Senior Thermal Engineer

At Relativity Space, we are revolutionizing space travel by designing and manufacturing rockets that meet the demands of today while paving the way for tomorrow's innovations. Our Terran R vehicle is set to deliver customer payloads to orbit, responding to the increasing need for launch capabilities. However, this is merely the beginning. The commercial success of Terran R will create new pathways for scientific advancement, exploration, and innovation—pushing the boundaries of what we know.By joining Relativity, you become part of a culture that prioritizes autonomy, ownership, and impact at every level. Here, you won't just be completing tasks; you will be tackling unprecedented challenges, contributing to the development of a rocket, a factory, and a business from the ground up. Regardless of whether you're in propulsion, manufacturing, software, avionics, or corporate functions, you will collaborate across teams, influence decisions, and witness your contributions come to fruition at an astonishing pace. This is a place where creativity meets technical excellence, and your insights will shape the narratives we create together. Now is a pivotal moment where you can leave your imprint on the product, the process, and the culture, while the Terran R is gaining traction. The most impactful work of your career awaits you. Join us.About the Team: The Interplanetary Sciences Program was founded to broaden access to scientific exploration throughout our solar system. Its goal is to enhance planetary research by making it faster, more cost-effective, and more capable than ever before by reimagining the design, construction, and operation of science missions. Our aim is to empower scientists to deploy instruments to remote worlds without enduring decades of development or exorbitant costs.

At Relativity Space, we are revolutionizing the aerospace industry by creating advanced rockets designed to meet current demands and drive future innovations. Our Terran R vehicle is set to deliver customer payloads to orbit, addressing the growing need for launch capacity. This is only the beginning; achieving commercial success with Terran R will pave the way for new opportunities in science, exploration, and technological advancement, pushing the boundaries of the known. Joining Relativity means becoming part of a culture where creativity, autonomy, ownership, and impact are paramount. Here, you won’t just execute tasks; you’ll tackle previously unsolved challenges, contributing to the development of rockets, factories, and a groundbreaking business model. Collaborating across diverse teams—from propulsion and manufacturing to software and avionics—you will influence key decisions and witness your efforts come to fruition in record time. At Relativity, technical excellence and creative thinking go hand in hand, empowering you to shape the stories we create together. This is a unique opportunity to make your mark on the product, process, and culture of our organization, at a time when Terran R is gaining significant momentum. The most impactful work of your career awaits you. Join us.

At Relativity Space, we are revolutionizing space technology by creating rockets that address current demands and future innovations. Our Terran R vehicle is designed to transport customer payloads to orbit, catering to the increasing need for launch capacity. This is merely the beginning; achieving commercial success with Terran R will pave the way for groundbreaking advancements in science, exploration, and innovation, driving progress into uncharted territories.Becoming a part of Relativity means joining a team where autonomy, ownership, and impact are present at every level. You won't just carry out tasks; you'll tackle unprecedented challenges, contributing to the development of a rocket, a factory, and an entire business from the ground up. Whether your expertise lies in propulsion, manufacturing, software, avionics, or corporate functions, you'll collaborate across teams, influence decisions, and witness your contributions materialize in record time. Relativity is a place where creativity intertwines with technical precision, and your voice will be instrumental in shaping our collective narrative. This is a unique opportunity to leave your mark on the product, the process, and the culture as we bring Terran R to life. The most significant work of your career awaits you. Join us.About the Team: The Interplanetary Sciences Program was established to broaden access to scientific exploration throughout our solar system. Its mission is to accelerate planetary research, making it more affordable and capable than ever before by reimagining the design, construction, and operation of science missions. The program aims to empower scientists to deploy instruments to distant worlds without the lengthy development timelines and prohibitive costs that have historically been associated with such endeavors.

