21 thermal analysis engineer jobs found in Los Angeles

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 reduced launch costs has resulted in a massive increase in need for commercial spacecraft platforms, known as satellite buses. These buses hold the payloads of our customers and are flown on launch vehicles. Apex manufactures these satellite buses at scale using a combination of software, vertical integration, and hardware that is designed for manufacturing. Our spacecraft enable the future of society: ranging from earth observation to communications and more. We'd love for you to join us on our mission of providing humankind access to the galaxy beyond our planet. About the Role Apex is seeking a skilled Mechanical Engineer, Payloads to join our satellite engineering team. In this...

The Role LettrLabs is reinventing direct mail. With our own in-house handwriting robotics, we're challenging traditional direct mail manufacturing from the ground up. We're looking for a Senior Mechanical Design Engineer to own the mechanical design and development of complex electromechanical systems from concept through production - and to be instrumental in building our next-generation production automation platform. You'll take projects end-to-end: translating requirements into robust, manufacturable designs, validating them through analysis and prototyping, and seeing them through to commissioning. You'll work closely with cross-functional partners in electrical, controls, manufacturing, and quality, as well as external vendors and suppliers. This is a hands-on, high-ownership position for an engineer who is equally comfortable at a whiteboard, in CAD, and on the shop floor. Why Join Us Design the machines that make our product possible - you're not supporting a...

Senior Additive Manufacturing Engineer Los Angeles, CA (in-person) About Arcturus Arcturus is creating a new wire technology stack that uses carbon nanomaterials to overcome the materials limitations of metals where performance breaks down, at real operating temperatures. Our technology is designed to significantly improve the performance of electric motors for drones and robotics, heat sinks, and ultimately the entire energy grid. Why you should join us This is a ground-floor opportunity to help build something that has never been done before. You would join as an early senior additive manufacturing engineer and work closely with Arcturus' technical leads across AM, nanomaterials, processing, and testing. This is a hands-on role for someone who wants to move quickly, run experiments, build real hardware, and help turn first-of-its-kind materials science into repeatable manufacturing capability. Purpose We are seeking a Senior Additive Manufacturing Engineer who can...

Principal Additive Manufacturing Engineer Los Angeles, CA (in-person) About Arcturus Arcturus is creating a new wire technology stack that uses carbon nanomaterials to overcome the materials limitations of metals where performance breaks down, at real operating temperatures. Our technology is designed to significantly improve the performance of electric motors for drones and robotics, heat sinks, and ultimately the entire energy grid. Why you should join us This is a ground-floor opportunity to help build something that has never been done before. You would join as an early principal technical hire and help define how Arcturus turns metal additive manufacturing into a core company capability. This is a high-ownership individual contributor role for someone who wants to solve hard manufacturing problems, mentor others, and help build a first-of-its-kind materials platform from the ground up. Purpose We are seeking a Principal Additive Manufacturing Engineer who can...

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. To achieve our mission, we're building mass-producible, inherently safe, deployable microreactors that can be used terrestrially, underwater, and in space. The Antares team hails from SpaceX, the White House, the Pentagon, the Department of Energy, MIT, Rigetti Computing, General Atomics, Relativity Space, Ursa Major, and National Laboratories like Idaho, Oak Ridge, Los Alamos, and Savannah River. Antares has raised over $600M in venture capital from top-tier investors and has hundreds of million-dollars on contract with the military services, NASA, and the Department of Energy. About the Role As a Level I or Level II Mechanical Design Engineer in the Mission Engineering team, you...

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. To achieve our mission, we're building mass-producible, inherently safe, deployable microreactors that can be used terrestrially, underwater, and in space. The Antares team hails from SpaceX, the White House, the Pentagon, the Department of Energy, MIT, Rigetti Computing, General Atomics, Relativity Space, Ursa Major, and National Laboratories like Idaho, Oak Ridge, Los Alamos, and Savannah River. Antares has raised over $600M in venture capital from top-tier investors and has hundreds of million-dollars on contract with the military services, NASA, and the Department of Energy. About the Role As a Mechanical Design Engineer in the Mission Engineering team, you will primarily own...

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. To achieve our mission, we're building mass-producible, inherently safe, deployable microreactors that can be used terrestrially, underwater, and in space. The Antares team hails from SpaceX, the White House, the Pentagon, the Department of Energy, MIT, Rigetti Computing, General Atomics, Relativity Space, Ursa Major, and National Laboratories like Idaho, Oak Ridge, Los Alamos, and Savannah River. Antares has raised over $600M in venture capital from top-tier investors and has hundreds of million-dollars on contract with the military services, NASA, and the Department of Energy. About the Team As a Senior Manufacturing Engineer - Fabrication at Antares, you will own the...

