 
Salary compensation is influenced by a wide array of factors including but not limited to skill set, level of experience, licenses and certifications, and specific work location. All offers are contingent on a cleared background and possible reference check. Military fellows and part-time employees are not eligible for benefits. Please speak to your talent acquisition representative for more information.
 
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Shield AI is proud to be an equal opportunity workplace and is an affirmative action employer. We are committed to equal employment opportunity regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, marital status, disability, gender identity or Veteran status. If you have a disability or special need that requires accommodation, please let us know. 
We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.
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