Job Description
York Space Systems was founded to radically improve spacecraft affordability and reliability, transforming, and enabling next- generation space mission operations worldwide. Today, York is one of the most innovative aerospace companies, specializing in end-to-end customer solutions and the rapid production of spacecraft platforms. York's complete Space Segment Solution includes spacecraft production, payload integration, system integration & test, launch services, ground segment services, and mission operations, enabling customers to leverage York's existing technology solutions to get to orbit rapidly and responsively. We're looking to expand our team across the board. York Space Systems is seeking a Senior GNC/ACS Engineer to lead the design, analysis, integration, and on-orbit support of spacecraft guidance, navigation, and attitude control systems across a range of commercial and national security missions. This individual will serve as a technical leader within the ACS team, working across multiple programs to define subsystem architecture, develop algorithms and models, support verification and flight operations, and mentor junior engineers. RESPONSIBILITIES Lead the analysis, design, and development of spacecraft attitude determination and control algorithms, simulations, and system models. Own ACS/GNC requirement decomposition, allocation, verification planning, and performance assessment from mission-level requirements through subsystem implementation. Lead trade studies for sensors, actuators, control architectures, estimation approaches, and mission-specific ACS/GNC concepts of operation. Define and maintain high-fidelity simulation environments to support design, integration, test, and mission operations. Lead software-in-the-loop, processor-in-the-loop, hardware-in-the-loop, and other integrated verification activities for ACS/GNC functionality and performance.