16640 Stagg Street | Van Nuys, CA 91406 (818) 734-5300 | CapstoneEnergyPlus.com Power Electronics Engineer Position Description Date Issued: May 2026 Department: Systems, Software & Electrical Engineering Reports to: Manager, Systems Software & Electrical Engineering Location: Van Nuys, CA Position Purpose: Capstone Energy+, INC. is seeking a Power Electronics Engineer to provide technical expertise for the development of power electronics, inverters, magnetic components, power supplies, and energy storage systems. This role participates in the requirements definition, design, fabrication, and testing of electronic modules used to generate electrical power - directly supporting Capstone's mission to deliver reliable, on-site clean energy solutions. DESTINATION STATEMENT Who we strive to be: We will be the first choice when energy matters. Our bespoke solutions solve the energy trilemma of resiliency, sustainability, and affordability....

About Arcturus Arcturus is creating a new wire technology stack that uses carbon nanomaterials to overcome the materials limitations of metals where performance breaks down, at real operating temperatures. Our technology is designed to significantly improve the performance of electric motors for drones and robotics, heat sinks, and ultimately the entire energy grid. At its core, Arcturus is developing a new class of carbon nanomaterial-infused metal matrix composites for high-performance conductor applications. Why you should join us This is a ground-floor opportunity to help build something that has never been done before. You would join as a founding engineer/scientist and work closely with Arcturus' technical leads across nanomaterials, additive manufacturing, and process engineering. This is a hands-on execution role for someone who wants to move quickly, learn across disciplines, and help turn first-of-its-kind materials science into real product performance. Purpose...

About Arcturus Arcturus is creating a new wire technology stack that uses carbon nanomaterials to overcome the materials limitations of metals where performance breaks down, at real operating temperatures. Our technology is designed to significantly improve the performance of electric motors for drones and robotics, heat sinks, and ultimately the entire energy grid. Why you should join us This is a ground-floor opportunity to help build something that has never been done before. You would join as a founding engineer and become Arcturus' first additive manufacturing engineer, with the chance to define the company's metal printing strategy from the beginning. You will work directly with the Founder and CEO to shape the technical direction of our manufacturing platform and help build a category-defining materials company from scratch. Purpose We are seeking a Lead Additive Manufacturing Engineer who can own the development of Arcturus' metal printing platform across LPBF...

Location: The Greater Los Angeles Metropolitan Area, CA (Onsite) If you're interested in learning more about this opportunity or beginning the interview process, feel free to connect directly via LinkedIn: LinkedIn: https://www.linkedin.com/in/ra... Principal Mechanical Engineer - Platform Integration An advanced aerospace and defense technology company is seeking a Principal Mechanical Engineer to lead the integration of ruggedized sensor and electronics systems onto large mobile platforms for government and defense applications. This role is focused on translating advanced sensing and electronics technologies into durable, field-deployable systems capable of surviving demanding operational environments across vehicle, trailer, and maritime platforms. The ideal candidate brings deep experience with mechanical integration, ruggedized hardware design, environmental survivability, and large-scale platform constraints. This is a highly hands-on engineering role requiring...

This role is based at our headquarters in Valencia, California, and requires an on-site schedule Monday through Friday from 8:00 a.m. to 5:00 p.m. Who We Are: Sunco is one of the largest and fastest-growing online lighting retailers in the U.S.-and we're just getting started. Headquartered in sunny Valencia, CA, we're powered by an amazing team of people who bring passion, purpose, and innovation to everything they do. What We Do: We light up the world-literally Millions of customers have trusted Sunco for our energy-efficient LED lighting and our commitment to quality, value, and customer care. Whether it's a home renovation or a large-scale commercial project, our mission is to deliver top-tier lighting solutions with unbeatable service and eco-conscious impact. At Sunco, we don't just sell lights-we help our customers see things in a whole new light. Overview As a Validation Engineer II in the lighting industry, you will be responsible for developing,...

HOK is a collective of future-forward thinkers and designers who are driven to face the critical challenges of our time. We are dedicated to improving people's lives, serving our clients and healing the planet. Together, we cultivate a culture of design excellence at the confluence of art and science, blending the power of creative expression with a clear sense of purpose. Responsible for the successful delivery of large building projects, including managing and mentoring the team of engineers in a particular discipline on the project, developing concepts and budgets, and producing the design. RESPONSIBILITIES: Strategic Looks for ways to improve engineering design and design processes in a particular discipline. Able to guide the development of Revit tools to improve productivity. Project Management and Technical Improvement 10% time devoted to Project Management and Technical Improvement initiatives. Project Management shall include project manpower estimates, project...

