Support On-Orbit Test activities including mission planning, scenario development, dry-run/rehearsal and test execution. Work closely with vendors, cognizant engineers, subject matter experts, orbital analysists, and systems engineers to ensure overall test plan is realistic, achievable, and meets customer intent. Support/lead analysis on test feasibility while considering limits, constraints, estimated fuel usage, vehicle capabilities - while also incorporating overall test community objectives Support on-console operations during On-Orbit Test activities as either Test Director, Test Specialist, or other necessary position Support planning and execution of various stakeholder meetings including test plan working groups, review boards, readiness reviews, and technical exchange meetings. Work CDRL development/review for test plans, test procedures, and test reports Bachelor's degree with 5 years of professional experience in STEM field or mechanical, electrical, aerospace or operations - OR - Master's degree with 3 years of professional experience - OR - PhD with 1 year of professional experience Requires an active U.S. Government DoD Top-Secret security clearance at time of application, current and within scope, with the ability to obtain and maintain SCI approval/access Must have experience running physics-based simulations and post-processing results Strong background in astrodynamics and orbital mechanics. Knowledge of fundamental numerical propagators and force models for earth-orbiting space vehicles Understanding of relative motion problems and mission planning for RPO missions Experience using COTS astrodynamics analysis tools (FreeFlyer preferred) Familiarity with GNC algorithms for satellites Understanding of navigation filters and image processing techniques/algorithms Knowledge and experience in satellite operations engineering disciplines to include attitude control, power management, thermal control, propulsion, command and data handling, flight and ground software, and anomaly determination and resolution Ability to troubleshoot and correct problems in a dynamic environment Have firm knowledge/previous experience with rendezvous and proximity operations, reference frames, orbital/advanced orbital mechanics, astrodynamics in order to perform mission/test planning with limited oversight ​Experience writing technical documents for external customers Proficient in Python and/or MATLAB. C or C++ would be preferred Prior aerospace-related work experience for a U.S Government Agency or Contractor Have an extensive comprehension of different astrodynamics coordinate frames such as ECI and RIC Background/fundamental understanding of performing statistical analysis Previous experience supporting mission simulation, scripting, and verification activities. Previous experience with troubleshooting, anomaly resolution and performing analysis on operational systems