Thermal Engineer Jobs in United States

Graphcore is a globally recognized leader in Artificial Intelligence computing systems. The company designs advanced semiconductors and data center hardware that provide the specialized processing power needed to drive AI innovation, while delivering the efficiency required to support its broader ad

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

Icarus was founded on the belief that the Stratosphere is the Forgotten Frontier and that reclaiming it will define the next era of aerospace and what is possible from the sky. We build solar-powered aircraft that fly at 60,000 ft for weeks at a time, delivering persistent, affordable, and sca

Scout Space is building a new way to see and operate in space: with a new paradigm of data empowering every satellite to make space safer. We are a rapidly-growing team; we are deploying real solutions to orbit over the next 2 years; and our work will transform the face of spaceflight. We are lookin

Astera Labs (NASDAQ: ALAB) provides rack-scale AI infrastructure through purpose-built connectivity solutions. By collaborating with hyperscalers and ecosystem partners, Astera Labs enables organizations to unlock the full potential of modern AI. Astera Labs’ Intelligent Connectivity Platform integr

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

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

Be one of the Bedo 100 Albedo is making Very Low Earth Orbit (VLEO) mainstream, building the infrastructure to usher every satellite mission set into this new orbital domain. We build buses, integrated satellites, and turnkey missions for customers to thrive in VLEO, between 250 km - 400 km, where p

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

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

About the role Muon Space is hiring a Thermal Engineer II to own the thermal design and analysis of spacecraft assemblies and subsystems — from hand calcs and models through TVAC test support. You'll work independently within your scope and partner across mechanical, electrical, and systems teams.&n

About the role Muon Space is hiring a Senior Thermal Engineer to own instrument-level thermal engineering across missions (SBEM, Quickbeam, Hydrosat) — models, hardware, and verification end-to-end — while contributing to spacecraft-level thermal balance. You'll be a recognized technical voice who w

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

About Blue Bird Corporation Blue Bird (NASDAQ: BLBD) is recognized as a technology leader and innovator of school buses since its founding in 1927. Our dedicated team members design, engineer and manufacture school buses with a singular focus on safety, reliability, and durability. School buses carr

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

Voyager is an innovative space, defense, and national security technology company committed to advancing and delivering transformative, mission-critical solutions. We tackle the most complex challenges to unlock new frontiers for human progress, fortify national security, and protect critical assets

The Thermal Engineer for Voyager Lunar Systems is responsible for supporting the design, build, test, and operation of thermal control system components for spacecraft, including lunar landers and surface power systems. The position reports to the Propulsion and Thermal Systems Manager within the En

Venturi Astrolab, Inc. (Astrolab) is pioneering new ways to explore and operate on distant planetary bodies. We are singularly focused on designing, building, and operating a fleet of multi-purpose commercial planetary rovers to extend and enhance humanity’s presence in the solar system. We are seek

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

Turning Space into a Transportation Layer for Earth Who We Are: Inversion builds advanced reentry systems to deliver next-generation capabilities from space. Our mission is to make Earth radically more accessible by turning Low-Earth Orbit into an on-demand logistics domain. We see spa