Senior Thermal Analyst, Propulsion

Rocket Lab builds launch vehicles and satellites to make space more accessible. The company supports a range of missions, from scientific research and climate initiatives to national security and technology demonstrations. Its Electron rocket ranks as the second most frequently launched U.S. rocket each year, with over 230 satellites delivered to orbit. Rocket Lab is also working on Neutron, a medium-lift, reusable rocket designed for larger constellation deployments. The Space Systems division provides satellites, payloads, and components for high-profile missions, including those for NASA and the James Webb Space Telescope. The Business Development team connects government and commercial clients with Rocket Lab’s launch and space systems solutions. This group works closely with customers to understand their needs, develop tailored offerings, and maintain strong relationships. Collaboration with engineering and operations teams is central, as is staying informed about industry trends and delivering results for both clients and the company. Role overview The Director of Business Development - Satellite Propulsion is based in Long Beach, CA, at Rocket Lab’s headquarters. This leader oversees all business development activities for propulsion products, including electric propulsion systems and propellant tanks. The position also supports senior leadership and the Business Development team by preparing and presenting information and insights for the Board of Directors and investors. Key responsibility Lead business development for Rocket Lab’s propulsion products, driving growth and advancing innovation in satellite propulsion.

Join Relativity Space as the Manager of Propulsion Development Engineering, where you will lead innovative projects in rocket propulsion systems. Your expertise will guide our team in developing cutting-edge technologies that redefine aerospace. This role requires a strategic thinker with a passion for engineering and a drive for excellence.

Join Relativity Space as a Senior Propulsion Technician and play a pivotal role in revolutionizing space technology. In this position, you will be responsible for testing, assembling, and troubleshooting propulsion systems, working closely with our engineering teams. Your expertise will contribute to our mission of building the world’s first fully 3D-printed rocket.

Join Relativity Space as a Senior Propulsion Engineer within our Integrated Design team, where innovative minds collaborate to revolutionize the aerospace industry. In this advanced role, you will leverage your expertise to design, develop, and optimize propulsion systems for our next-generation launch vehicles. Your contributions will play a vital role in enhancing our capabilities and driving the success of our missions.

Join Relativity Space as a Supervisor of Propulsion Technicians, where you will lead a dynamic team dedicated to revolutionizing space technology. In this role, you will oversee daily operations, ensuring high standards of safety, quality, and efficiency in the propulsion department.

About Odys AviationAt Odys Aviation, our mission is clear: we are committed to 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 common frustrations of large airports by utilizing city helipads and local airports for journeys under 1,000 miles—representing approximately 40% of all flights. This innovative approach also contributes to a notable average reduction of 76% in CO2 emissions across billions of flight miles.To achieve our vision, we have initiated the development of our UAV, named Laila, aimed at revolutionizing commercial logistics, medical transport, humanitarian assistance, disaster relief, and defense operations. We are collaborating with reputable launch partners including Fiji Airways, Honeywell, Aramex, and the US Navy, with our first deployments set for 2026 and firm orders already secured.Our team comprises seasoned engineers from both deep tech and aerospace sectors, dedicated to rapid iteration processes and mastering the aircraft certification journey. Our collective experience includes developing custom drones, producing multiple automotive platforms, and innovating electrified transportation solutions—from those that levitate magnetically to those that fly. We have been honing our skills and expertise throughout our careers to meet this exciting challenge.Key ResponsibilitiesUtilize fundamental electrical engineering principles to design, assess, and enhance electrical systems and subsystems.Develop and execute battery test profiles, including performance assessment and validation tasks.Aid in the development of Battery Management System (BMS) hardware and software, focusing on safety and protection features.Create and document aircraft-grade wire and cable harnesses utilizing Rapid Harness or comparable tools.Construct, assemble, modify, test, and troubleshoot prototype and production-level harnesses and electrical assemblies.

