JobsUSACT Thermal Analysis Engineer
Company : Apex Systems
Location : Los Angeles, CA, 90189
Posted Date : 15 September 2025
Job Details
Thermal Engineer/Analyst
Key job responsibilities:
- Support extensive architectural trades with preliminary thermal analysis on aircraft subsystems for full mission lifecycle.
- Perform conceptual up to detailed level analysis of avionics components & subsystems.
- Develop automated scripts enabling rapid analysis updates accommodating trades (power states, duty cycles, structural mapping).
- Design, analyze and select heat sinks and/or cooling systems as needed for avionics subsystems.
- Define and execute test setups for thermal cycling and TVAC tests for development and qualification testing at subsystem and vehicle level, and correlate test results with mission operations models.
- Define and select test equipment as needed (e.g., sensors, data logging equipment etc.)
- Perform thermal model correlation using test results.
- Conduct testing of prototypes and engineering models for fast design feedback loops.
- Plan and execute characterization, qualification and acceptance tests.
- Document trades and design evolution, and preparation of materials for design review gates.
- Support thermal design for terrestrial equipment and systems with CFD analysis.
Basic qualifications:
- Bachelor's degree in mechanical engineering or related discipline, or equivalent experience.
- 7+ years of experience with thermal analysis software, including writing custom scripts to enable rapid design trades and iterations for system and subsystem optimizations for various use cases.
- 5+ year experience with test planning, test set-up, results correlation and system verification for production.
- 5+ year of experience in development of, and/or selection of, range of thermal control hardware, materials and finishes, paints, interface materials, heat sinks, temperature sensors, and or heaters.
- 5+ year experience with thermal simulation software (e.g., Thermal Desktop (SINDA), Ansys), and programming (e.g., python, Matlab).
Preferred qualifications:
- Advanced degree (Master's or PhD) in mechanical engineering or related field.
- Experience with aircraft thermal design, and delivering design solution optimized for mass, cost, reliability, performance, and manufacturability.
- Experience developing avionics hardware with proven flight heritage.
- Developing aircraft thermal solutions for high power flux components.
- CAD skills (NX)
- Experience with interpreting and correlating data from onorbit telemetry.
EEO Employer
Apex Systems is an equal opportunity employer. We do not discriminate or allow discrimination on the basis of race, color, religion, creed, sex (including pregnancy, childbirth, breastfeeding, or related medical conditions), age, sexual orientation, gender identity, national origin, ancestry, citizenship, genetic information, registered domestic partner status, marital status, disability, status as a crime victim, protected veteran status, political affiliation, union membership, or any other characteristic protected by law. Apex will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable law.
Apex Systems is a world-class IT services company that serves thousands of clients across the globe. When you join Apex, you become part of a team that values innovation, collaboration, and continuous learning. We offer quality career resources, training, certifications, development opportunities, and a comprehensive benefits package. Our commitment to excellence is reflected in many awards, including ClearlyRated's Best of Staffing in Talent Satisfaction in the United States and Great Place to Work in the United Kingdom and Mexico.
Apex offers a range of supplemental benefits, including medical, dental, vision, life, disability, and other insurance plans that offer an optional layer of financial protection. We offer an ESPP (employee stock purchase program) and a 401K program which allows you to contribute typically within 30 days of starting, with a company match after 12 months of tenure. Apex also offers a HSA (Health Savings Account on the HDHP plan), a SupportLinc Employee Assistance Program (EAP) with up to 8 free counseling sessions, a corporate discount savings program and other discounts. In terms of professional development, Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6+ months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. Apex has a dedicated customer service team for our Consultants that can address questions around benefits and other resources, as well as a certified Career Coach. You can access a full list of our benefits, programs, support teams and resources within our 'Welcome Packet' as well, which an Apex team member can provide.
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