Astrodynamics Engineer (Multiple)

APEX TK is seeking a highly motivated and skilled Astrodynamics Engineer to join our team supporting a critical government client. This position offers the opportunity to work on cutting-edge projects within the aerospace domain. Responsibilities: - Work with our modeling and simulation team to conduct a wide variety of analyses in support of government satellite programs in all types of Earth orbits - Work with experts in astrodynamics, propulsion systems, launch trajectories, sensing, and High Performance Computing (HPC) - Opportunities to meet with and optionally present findings to local senior government customers - Use programming languages such as Python, C++, or others to leverage existing analysis tools and develop new ones - Conduct independent trade studies and technical assessments - Review and validate algorithms and results provided by external teams - Develop and present technical briefings - Depending on their interests and skills the applicant may work on one or more of: - Strategies for significant orbit changes - Multi-satellite Rendezvous and Proximity Operations (RPO) - Leverage Space Domain Awareness (SDA) sensor data to perform Orbit Determination on maneuvering satellite Required Qualifications: - 2-10 years of relevant experience. - Bachelor’s Degree in a STEM related field such as Engineering, Mathematics, Physics, Aerospace, Computer Science, etc. - Active Top Secret/SCI w/ CI Poly Clearance - Experience performing space-related engineering analysis (collecting, organizing, analyzing data) using one or more of the following: C++, Python, R, SQL, PostgreSQL, Linux, MATLAB, VBA, or STK - Ability to communicate findings and recommendations to internal and external customers - Solid understanding of orbital mechanics and space systems. - Experience with phenomenological models, including a demonstrated ability to model relevant physical phenomena and validate those models. Preferred Qualifications: - Master's degree in a STEM related field. - Experience with other simulation tools and programming languages.