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211 thermal engineer jobs at 68 companies in Los Angeles, CA

1mo
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Thermal Engineer
Brevard County or Huntsville or Seattle or Los Angeles
$131k-$183k/yr OnsiteFull Time
Blue Origin: Develops reusable rockets and systems for human spaceflight.
5+ YOEBS in Mechanical or Aerospace Engineering, 5+ years thermal analysis/design for aerospace, proficiency with Thermal Desktop, experience with insulation and thermal testing, strong heat-transfer knowledge, and authorized to work in the U.S.
Thermal Desktop, Sinda/Fluint, Ansys, Star-CCM+, Python, MATLAB, Defense Biometric Identification System (DBIDS)
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1mo
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Thermal Engineer
Los Angeles, California, United States
$92k-$140k/yr OnsiteFull Time
Hermeus
Hermeus: Develops high-speed and hypersonic aircraft for defense and transportation.
Bachelor's in mechanical/aerospace/thermal engineering, proficiency with ANSYS/CFD/Thermal Desktop, experience in thermal management for high-speed vehicles, strong analytical and communication skills, U.S. person required for export-controlled work.
ANSYS, CFD, Thermal Desktop
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2mo
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Senior Thermal Engineer
Long Beach, California, United States
$148k-$210k/yr OnsiteFull Time
Vast
Vast: Develops and operates commercial artificial-gravity space stations.
6+ YOEBachelor's in mechanical/aerospace engineering, 6+ years spacecraft/aerospace thermal engineering, thermal control design and TVAC test experience, built and correlated flight thermal models, experience with high-power thermal challenges and thermal coatings.
Thermal Desktop, SINDA, ESATAN
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2w
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Senior Thermal Engineer
El Segundo, California, United States
$150k-$190k/yr OnsiteFull Time
Icarus
Icarus: Builds solar-powered aircraft for stratospheric intelligence and connectivity.
3+ YOE3+ years thermal analysis/design for flight or high-reliability hardware, degree in engineering, battery thermal management, thermal-vacuum testing, and model-to-test correlation.
Thermal Desktop, ANSYS, Simcenter, Python, MATLAB, CFD, FEA
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1mo
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Thermal Engineer
El Segundo, California, United States
$75k-$125k/yr OnsiteFull Time
Space Kinetic
Space Kinetic: Developing propellant-free systems for deploying payloads in space.
1+ YOEBachelor's in aerospace/mechanical engineering,1–2 years related experience (advanced degrees valued),thermal design and test experience,ability to obtain government security clearance,US lawful status required.
ANSYS Thermal Desktop, Sinda/Fluint/RadCad, Siemens Space Systems Thermal, SolidWorks, CREO, AutoCAD, MATLAB, Python
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2mo
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Thermal Engineer (All Levels)
Hawthorne, California, United States
$125k-$175k/yr OnsiteFull Time
Venturi Astrolab
Venturi Astrolab: Designs and builds robotic rovers for Moon and Mars exploration.
3+ YOEBachelor's in engineering/STEM, 3+ years thermal analysis and design experience with tools like MATLAB, Python, Thermal Desktop; experience with ANSYS/Sinda/Fluent, heat transfer, space thermal protection, rover systems, thermal FEA, and strong communication skills.
MATLAB, Python, Thermal Desktop, ANSYS, Sinda/Fluent, NX
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6d
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Senior Thermal Engineer
Westlake Village, California, United States
$150k-$190k/yr OnsiteFull Time
Ember LifeSciences
Ember LifeSciences: Provides reusable, cloud-connected cold chain shipping technology.
7+ YOEBachelor's degree in mechanical engineering or related field, 7+ years of thermal engineering experience, independent mechanical design, CFD, CAD, GD&T, prototyping, manufacturing, and product support experience.
CFD, 3D CAD, GD&T, Design of Experiments (DOE)
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Thermal Engineer
Costa Mesa, California, United States
$129k-$171k/yr OnsiteFull Time
Anduril Industries
Anduril Industries: Defense technology building autonomous military hardware and software.
5+ YOEMS (or PhD) in mechanical/aerospace/applied physics with 5+ years designing and validating thermal systems for aerospace/defense hardware; strong heat transfer and fluid dynamics skills; ability to obtain Top Secret clearance.
Lattice OS, STAR-CCM+, ANSYS, Icepak, Flotherm, MATLAB, Python, SolidWorks, Siemens NX, FEA, CFD
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2w
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Senior Principal Thermal Engineer
El Segundo, California, United States
$146k-$277k/yr OnsiteFull Time
RTX
RTXNYSE: RTX: RTX provides advanced aerospace and defense systems and services.
10+ YOEExperience in thermal analysis and testing for complex systems, TS/SCI clearance eligible U.S. citizen, 10+ years thermal engineering experience (or 7+ with advanced degree), proficiency with listed analysis tools.
ANSYS, FloTHERM, PATRAN, Thermal Desktop, SINDA, CREO
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3w
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Spacecraft Thermal Engineer II
Long Beach, California, United States
$95k-$125k/yr OnsiteFull Time
Rocket Lab
Rocket LabNasdaq: RKLB: Operates launch vehicles and manufactures satellites for space missions.
2+ YOEBachelor's in engineering,2+ years thermal engineering experience,knowledge of heat transfer and thermal test/validation,US citizenship requirement.