At Relativity Space, we are redefining the future of space exploration by building cutting-edge rockets that meet current demands and enable future breakthroughs. Our Terran R vehicle is designed to efficiently deliver customer payloads to orbit, addressing the increasing need for launch capacity. This is only the beginning; achieving commercial success with Terran R will pave the way for groundbreaking advancements in science, exploration, and innovation that extend beyond the known.Becoming a part of Relativity means embracing a culture of autonomy, ownership, and significant impact across all levels of the organization. You will not only execute tasks but will also tackle challenges that have yet to be solved, contributing to the development of a rocket, a factory, and a pioneering business from the ground up. Regardless of your role—be it in propulsion, manufacturing, software, avionics, or corporate functions—you will collaborate across teams, influence decisions, and witness your contributions materialize rapidly. At Relativity, creativity and technical expertise go hand in hand, and your insights will help shape our collective narrative. This is a unique moment in time; it’s early enough for you to leave your imprint on the product, process, and culture, yet advanced enough that Terran R has become a tangible reality, gaining momentum. The most impactful work of your career awaits. Join us.About the Team:Our Propulsion team is dedicated to the design and production of high-performance, manufacturable engines for the Terran R. Each engineer is accountable for the entire lifecycle of their components, from initial design through production to qualification and flight. We foster a culture that encourages bottom-up decision-making, free from technical barriers, emphasizing ownership and accountability at every level. Designing engines capable of producing a quarter million pounds of thrust is just the beginning; as we move towards flight configuration qualification, the team is exploring innovations for future engines, including thrust enhancements, new cycles, and designs tailored for mass production.About the Role:

Join VAST as a Senior Mechanical Engineer specializing in Thermal Control Systems. In this pivotal role, you will lead the design and development of cutting-edge thermal management solutions for our advanced engineering projects. Your expertise will directly contribute to the optimization of our systems, ensuring safety, efficiency, and sustainability.As a key member of our engineering team, you will collaborate with multidisciplinary teams to solve complex thermal challenges, conduct simulations, and implement innovative designs. Your leadership will guide junior engineers, fostering an environment of growth and excellence.

Join Rocket Lab, a pioneering aerospace company, as a Spacecraft Thermal Engineer II/Senior. In this role, you will be responsible for the thermal analysis and design of spacecraft systems, ensuring their performance under various conditions. Collaborate with a talented team to develop innovative solutions that push the boundaries of space exploration.

Join Relativity Space as a Thermal Analyst II specializing in propulsion systems. In this role, you will be instrumental in analyzing thermal performance, conducting simulations, and ensuring the reliability of propulsion technologies. Collaborate with a dynamic team of engineers, utilizing advanced tools and methodologies to drive innovation in aerospace engineering.

Join Vast as a Test Engineer II specializing in Thermal Control Systems, where you will play a crucial role in advancing our mission to create sustainable human presence in space. In this exciting position, you will lead the full lifecycle of testing campaigns for thermal systems and mission-critical components, ensuring the safety and success of future astronauts and space missions. Collaborate cross-functionally to tackle complex technical challenges, design rigorous tests, and contribute to groundbreaking projects that shape the future of space habitation.

Join Our Team at Odys AviationAt Odys Aviation, our mission is clear: to revolutionize air travel by creating safe and sustainable aircraft that significantly reduce travel time on the world's busiest routes. Our flagship aircraft, Alta, allows travelers to bypass the congestion of major airports by utilizing city helipads and local airports for journeys under 1,000 miles—representing approximately 40% of all flights. Remarkably, our aircraft can reduce CO2 emissions by an average of 76% over tens of billions of flight miles globally.To achieve these goals, we have launched our UAV, Laila, designed for various applications including commercial logistics, medical transport, humanitarian aid, disaster relief, and defense missions. We are proud to collaborate with launch partners such as Fiji Airways, Honeywell, Aramex, and the US Navy, with first deployments scheduled for 2026 and existing orders already in place.Our team comprises skilled engineers from deep tech and aerospace backgrounds, committed to rapid iteration cycles and expertise in the aircraft certification process. Our collective experience includes developing custom drones, bringing multiple automotive platforms to production, and electrifying a range of transportation vehicles—vehicles that levitate, roll, and fly. We have dedicated our lives to mastering this challenge.Role OverviewOdys Aviation is on the lookout for a Junior to Mid-Level Mechanical & Thermal Design Engineer to bolster our Propulsion Team. In this dynamic role, you will be responsible for the design, analysis, and integration of mechanical and thermal systems that are critical to our high-power hybrid-electric propulsion systems, which include motors, generators, inverters, turbines, and their associated structures and cooling mechanisms.You will collaborate closely with electrical, manufacturing, testing, and flight teams to advance hardware from initial concepts through prototype development, testing, and iterative refinement. This role emphasizes hands-on involvement and offers substantial ownership and a robust growth trajectory as our propulsion systems evolve.

