Required Skills, Experience, and Education: • Due to facility security requirements, only U.S. citizens are eligible for consideration at this time. • Ability to complete a pre-employment background check and drug screening, which will include, but is not limited to, testing for marijuana use. • This position requires access to federal facilities. Candidates must possess a valid, unexpired Real ID-compliant driver's license or state-issued identification card at the time of hire. If you are unsure whether your ID is Real ID-compliant, please check for the star symbol in the upper portion of your driver's license or state ID. • Must be able to obtain and maintain a U.S. Security Clearance within a reasonable timeframe. • 20 or more years of related work experience OR an equivalent combination of education and experience (Ex. PhD, Master's + 3 or more years' related work experience). • Engineering experience with aircraft, missile, spacecraft, autonomous platform or similar vehicles. • Experience for on-orbit and ground systems operations. • Knowledge in astrodynamics/astrophysics and Guidance, Navigation, & Controls (GN&C). • Proficiency with MATLAB and Simulink. • Proficiency developing GN&C algorithms, models and simulations. • Experience developing with C/C++, Python or C#. • Bachelor of Science degree in Engineering, Engineering Technology (including Manufacturing Technology), Computer Science, Data Science, Mathematics, Physics, Chemistry or non-US equivalent qualifications directly related to the work statement. Desired Skills, Experience, and Education: • Degree in aerospace/aeronautical engineering (BS/MS/PhD). • 10 or more years related technical experience or an equivalent combination of education and experience. • Active Tier 5 (T5) Clearance, formerly known as Single Scope Background Investigation (SSBI) is Preferred. • Experience with spacecraft operations, space environment effects, or hypersonic re‑entry GN&C. • Familiarity with state estimation and sensor fusion (e.g., Kalman filters), GPS/INS, or air data systems. • Background in classical and modern control theory and nonlinear control design. • Model‑based development experience and flight test support. • Prior work on space or hypersonic programs. • Ability to work effectively in broad, minimally defined design spaces and to communicate technical results clearly.