Siemens NX, Teamcenter, Thermal Desktop, NX Space Systems Thermal, ANSYS, SINDA, THERMICA, Python, MATLAB
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3w
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Spacecraft Thermal Engineer II
Long Beach, California, United States
$95k-$125k/yr OnsiteFull Time
Rocket Lab
Rocket LabNASDAQ: RKLB: Designs and builds launch vehicles and satellite systems.
2+ YOEBachelor's in engineering,2+ years thermal engineering experience,U.S. citizenship required,experience with thermal modeling,testing,validation and strong heat transfer knowledge.
Siemens NX, Teamcenter, Thermal Desktop, NX Space Systems Thermal, ANSYS, SINDA, THERMICA, Python, MATLAB
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2w
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Thermal Engineer (Falcon, Dragon, & Starfall)
Hawthorne, California, United States
$100k-$140k/yr OnsiteFull Time
SpaceX
SpaceX: Designs and launches advanced rockets and satellite internet constellations.
1+ YOEBachelor's degree in engineering, 1+ years experience with Python/MATLAB/EES (internships/school projects apply), thermal design and analysis experience preferred, experience with Thermal Desktop/ANSYS and TPS sizing preferred.
Python, MATLAB, EES, Thermal Desktop, ANSYS Workbench, FIAT, Sinda/Fluint, FUN3D, DPLR, US3D, LociChem, Pointwise, StarCCM+
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3w
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Principal Thermal Design Engineer
Los Angeles, California, United States
$175k-$295k/yr OnsiteFull Time
K2 Space
K2 Space: Develops high-power satellite platforms for heavy-lift launch vehicles.
8+ YOE8+ years in satellite thermal design with Thermal Desktop and Ansys experience, expertise in thermal control hardware and TVAC/thermal cycling testing, and experience automating analysis with Python/C++/Matlab. Must meet U.S. export-control (ITAR) eligibility.
Thermal Desktop, Ansys, Python, C++, C, Matlab
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1mo
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Staff Thermal Attributes Engineer
Irvine, California, United States
$154k-$193k/yr OnsiteFull Time
Rivian
RivianNASDAQ: RIVN: Designs and manufactures electric vehicles and charging networks.
10+ YOE10+ years automotive thermal experience; Bachelor's or Master's in Engineering with thermal science background; expert in AGS, airflow, heat-transfer; hands-on airflow measurement; CFD and 1D simulation experience; valid driver's license; travel ~25%.
Element, Powerflow, StarCCM+, Fluent, GT Suite, Matlab, Simulink, Torrington
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3mo
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Senior Spacecraft Thermal Engineer
El Segundo, California, United States
$151k-$227k/yr OnsiteFull Time
The Aerospace Corporation
The Aerospace Corporation: Provides technical expertise and research for national space programs.
10+ YOEBachelor's in mechanical or aerospace engineering; 10+ years thermal engineering; US security clearance eligibility; experience across multiple spacecraft programs; leadership experience.
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1mo
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Senior Thermal Analysis Engineer
El Segundo or Washington or Huntsville
$140k-$179k/yr OnsiteFull Time
Varda Space Industries
Varda Space Industries: Develops in-orbit manufacturing platforms and reentry capsules for pharmaceuticals.
3+ YOE3+ years developing passive and active thermal control systems; proficiency with Thermal Desktop, SINDA/FLUINT, and MATLAB; experience anchoring models to test/flight data and planning TVac testing.
Thermal Desktop, SINDA/FLUINT, MATLAB
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4d
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Senior Thermal Structures Engineer
Playa Vista, California, United States
$137k-$193k/yr OnsiteFull Time
Inversion Space
Inversion Space: Building autonomous re-entry vehicles for global space-to-Earth cargo delivery.
5+ YOEBachelor's degree in mechanical or aerospace engineering, 5+ years designing aerospace hardware, structural and thermal-structural analysis, 3D CAD, finite element analysis, and ability to obtain a U.S. Secret/Top Secret clearance.
Nastran, Abaqus, Ansys, 3D CAD, GD&T, Finite Element Analysis
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1w
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Senior Thermal Engineer
El Segundo or Idaho
$140k-$225k/yr OnsiteFull Time
Radiant
Radiant: Designs and manufactures portable, mass-produced nuclear microreactors.
5+ YOEBachelor’s degree in engineering, physics, or similar field; 5+ years relevant experience; 5+ years with commercial CFD code; Siemens NX proficiency; finite element and computational fluid dynamics expertise.
STAR-CCM+, Ansys Fluent, Siemens NX, CFD, CAD
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1w
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Thermal Systems Engineer, Integration
Long Beach, California, United States
$100k-$233k/yr HybridFull Time
Ford Motor Company
Ford Motor CompanyNYSE: F: Designs, manufactures, and sells cars, trucks, and SUVs.
5+ YOEBachelors in mechanical or related,5+ years thermal system design/integration experience,experience across coolant/refrigeration/climate subsystems,thermodynamics and heat transfer expertise,modeling and cross-team coordination skills.
MATLAB/Simulink, GT-SUITE, Python, CAN, LIN, Automotive Ethernet, CATIA, NX, 3DX
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4w
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Combustion & Thermal-Fluids Engineer
Long Beach, California, United States
$160k-$220k/yr OnsiteFull Time
Blisk Dynamics
Blisk Dynamics: A developing next-generation gas turbine engines for aerospace, defense, and energy.
5+ YOEB.S./M.S. in mechanical/aerospace, ~5+ years experience, deep thermofluids and combustion fundamentals, full-engine thermal modeling, hands-on CFD with ANSYS Fluent/CFX, hardware testing, clear technical communication.
ANSYS Fluent, ANSYS CFX, Python
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