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At Vast, our mission is to contribute to a future where billions of people are living and thriving in space. Vast is developing next-generation space stations to ensure a continuous human presence in space for America and its allies, enabling advanced microgravity research and manufacturing, and unlocking a new space economy for government, corporate, and private customers. Using an incremental, hardware-rich and low-cost approach, Vast is rapidly developing its multi-module Haven Station. Haven Demo’s 2025 success made Vast the only operational commercial space station company to fly and operate its own spacecraft. Next, Haven-1 is expected to become the world’s first commercial space station when it launches, followed by additional Haven modules to enable permanent human presence by 2030. Our team is all-in, committed to executing our mission safely and on time. If you want to work with the most talented people on Earth furthering space exploration for humanity, come join us. At Vast, our mission is to contribute to a future where billions of people are living and thriving in space. Vast is developing next-generation space stations to ensure a continuous human presence in space for America and its allies, enabling advanced microgravity research and manufacturing, and unlocking a new space economy for government, corporate, and private customers. Using an incremental, hardware-rich and low-cost approach, Vast is rapidly developing its multi-module Haven Station. Haven Demo’s 2025 success made Vast the only operational commercial space station company to fly and operate its own spacecraft. Next, Haven-1 is expected to become the world’s first commercial space station when it launches, followed by additional Haven modules to enable permanent human presence by 2030. Our team is all-in, committed to executing our mission safely and on time. If you want to work with the most talented people on Earth furthering space exploration for humanity, come join us. Vast is looking for a Propulsion Design Reliability Engineer , reporting to the Sr. Manager of Design Reliability , to guide the design, verification, and validation of Haven-1, an  the world's first commercial human-rated space station.. As a Propulsion Design Reliability Engineer, you will ensure the propulsion system on Haven-1 is appropriately designed and functions reliably, without failure, over their intended lifespan by integrating reliability principles directly into the design process. You will drive Failure Modes and Effects Analysis (FMEA), guide test plan definition and review verification & validation data, and facilitate design teams to prevent failures before manufacturing. You will work closely with hardware teams to ensure build practices meet design intent, define test methodologies, and analyze field data to improve design robustness. You will be responsible for shepherding the Haven-1 propulsion system through detailed design and transitioning the space station from design,  to a built and tested station ready to host humans in space.  This will be a full-time , exempt position located in our Long Beach location.  Technical Leadership:  Guide design of the propulsion systems for a large scale space station. Cultivate Vast's understanding of static and dynamic loads, vibrations, thermal, combustion and other propulsion considerations to drive design decisions.  Lead the technical reviews providing clear, decisive guidance of mechanical design and analysis, manufacturing drawings, test plans, concept of operations, during milestone design reviews and major risk gates. Provide critical peer review and approval of hardware designs during design reviews, and of acceptance and qualification test campaigns Ensure that the Vast's design process & design criteria/requirements are being followed for flight, launch, and ground support systems. Set the standard for acceptance and qualificat