Senior Propulsion Technician II, Second Shift

Relativity Space
Long Beach, CaliforniaPosted 24 February 2026

Job Description

<div class="content-intro"><p><span style="font-family: arial, helvetica, sans-serif; font-size: 10pt;">At Relativity Space, we’re building rockets to serve today’s needs and tomorrow’s breakthroughs. Our Terran R vehicle will deliver customer payloads to orbit, meeting the growing demand for launch capacity. But that’s just the start. Achieving commercial success with Terran R will unlock new opportunities to advance science, exploration, and innovation, pioneering progress that reaches beyond the known.</span></p> <p><span style="font-family: arial, helvetica, sans-serif; font-size: 10pt;">Joining Relativity means becoming part of something where autonomy, ownership, and impact exist at every level. Here, you're not just executing tasks; you're solving problems that haven’t been solved before, helping develop a rocket, a factory, and a business from the ground up. Whether you’re in propulsion, manufacturing, software, avionics, or a corporate function, you’ll collaborate across teams, shape decisions, and see your work come to life in record time. Relativity is a place where creativity and </span><span style="font-family: arial, helvetica, sans-serif; font-size: 10pt;">technical rigor go hand in hand, and your voice will help define the stories we’re writing together. Now is a unique moment in time where it’s early enough to leave your mark on the product, the process, and the culture, but far enough along that Terran R is tangible and picking up momentum. The most meaningful work of your career is waiting. Join us.</span></p></div><p></p> <p><span style="font-family: arial, helvetica, sans-serif; font-size: 10pt;"><strong><span data-contrast="none">About the Team: </span></strong></span></p> <p><span style="font-family: arial, helvetica, sans-serif; font-size: 10pt;">The engine manufacturing department's mission is to product high performing products manufacturing systems by continuously innovating on cost, quality, and lead time. Through cross-functional collaboration, high levels of accountability, and a focus on safety we support the Terran R program. We are responsible for providing design feedback on new hardware iterations, developing new manufacturing methods and systems, and ultimately building engine and vehicle hardware for testing prior to our first launch. Our team's highlights from the last 6 months include the MDC of the first Aeon-R engine, completing thousands of hours of PBF printing, building and testing over 50 valves of 26 different iterations, and implementing large scale process improvements along the way.</span></p> <p><span style="font-family: arial, helvetica, sans-serif; font-size: 10pt;"><strong>About the Role:</strong></span></p> <p><span style="font-family: arial, helvetica, sans-serif; font-size: 10pt;">As a Senior Propulsion Technician, you will be on the front line of fabrication and assembly of the Aeon-R engine, as well as scaling manufacturing operations. This is a unique opportunity to join an experienced team and build the skills necessary to create robust and highly tuned engine systems. You will be hands-on with hardware from day 1, so strong attention to detail and drive to grow your skills are necessary traits for the role. You will interpret work instructions and engineering drawings to complete the necessary tasks, while providing valuable feedback to the team on necessary improvements. This role will be involved in several in-house processes and support resources such as precision cleaning, hydrostatic proof testing, flow testing, and engine assembly.</span></p> <p><span style="font-family: arial, helvetica, sans-serif; font-size: 10pt;">In order to be successful in this role, you must be someone who thrives in ambiguity and is able to efficiently complete the task at hand. You must have the passion, tenacity, and resolve to work through challenging issues unique to rocket engines. You are someone who has come from a fast-paced manufacturing environment, preferably in the space in ... (truncated, view full listing at source)