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ABOUT ROCKET LAB Rocket Lab is an end-to-end space company delivering responsive launch services, complete spacecraft design and manufacturing, payloads, satellite components, and more – all with the goal of opening access to space. The rockets and satellites we build and launch enable some of the most ambitious and vital space missions globally, supporting scientific exploration, Earth observation and missions to combat climate change, national security, and exciting new technology demonstrations.   Our Electron rocket has become the second most frequently launched U.S. rocket annually and has delivered more than 230 satellites to orbit, all while we work to develop Neutron, our upcoming medium-lift, reusable launch vehicle for larger constellation deployment. Our Space Systems business designs and builds our extensive line of satellites, payloads, and their components, including spacecraft that have been selected to support NASA missions to the Moon and Mars and components used on the James Webb Space Telescope.  SPACE SYSTEMS The Space Systems Propulsion team is responsible for developing and delivering qualified, flight-ready space vehicle propulsion systems. The team takes on  cradle-to-grave ownership of systems  and  components. F rom mission requirement through detailed design ,  qualification ,  integration ,  and   on orbit operation. Examples of past work include the Curie and HyperCurie engines , and the ESCAPADE , Winnebago,  and Victus Haze  spacecraft propulsion systems . Currently the team is working on  developing new products for both Electric Propulsion  ( Gauss ) and  chemical propulsion.     The team consists of development engineers and development technicians with a range of experience and skillsets ,  span ning  systems engineering, design, build, test , and operations .  The common thread across all members of the team is  end-to-end ownership and  the ability to work hands-on with  development, qualification, and flight hardware. Team members interface regularly with stakeholders across the company, including GNC, Manufacturing Engineering, Production, Flight Software, Thermal, Structur es , and others.   SENIOR PROPULSION COMPONENTS DEVELOPMENT ENGINEER The Senior Development Engineer position at Rocket Lab's Space Systems Propulsion team focuses on leading the end-to-end development of fluid system components for spacecraft propulsion systems, from initial concept through flight operation. The role combines technical leadership responsibilities—including CAD design, testing, and mentoring—with project management duties such as stakeholder communication and schedule management. WHAT YOU’LL GET TO DO: Owning development of new or existing products or systems, acting as technical  lead  to guide team through end-to-end development process . Conceptual and detailed designs in CAD for propulsion system components as well as calculations, analysis, and system designs. Prototyping and development testing your designs  as well as  supporting  procurement and production of hardware for development and production.  Your work will be on flight hardware and the tooling and test rigs required to develop and qualify them. Review  and approval of others’   drawings ,  3D PMI , reports, and  specifications . General systems engineering tasks including r equirements gathering and definition  as well as   c ommunicating with internal and external project stakeholders Project management including schedule building and maintenance, identifying risk  and priority, and  providing tasking to others on the project Mentorship and coaching of people within the team on technical and professiona