Role overview The Spacecraft Thermal Engineer II/Senior Pipeline position at Rocket Lab in Long Beach, CA centers on designing and analyzing thermal systems that are essential for spacecraft performance and mission reliability. The work has a direct impact on the safety and success of Rocket Lab’s missions. What you will do Create thermal systems for spacecraft, considering both mission requirements and engineering limits Analyze and model how thermal systems perform to keep spacecraft components within safe temperature ranges Apply technical expertise to address complex thermal engineering problems Requirements Strong interest in aerospace and spacecraft systems Background in thermal analysis and design, through experience or education Drive to work on challenging projects that influence the outcome of space missions

At Vast, we are on a mission to shape a future where humanity thrives beyond Earth. We are pioneering the development of cutting-edge space stations that will ensure a sustained human presence in space for the United States and its allies. By enabling advanced microgravity research and manufacturing, we are unlocking a new era of space economy for government, corporate, and private clients. With an innovative, hardware-rich, and cost-effective approach, we are rapidly advancing our multi-module Haven Station. Our successful Haven Demo in 2025 established Vast as the only active commercial space station company capable of flying and operating its own spacecraft. The upcoming Haven-1 is set to be the world’s first commercial space station, paving the way for additional Haven modules to facilitate permanent human habitation by 2030. Our team is dedicated to executing our mission with safety and timeliness. If you aspire to collaborate with the brightest minds on Earth to further space exploration for humanity, we invite you to join us.We are currently seeking a Manager of Thermal Control Systems, who will report to the Senior Manager of Thermal Control Systems Hardware. In this pivotal role, you will oversee the development of the thermal and fluid systems essential for artificial gravity and long-term human habitation in space. You will lead a talented team of mechanical engineers while directly contributing to system architecture, design, and testing. Your work will be integral in creating mission-critical hardware designed to function flawlessly in orbit, significantly advancing human-rated spaceflight.This full-time, exempt position is located in Long Beach, CA.

Join Relativity Space as a Staff Thermal Analyst specializing in propulsion systems. In this pivotal role, you will leverage your expertise to analyze and solve complex thermal challenges in rocket propulsion. Collaborate with a dynamic team of engineers in a fast-paced environment, driving innovative solutions that will push the boundaries of aerospace technology.

At Vast, we are on a mission to pioneer a future where millions thrive in space. We are at the forefront of developing advanced space stations that ensure a sustained human presence in outer space, facilitating cutting-edge microgravity research and manufacturing. Our innovative approach is set to unlock a new space economy that benefits government, corporate, and private customers alike. With the successful launch of Haven Demo in 2025, Vast has distinguished itself as the only commercial space station company to operate its own spacecraft. The upcoming Haven-1 is poised to be the first commercial space station globally, with additional modules planned for a permanent human presence by 2030. If you are looking to collaborate with some of the brightest minds in the industry and contribute to humanity's exploration of space, we invite you to join our dynamic team.We are currently seeking a Thermal Controls Systems Technician II to join our team, reporting directly to the Manager of Thermal Test Engineering. This role is essential in supporting the design and development of systems necessary for constructing artificial-gravity, human-rated space stations.This is a full-time, non-exempt position based in our Long Beach, California facility.

At Relativity Space, we are revolutionizing the aerospace industry by designing and constructing rockets that meet current demands and pave the way for future innovations. Our Terran R vehicle is set to deliver customer payloads to orbit, addressing the increasing need for launch capacity. This is merely the beginning; achieving commercial success with Terran R will open new avenues for scientific advancement, exploration, and groundbreaking innovations that extend beyond our existing understanding.Joining Relativity means becoming part of an environment where autonomy, ownership, and impactful contributions are paramount. Here, you won't merely perform tasks; you'll tackle unprecedented challenges, contributing to the development of a rocket, a factory, and an entire business from the ground up. Regardless of whether you are in propulsion, manufacturing, software, avionics, or a corporate role, collaboration across teams is essential, allowing you to influence decisions and witness your contributions come to life in record time. Relativity fosters a culture where creativity and technical excellence coexist, and your insights will shape the narratives we create together. This is a unique moment where you can leave a lasting impact on our product, processes, and culture, as the Terran R project gains momentum and becomes more tangible. The most fulfilling work of your career awaits. Join us.About the Team: The Structures and Mechanisms team oversees the entire design, production, and testing lifecycle of Terran R's integrated structures and flight mechanisms. Whether you are developing sophisticated mechanisms that facilitate movement or designing tight-margin structures, you'll have hands-on ownership of hardware and witness the rocket taking shape on the factory floor. Both teams work cohesively under one department, sharing design principles, tools, and an integrated approach that offers a holistic perspective of Terran R. Team members engage with multiple components rather than being limited to a single subsystem, empowering them to make decisions that significantly influence flight hardware. Beyond the first flight, you will play a vital role in enhancing manufacturability and efficiency.