At Relativity Space, we are revolutionizing the aerospace industry by creating innovative rockets designed to meet the demands of today while paving the way for future breakthroughs. Our Terran R vehicle is set to deliver customer payloads to orbit, addressing the increasing need for launch capacity. This is only the beginning; achieving commercial success with Terran R will open new avenues for scientific advancement, exploration, and innovation, driving progress beyond the limits of our current understanding.Joining Relativity means becoming part of a culture where autonomy, ownership, and impact are integral to every role. Here, you won’t just be executing tasks; you will be tackling unprecedented challenges, contributing to the development of rockets, factories, and an entire business from the ground up. Whether your expertise lies in propulsion, manufacturing, software, avionics, or corporate functions, you will collaborate across teams, influence decisions, and witness your contributions come to fruition in record time. Relativity is where creativity meets technical excellence, and your insights will help shape the narrative of our collective journey. Now is an exceptional moment to leave a lasting impact on our products, processes, and culture, as Terran R evolves into a tangible and dynamic entity. The most fulfilling work of your career awaits. Join us.About the Team: The Propulsion team at Relativity is dedicated to the development and delivery of high-performance, manufacturable engines for the Terran R. Engineers within this team are responsible for the entire lifecycle of their components, from initial design through production, qualification, and flight. We cultivate a culture of inclusive decision-making, free from technical barriers, where accountability and ownership are paramount. Designing engines capable of producing over a quarter million pounds of thrust is just the beginning. As we transition to qualification of the flight configuration, our team is actively exploring enhancements for future engines, including thrust upgrades, new operational cycles, and design optimizations for mass production.About the Role:

At Relativity Space, we are revolutionizing the aerospace industry by developing innovative rockets that address the demands of today and the possibilities of tomorrow. Our Terran R vehicle is designed to deliver customer payloads to orbit, responding to the increasing need for launch capacity. This is just the beginning. The success of Terran R will pave the way for groundbreaking advancements in science, exploration, and innovation, pushing the boundaries of what is known.When you join Relativity, you become part of a dynamic environment where autonomy, ownership, and impact are encouraged at every level. Here, you will not merely complete tasks; you will tackle unprecedented challenges, contributing to the development of a rocket, a factory, and a thriving 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 work materialize at incredible speed. Relativity fosters an atmosphere where creativity and technical excellence coexist, and your input will help shape the narrative we are creating together. This is a remarkable opportunity to leave your imprint on the product, the process, and the culture, as Terran R gains traction. The most significant work of your career awaits you. Join us.About the Team: Our engine manufacturing department is dedicated to creating high-performance products and manufacturing systems by consistently innovating in cost, quality, and lead time. Through collaboration across functions, a commitment to accountability, and a focus on safety, we support the Terran R program. We provide essential design feedback on new hardware iterations, develop novel manufacturing methods and systems, and ultimately produce engine and vehicle hardware for testing ahead of our inaugural launch. Highlights from our team in the past six months include the manufacturing and development of the first Aeon-R engine, completing thousands of hours of PBF printing, building and testing over 50 valves across 26 different iterations, and implementing significant process improvements along the way.

ABOUT ROCKET LABRocket Lab is a pioneering end-to-end space solutions provider dedicated to making space accessible. We offer responsive launch services, comprehensive spacecraft design and manufacturing, payloads, satellite components, and more. Our mission is to facilitate scientific exploration, Earth observation, and vital initiatives addressing climate change and national security. Our innovative rockets and satellites enable some of the most ambitious space missions globally.Our Electron rocket has gained recognition as the second most frequently launched U.S. rocket each year, successfully delivering over 230 satellites to orbit. We are also developing Neutron, a medium-lift, reusable launch vehicle designed for deploying larger satellite constellations. Our Space Systems division designs and manufactures a diverse range of satellites, payloads, and components, including those chosen to support NASA missions to the Moon and Mars and elements utilized in the James Webb Space Telescope.NEUTRONNeutron is set to revolutionize space launch capabilities with its medium lift capabilities, designed for tomorrow's mega-constellations, high assurance payloads, and human spaceflight. This highly reusable platform promises a cost-effective and reliable solution, leveraging our proven track record with the Electron program. Join our high-performing team to push the boundaries in developing reusable liquid launch vehicles!SENIOR / PRINCIPAL PROPULSION ENGINEERIn your role as Senior/Principal Propulsion Engineer, you will be pivotal in the development, testing, and operation of the Archimedes Engine family, integral to the Neutron rocket program. You will be responsible for subsystems and engine operation, leading design, analysis, testing, and operational readiness. Your expertise will guide testing campaigns, data analysis, and design refinements to enhance reliability and operational efficiency.This position requires substantial technical expertise, autonomy, and the ability to synchronize teams and projects to meet program objectives. Principal Engineers are expected to provide substantial value beyond their immediate teams, influencing cross-functional collaborations and contributing to organizational success.