Mechanical Engineer Location: Playa Vista, California (in-person, five days per week) The return lane isn't going to build itself. Come build it with us. Outpost is an orbital logistics company rewriting the rules of global logistics by building reusable Earth-return vehicles that unlock in-space manufacturing, on-orbit warehousing, and 60-minute global delivery through space. Our CarryAll vehicle family returns payloads ranging from 200 kilograms to 10 metric tons, lands within 10 meters of its target, and can then be refurbished and launched again. One vehicle, many missions: responsive logistics and precision delivery for national security; commercial cargo moved with real cadence; R&D payloads flown, tested, and refined across repeatable cycles; and critical aid delivered where roads and runways can't reach. The demand is already here, validated through defense and civil agreements and supported by a growing pipeline of government and commercial customers. We...

Snap Inc is a technology company. We believe the camera presents the greatest opportunity to improve the way people live and communicate. Snap contributes to human progress by empowering people to express themselves, live in the moment, learn about the world, and have fun together. The Company's three core products are Snapchat, a visual messaging app that enhances your relationships with friends, family, and the world; Lens Studio, an augmented reality platform that powers AR across Snapchat and other services; and its AR glasses, Spectacles. The Spectacles team is pushing the boundaries of technology to bring people closer together in the real world. Our fifth-generation Spectacles, powered by Snap OS, showcase how standalone, see-through AR glasses make playing, learning, and working better together. We're looking for an Electrical Engineer to join the Spectacles team! What you'll do: Own schematic design, component selection and stackup definition for boards from concept...

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 reduced launch costs has resulted in a massive increase in need for commercial spacecraft platforms, known as satellite buses. These buses hold the payloads of our customers and are flown on launch vehicles. Apex manufactures these satellite buses at scale using a combination of software, vertical integration, and hardware that is designed for manufacturing. Our spacecraft enable the future of society: ranging from earth observation to communications and more. We'd love for you to join us on our mission of providing humankind access to the galaxy beyond our planet. About the Role Apex is seeking a skilled Mechanical Design Engineer to join our satellite engineering team. In this...

Hermeus is a high-speed aircraft manufacturer focused on the rapid design, build, and test of high-Mach and hypersonic aircraft for the national interest. Working directly with the Department of Defense, Hermeus delivers capabilities that will ensure that our nation, and our allies, maintain an asymmetric advantage over any and all potential adversaries. As a Structures Design Engineer, you will be responsible for the design, analysis, and delivery of primary and secondary aircraft structures for hypersonic vehicles. You will own hardware from early trade studies through detailed design, manufacturing, integration, and flight test, working closely with propulsion, aerothermal, manufacturing, and test teams. This role requires strong fundamentals in structural design, comfort operating in ambiguous problem spaces, and the ability to move quickly while maintaining engineering discipline. Responsibilities Design and develop primary and secondary aircraft structures,...

About the Company General Matter is enriching uranium in America. Our mission is to restore our country's ability to make nuclear fuel. Our fuel will help power AI, manufacturing, and other critical industries. It will power our next generation of reactors. Ultimately, it will power our national ambitions. We were incubated by Founders Fund, like Anduril and Palantir before us, and we are backed by top tier investors. Our lean, world-class team of engineers and operators is applying a first-principles approach to solving the problem of nuclear fuel production. We are a mission-driven company with a culture of urgency, accountability and transparency. About This Role As a General Matter Mechanical Engineer, you will design, build, test, and own the mechanisms and mechanical structures enabling enrichment technology. You will work closely with cross-functional teams, including electrical engineers, software engineers, chemical engineers, manufacturing engineers, nuclear...

Director of Mechanical Engineering Location: Los Angeles, CA 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 NASA, JPL, SpaceX, Boeing, Raytheon, and the US DoD, among others, and power the work of leading research institutions. We combine precision opto-mechanical hardware, embedded computing, cloud orchestration, and developer-friendly APIs into world class products. From advanced ground stations, on orbit sensor suites, free space optical lasercom, to distributed compute platforms, we deliver the foundational systems enabling continuous, real-time navigation, observation, and communication in space. Observable Space is backed by top-tier institutional investors including Lux, Upfront Ventures, RTX Ventures, Detroit Venture Partners...

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 reduced launch costs has resulted in a massive increase in need for commercial spacecraft platforms, known as satellite buses. These buses hold the payloads of our customers and are flown on launch vehicles. Apex manufactures these satellite buses at scale using a combination of software, vertical integration, and hardware that is designed for manufacturing. Our spacecraft enable the future of society: ranging from earth observation to communications and more. We'd love for you to join us on our mission of providing humankind access to the galaxy beyond our planet. About the Role Apex is seeking a Chemical Propulsion Engineer to join our closely integrated team, driving the...