Role overview True Anomaly Inc. seeks a Senior Compliance Engineer to join the team in Denver, CO, Long Beach, CA, or Washington, DC. The position centers on maintaining alignment between company systems, processes, and industry regulations. What you will do Create and refine compliance frameworks that fit the organization’s needs Carry out audits to evaluate how well standards are being met Collaborate with teams throughout the company to spot and address risks Help strengthen operational effectiveness by applying compliance best practices

At Relativity Space, we are revolutionizing the aerospace industry by constructing advanced rockets that meet the demands of today while paving the way for tomorrow's discoveries. Our Terran R vehicle is designed to transport payloads into orbit, addressing the increasing need for launch capacity. This is just the beginning; achieving commercial success with Terran R will open doors to new possibilities in science, exploration, and innovation, pushing the boundaries of what we know.By joining Relativity, you will engage in a culture that values autonomy, ownership, and significant impact at every level. Here, you will not merely fulfill tasks; you will tackle unprecedented challenges, contributing to the development of rockets, manufacturing processes, and a dynamic business environment from the ground up. Whether your expertise lies in propulsion, manufacturing, software, avionics, or corporate functions, you will work collaboratively across teams, influence key decisions, and witness your contributions manifest in record time. Relativity fosters an atmosphere where creativity and technical excellence coexist, and your insights will shape the narrative we are crafting together. This is a unique moment to make a lasting impact on our product, processes, and culture, as Terran R gains momentum. The most fulfilling work of your career awaits you. Join us.

Join Relativity, a forward-thinking technology company, as a Senior Dynamics Engineer. In this pivotal role, you will leverage your expertise in Dynamics 365 to design, develop, and implement solutions that enhance our products and services. Collaborate with cross-functional teams to ensure the successful delivery of high-quality software solutions.

At Relativity Space, we are at the forefront of revolutionizing space technology, designing and manufacturing rockets to meet both current demands and future innovations. Our Terran R vehicle is engineered to launch customer payloads into orbit, addressing the increasing need for launch capacity. This is just the beginning; commercializing Terran R will open new avenues for advancing scientific exploration and innovation, pushing the boundaries of what’s possible. By joining Relativity, you become part of a culture that values autonomy, ownership, and impactful contributions at all levels. Here, you won't just be executing tasks; you will be a vital part of solving unprecedented challenges, contributing to the development of a rocket, a factory, and an entire business from the ground up. Whether your expertise lies in propulsion, manufacturing, software, avionics, or corporate functions, you will work cross-functionally, influence key decisions, and witness your contributions come to life swiftly. Relativity is a dynamic environment where creativity and technical excellence coexist, and your input will shape the narrative of our collective journey. This is a unique moment to make a significant impact on our products, processes, and culture as Terran R gains momentum. The most fulfilling work of your career awaits you here. Join us and let’s reach for the stars together.

Alten Technology USA is hiring a Senior Electrical Integration Engineer in Long Beach, California. This position focuses on integrating electrical systems and components to support project goals and maintain high standards of performance and reliability. Role overview The Senior Electrical Integration Engineer will work closely with teams from different disciplines. The main responsibility is to bring together electrical systems and ensure they function smoothly within each project. Attention to detail and a strong understanding of integration challenges are essential. Key responsibilities Integrate electrical systems and components for multiple projects Collaborate with cross-functional teams to design, test, and implement solutions Focus on performance, reliability, and meeting client requirements Collaboration This role involves frequent teamwork with engineers and specialists from other areas. Clear communication and a proactive approach help deliver solutions that align with client needs.

At Relativity Space, we are revolutionizing the aerospace industry by building rockets designed to meet both current and future demands. Our flagship vehicle, the Terran R, aims to deliver customer payloads to orbit, responding to the increasing need for launch capacity. Joining our team means being part of a dynamic environment where you'll take ownership of your work and tackle unprecedented challenges. As a Senior Structures Engineer, you'll play a pivotal role in the design and development of integrated structures and flight mechanisms, contributing to a collaborative atmosphere that fosters innovation at every level. This is your chance to make a significant impact on the future of space exploration and technology.