A thrilling new era in space exploration has emerged. At True Anomaly, we are on the lookout for talented and ambitious individuals ready to pioneer cutting-edge technology that addresses the engineering, manufacturing, and operational hurdles of space security and sustainability.OUR MISSIONThe peaceful utilization of space is vital for sustained prosperity on Earth, impacting everything from communications and finance to navigation and logistics. True Anomaly is dedicated to developing innovative technology that merges spacecraft, software, and AI to enhance the capabilities of the U.S., its allies, and commercial partners. We are committed to safeguarding global security by ensuring equitable access to space and promoting sustainability for all.OUR VALUESBe the Offset. We forge asymmetric advantages through creativity and ingenuity.What Would It Take? We challenge the status quo to deliver extraordinary results.It’s the People. Our team is our greatest asset, and together we achieve more.YOUR MISSIONJoin us in revolutionizing spacecraft systems! We are seeking passionate candidates with hands-on engineering experience to advance new technologies in space propulsion and fluid systems. As a Propulsion / Fluids Production Engineer, you will have the chance to develop, implement, and optimize production processes for propulsion and fluid systems across various vehicle types at True Anomaly. You will collaborate closely with engineers, technicians, and other stakeholders to create optimized designs and bring them to life for space missions.

As a Staff Propulsion Test Responsible Engineer at Relativity Space, you will play a crucial role in ensuring the success of our propulsion testing initiatives. Your expertise will guide the design and execution of test plans, ensuring they align with our innovative aerospace projects. You will collaborate with cross-functional teams to drive continuous improvements and ensure safety and efficiency in our test operations.

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 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 Relativity Space, we are revolutionizing the aerospace industry by designing cutting-edge rockets to meet today's demands and pave the way for tomorrow's innovations. Our Terran R vehicle is set to deliver payloads into orbit, addressing the increasing need for launch capabilities. Achieving success with Terran R will not only transform commercial spaceflight but will also open new avenues for scientific exploration and technological advancements. Joining our team means embracing a culture of autonomy, ownership, and significant impact at every level. Here, you will go beyond merely executing tasks; you will tackle unprecedented challenges, contributing to the development of a rocket, a factory, and a pioneering business from the ground up. Collaborate across various disciplines—be it propulsion, manufacturing, software, avionics, or corporate functions—shaping crucial decisions and witnessing your contributions come to fruition in record time. Relativity is where creativity meets technical excellence, and your input will help shape the narrative of our collective journey. Now is an opportune moment to make your mark on our product, processes, and culture, as we advance with tangible momentum on the Terran R. The most impactful work of your career awaits you. Come join us!

True Anomaly develops technology to help protect space as a critical domain for national security. The company builds autonomous spacecraft, advanced payloads, mission software, and space-based interceptors to support the U.S. and its allies in maintaining space superiority. The Propulsion Engineer (Mid-Senior Level) will join a team focused on designing, building, and testing propulsion systems for projects such as Jackal and Space Based Interceptors. This position involves close collaboration with propulsion and other subsystem teams to advance vehicle capabilities for future space missions. Role overview Lead the design, construction, and testing of propulsion systems. Work with cross-functional teams to develop next-generation space vehicles. Contribute technical expertise to projects that enhance space security. Location This role is based in Denver, CO or Long Beach, CA. Values at True Anomaly Be the offset. Creativity and ingenuity drive the search for asymmetric advantages. What would it take? The team challenges conventional thinking to reach ambitious goals. It’s the people. Team members are valued as the company’s greatest asset.

At Relativity Space, we are revolutionizing space travel by building innovative rockets that address both current demands and future possibilities. Our Terran R vehicle is designed to transport customer payloads into orbit, catering to the increasing need for launch capabilities. This is merely the beginning; achieving commercial success with Terran R will pave the way for new advancements in science, exploration, and innovation, enabling us to push the boundaries of what is known.Becoming part of Relativity means joining a team where autonomy, ownership, and impact are integral to every role. Here, you won’t just perform tasks; you will tackle unprecedented challenges, contributing to the development of a rocket, a manufacturing facility, and a thriving business from the ground up. Whether your expertise lies in propulsion, manufacturing, software, avionics, or corporate functions, you will collaborate across teams, influence decisions, and witness your work materialize in record time. At Relativity, creativity and technical precision coexist, and your insights will shape the narrative we are crafting together. This is a unique opportunity to make a significant impact on our product, processes, and culture, at a pivotal moment when Terran R is gaining momentum and becoming a reality. The most fulfilling 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. Engineers within this team oversee the entire lifecycle of their components, from initial design through production to qualification and flight. We cultivate a culture of grassroots decision-making, devoid of technical gatekeeping, where accountability and ownership are paramount. Designing engines capable of producing over 250,000 pounds of thrust is just the beginning. As we move towards flight configuration qualification, the team is actively exploring modifications for future engines, including thrust enhancements, new operational cycles, and designs optimized for mass production.About the Role:

At Relativity Space, we are revolutionizing the aerospace industry by developing advanced rockets that address both current and future demands. Our Terran R vehicle is designed to transport customer payloads into orbit, fulfilling the increasing need for launch capacity. This is only the beginning—our success with Terran R will pave the way for groundbreaking advancements in science, exploration, and innovation, propelling progress beyond the limits of our current understanding.Joining Relativity means becoming a part of a culture that emphasizes autonomy, ownership, and impact at every level. Here, you won’t just perform tasks; you’ll tackle unprecedented challenges, contributing to the creation of rockets, factories, and a thriving business from the ground up. Whether your expertise lies in propulsion, manufacturing, software, avionics, or corporate functions, you will work collaboratively across teams, influence decisions, and witness your contributions materialize rapidly. Relativity is a dynamic environment where creativity and technical precision coexist, giving you a platform to define the narratives we are crafting together. This is a unique moment to make your mark on the product, process, and culture as Terran R gains momentum. The most significant work of your career is waiting for you—come join us!About the Team: The Engine Manufacturing Department is dedicated to producing high-performance products and manufacturing systems through continuous innovation focused on cost efficiency, quality, and lead time. Our team collaborates cross-functionally, maintaining high accountability and a steadfast commitment to safety as we support the Terran R program. We provide critical design feedback on new hardware iterations, develop innovative manufacturing methods, and ultimately construct engine and vehicle hardware for testing in preparation for our inaugural launch. Recent highlights include the successful manufacturing and testing of the first Aeon-R engine, completing thousands of hours of powder bed fusion printing, and implementing large-scale process improvements while building and testing over 50 valves across 26 variations.

At Relativity Space, we are at the forefront of revolutionizing rocket technology to meet the demands of today and unlock breakthroughs for tomorrow. Our flagship Terran R vehicle is designed to deliver customer payloads to orbit, responding to the escalating need for launch capacity. This endeavor is just the beginning; achieving commercial success with Terran R will enable us to propel advancements in science, exploration, and innovation, pushing the boundaries of what is possible.Joining Relativity means becoming part of a dynamic environment where autonomy, ownership, and impactful contributions are integral at every level. Here, you won't just perform tasks; you'll tackle unprecedented challenges, contributing to the development of rockets, factories, 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 work materialize in record time. Relativity is where creativity and technical excellence converge, and your insights will help shape the collective narrative we are crafting together. Now is a pivotal moment to make a lasting impact on our product, processes, and culture, as Terran R gains momentum. The most significant work of your career awaits. Join us!About the Team:The Engine Manufacturing department is dedicated to producing high-performance products and manufacturing systems through continuous innovation in cost, quality, and lead time. We support the Terran R program through cross-functional collaboration, a strong sense of accountability, and unwavering safety standards. Our responsibilities include providing design feedback on new hardware iterations, developing cutting-edge manufacturing methods and systems, and ultimately constructing engine and vehicle hardware for testing prior to our inaugural launch. Recent achievements of our team include the MDC of the first Aeon-R engine, completing thousands of hours of PBF printing, constructing and testing over 50 valves across 26 different iterations, and initiating large-scale process improvements along the way.

A new era in space exploration has emerged. True Anomaly is on the lookout for talented and ambitious individuals to create groundbreaking technology that addresses the engineering, manufacturing, and operational challenges of space security and sustainability.OUR MISSIONThe peaceful utilization of space is crucial for the ongoing prosperity of life on Earth, encompassing areas from communication and finance to navigation and logistics. At True Anomaly, we develop cutting-edge technology at the nexus of spacecraft, software, and AI to elevate the capabilities of the U.S., its allies, and commercial partners. Our commitment is to protect global security by ensuring equitable access to and sustainability in space for everyone.OUR VALUESBe the offset. We foster asymmetric advantages through creativity and ingenuity.What would it take? We question assumptions to achieve remarkable outcomes.It’s the people. Our team is our greatest asset, and we believe we are stronger together.YOUR MISSION As a Fluids and Propulsion Technician, your role will be pivotal in the assembly, integration, and testing of propulsion systems. You will collaborate closely with engineering, manufacturing, and quality assurance teams to transition innovative propulsion systems from initial development through to flight readiness and production scale-up.