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Senior Power Systems Engineer   A bout 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’re  looking for exceptional engineers to take full ownership of the product lifecycle for an in-space electrical power system from  initial  design through build, integration, and deployment. In this role, you will lead the development of a robust, mission-critical power system engineered to perform reliably regardless of the mission.   Responsibilities   Design, build, and  test  electrical power subsystems for flight hardware in orbital environments    Define and maintain power system requirements and perform architecture-level design trades    Analyze and validate power system performance against requirements through modeling, simulation, and testing    Perform solar array sizing, including shading, peak, and average power analyses for orbital missions    Assess radiation effects on electronics and develop mitigation strategies    Conduct fault tolerance, redundancy, and reliability analyses for power systems   Work cross-functionally with structures, thermal, avionics, and GNC teams to ensure power system compatibility with vehicle-level performance   Support environmental qualification and acceptance testing, including thermal-vacuum, vibration, and leak/proof pressure testing   Contribute to vehicle layout and packaging decisions, accounting for radiation exposure and thermal environments   Interface with external vendors and suppliers, owning technical coordination, component sourcing, and qualification to ensure delivered hardware meets performance, quality, and schedule requirements   About You   You’re  a successful candidate if you are a giver, not a taker. You make things happen. You are exceptional at several things, yet willing to take on efforts in areas of weakness.    Required Qualifications   Bachelor’s degree in Electrical Engineering  or a closely related ABET-accredited discipline    5+ years of experience in power converter or electrical power system development    Proficiency in designing and testing of 1-10 kW power systems    Familiarity with power system packaging, integration, and testing for space environments    Strong problem-solving skills and the ability to collaborate effectively across multidisciplinary teams    Comfortable working in fast-paced environments with evolving priorities    Bonus Points For   Master’s degree in Electrical Engineering  or a related field    Experience with fault-tolerant design and FMECA for safety-critical systems    Background working in configuration-controlled or safety-critical aerospace environments    Pr