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Senior Systems Engineer   Location:  Gravitics – Seattle WA, Colorado, (with future travel/support to other company locations as required)   Department:  Engineering   Reports To:  Head of Engineering   About Gravitics    At Gravitics, we're not exploring space - we're building it. We're creating the infrastructure for a thriving space economy, enabling humanity to flourish beyond Earth. Our vision is bold, but we're not just dreamers; we're doers. We design and manufacture large-scale orbital structures that enable commercial operations while meeting the requirements of defense and government missions.    Our systems are built to scale and built to last—bridging commercial innovation with mission-critical performance. If you're ready to lay the foundations for a new era in space, embrace a culture of relentless learning and innovation, and contribute to a future where humanity's reach extends farther, Gravitics is the place for you. Let's build the future together.     About the Role   We are seeking a highly capable Systems Engineer to support technical execution of the commercial spacecraft program from architecture development through qualification, integration, test, launch, and mission operations. This role sits at the center of the program and works directly with Chief Engineers, subsystem leads, Program Management, Manufacturing, Integration & Test, Mission Assurance, and suppliers to ensure the spacecraft functions as an integrated system — not just a collection of subsystems. The ideal candidate is technically broad, execution-focused, comfortable in ambiguity, and able to balance engineering rigor with program realities including schedule, manufacturability, integration flow, and risk. This position will support development of human-rated spacecraft systems and therefore requires strong systems thinking, configuration discipline, verification planning, and cross-functional leadership.   Responsibilities   Support development and management of spacecraft system architecture, requirements, interfaces, and verification approaches for the program   Translate mission and program objectives into clear subsystem and vehicle-level technical requirements   Develop and maintain system specifications, interface control documents (ICDs), CONOPS, verification matrices, and technical baselines   Drive technical integration across:   Structures and mechanisms   Pressure systems   Propulsion systems   Avionics and software   Thermal systems   ECLSS / crew environment considerations   Docking and payload interfaces   Ground systems and GSE   Support program technical reviews including:   SRR   PDR   CDR   TRR   FRR   Coordinate system-level trades balancing:   Performance   Mass   Safety   Reliability   Manufacturability   Testability   Schedule and cost impacts   Work closely with Manufacturing and Integration & Test teams to ensure designs are producible, inspectable, and verifiable   Support development of system verification and validation plans including qualification, acceptance, protoflight, and integrated vehicle testing   Participate in anomaly resolution, failure investigations, and risk reduction activities   Support hazard analysis, FMEA/FDIR activities, and human-rating related assessments   Ensure configuration control and technical baseline integrity throughout the program lifecycle   Interface with cu