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Thermal Engineer
19
Thermal Engineer – Full Time Job Opportunity Who We Are: Arieca is leading the commercialization of easy to deploy liquid metal embedded elastomer (LMEE) technologies, which enable unprecedented performance in applications across semiconductor, electronics, automotive, and healthcare industries. Our
OtherThermal EngineerMid
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4 0 0 ~4mo ago
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Thermal Engineer
23
Last Energy is a pioneering US technology company focused on fleet-wide deployment and operation of next-generation nuclear assets. We are revolutionizing nuclear power delivery for rapid deployment and scalability. We are seeking a Thermal Engineer to design the pressure-boundary hardware in our mi
EngineeringOtherMechanical EngineerThermal EngineerFull-TimeMid
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7 0 0 1mo ago
Thermal Engineer
$150k–$250k/year
42
About Us Array Labs builds advanced radar systems to help humanity understand and respond to changes across the physical world. We're launching a coordinated fleet of radar satellites to create a high-resolution 3D map of the Earth, updated in real time, enabling faster, smarter decision-making for
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8 0 0 1mo ago
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Senior/Principal Thermal Engineer
$180k–$210k/year
40
Come join us in shaping the future! Get in on the ground floor as an early member of our Mechanical Engineering team as a Thermal Engineer developing a revolutionary satellite communications system. Connect the vision to the hardware, build it, test it and fly it. AscendArc is a startup founded to r
OtherThermal EngineerFull-TimeSenior
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4 0 0 2mo ago
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RFIC Thermal Engineer
23
Are you passionate about solving complex thermal challenges in advanced semiconductor technologies? At Falcomm, we are transforming innovative semiconductor research into real-world solutions through high-performance, energy-efficient RF power amplifier technologies. Our mission is to deliver next-g
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3 0 0 7mo ago
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Sr. Spacecraft Thermal Engineer
$150k–$190k/year
39
About Observable Space At Observable Space, we're redefining how humanity observes and connects with the universe. We're a vertically integrated, high-growth, space technology company building industry-leading precision optics platforms for Earth and in space. Our systems are trusted by thousands of
OtherThermal EngineerFull-TimeSenior
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3 0 0 1mo ago
Aerospace Thermal Engineer — Space Infrastructure | Austin, TX (On-site)
19
Aerospace Structures & Thermal Engineer — Space Infrastructure | Austin, TX (On-site) Client is a 12-person space infrastructure company building autonomous bio-factories in orbit — producing advanced materials and enabling drug discovery impossible on Earth. Two satellites launched, NASA TechLeap P
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2 0 0 ~4mo ago
Aerospace Thermal Engineer — Space Infrastructure | Austin, TX (On-site)
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19
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Spacecraft Thermal Engineer (I/II)
$80k–$130k/year
41
Join a team where your impact reaches beyond the stars! At Terran Orbital, you’re not just part of the system – you’re a vital force propelling our mission forward. As trailblazers in satellite manufacturing and aerospace innovation, we shatter boundaries daily to deliver groundbreaking solutions th
OtherThermal EngineerMid
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6 0 0 1mo ago
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Senior Thermal Engineer
$140k–$200k/year
32
Join the Sleep Fitness Movement At Eight Sleep, we’re on a mission to fuel human potential through optimal sleep. As the world’s first sleep fitness company, we’re redefining what it means to be well-rested and building the most advanced hardware, software, and AI technology to make it possible. Our
OtherThermal EngineerFull-TimeSenior
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4 0 0 4mo ago
Thermal Engineer II
19
ABOUT FIREFLY AEROSPACE Firefly Aerospace is a space and defense technology company on a mission to reliably and repeatedly launch, land, and operate space systems from Earth to the Moon and beyond. As the partner of choice for critical space missions, Firefly is the first commercial company to laun
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2 0 0 ~1mo ago
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Mechanical Thermal Engineer (BT-26151)
19
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 therma
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4 0 0 ~3mo ago
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Senior Thermal Engineer - Space
$145k–$185k/year
32
About Us At Antares, our long-term mission is to make clean energy abundant from Earth to the Asteroid Belt. We’re fueled by the belief that advanced nuclear energy can strengthen our military, solve the climate crisis, elevate global living standards, and expand humanity's presence in outer space.
OtherThermal AnalystThermal EngineerFull-TimeSenior
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7 0 0 1mo ago
Senior Thermal Engineer
$155k–$200k/year
42
About the Company We are a renewable energy and ocean technology company committed to rapidly developing and deploying technologies that will ensure a sustainable future for Earth by unlocking the vast energy potential of its oceans. Our focus is on capturing civilizational levels of ultra-low-cost
OtherThermal EngineerSenior
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6 0 0 3mo ago
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Thermal Associate Engineer (Winter 2027)
$1925–$1925/month
41
Astranis builds advanced satellites for high orbits, expanding humanity’s reach into the solar system. Today Astranis satellites provide dedicated, secure networks to highly-sophisticated customers across the globe – large enterprises, sovereign governments, and the US military. With five satellites
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6 0 0 1mo ago
Thermal Associate Engineer (Summer 2027)
$1925–$1925/month
41
Astranis builds advanced satellites for high orbits, expanding humanity’s reach into the solar system. Today Astranis satellites provide dedicated, secure networks to highly-sophisticated customers across the globe – large enterprises, sovereign governments, and the US military. With five satellites
OtherThermal EngineerMid
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4 0 0 1mo ago
Thermal Engineer
$92k–$140k/year
42
Hermeus is a venture-backed defense aviation company reclaiming the lost art of rapid iterative prototyping to build the fastest aircraft in the world today. By prioritizing relentless hardware iteration, we deliver high-speed systems at the pace of the modern battlefield. We work with the Departmen
OtherThermal EngineerFull-TimeMid
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3 0 0 3mo ago
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Thermal Engineer (Senior)
19
Spacecraft represent the most pressing unmet need across the entire aerospace industry. As more launch vehicles come online and the cost to orbit decreases, more companies launching payloads to space continue to emerge. For the first time in history, this influx of payload companies combined with re
OtherThermal EngineerFull-TimeSenior
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3 0 0 1mo ago
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Heat Transfer Engineer, Turbomachinery
$140k–$215k/year
42
About Valar Atomics At Valar Atomics, we're redefining what's possible in energy. Our mission is to make clean, high-temperature nuclear power scalable—unlocking abundant energy for industry, hydrogen, and next-generation manufacturing. We are a team of builders, engineers, and operators who believe
OtherThermal EngineerMid
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7 0 0 2mo ago
Thermal Engineer - Battery Systems
$90k–$128k/year
42
Gotion Inc. is based in Silicon Valley, CA, currently building a Manufacturing facility in Manteno, IL and has R&D centers in Ohio, China, Japan and Europe. We innovate in the next generation electric vehicle and energy storage technologies (lithium batteries and related systems) with the aim to acc
OtherThermal EngineerMid
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13 0 0 12mo ago
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About Thermal Engineer jobs in United States
As of Nov 5, 2026, Jobera lists 60 open Thermal Engineer jobs in United States, collected from employers’ own career sites. 2% of them are fully remote. Where pay is stated in US dollars, the median is $170,000 a year (based on 27 job postings). Most openings are in Bastrop, Los Angeles and Pelzer.
How many Thermal Engineer jobs are open in United States?
As of Nov 5, 2026, Jobera lists 60 open Thermal Engineer jobs in United States, collected from employers’ own career sites.
Are Thermal Engineer jobs in United States remote?
2% of them are fully remote.
What do Thermal Engineer jobs in United States pay?
Where pay is stated in US dollars, the median is $170,000 a year (based on 27 job postings).