<p>RESPONSIBILITIES</p> <ul> <li>Own all aspects of Guidance, Navigation, and Control (GNC) system development, including architecture definition, algorithm design, verification, hardware integration, and on-orbit operations. </li><li>Design, test, and validate GNC flight software and embedded algorithms for spacecraft operating in LEO, GEO, and other orbit regimes. </li><li>Develop and maintain spacecraft Attitude and Orbit Determination & Estimation (AOD/AOE) algorithms, including sensor fusion and filtering frameworks (e.g., EKF, UKF, batch least-squares). </li><li>Conduct trade studies and provide design recommendations for GNC hardware such as reaction wheels, torque rods, thrusters, star trackers, sun sensors, IMUs, and RF/optical navigation sensors. </li><li>Develop GNC algorithms and implement them in flight software; verify performance and robustness through high-fidelity simulation, Monte Carlo analysis, and hardware-in-the-loop testing. </li><li>Design, implement, and improve high-fidelity 6-DOF simulation environments for SIL, HIL, and advanced mission analysis. </li><li>Utilize and enhance frequency-domain and time-domain control analysis tools to ensure stability margins, disturbance rejection, and performance in off-nominal conditions. </li><li>Define system- and subsystem-level GNC requirements, interfaces, and verification plans in collaboration with systems engineering. </li><li>Work cross-functionally with avionics, propulsion, software, mission operations, and systems teams to ensure seamless integration of GNC functionality. </li><li>Support on-orbit commissioning, system calibration, maneuver planning, and anomaly resolution throughout mission operations. </li></ul> <p>QUALIFICATIONS</p> <ul> <li>Bachelor's degree in aerospace engineering, mechanical engineering, physics, or related field </li><li>0 - 6 years of relevant GNC Engineering experience in the aerospace and defense industry </li><li>Coursework or project experience in spacecraft attitude dynamics, orbital mechanics, and control systems </li><li>Strong understanding of physics, attitude dynamics, orbital mechanics, and software development principles </li><li>Internship or project experience in GNC, control systems, or simulation development </li><li>Experience with?C++ and/or Python?for algorithm development, numerical methods, or simulation </li><li>Familiarity with spacecraft GNC concepts, such as sensors, actuators, state estimation, and control laws </li><li>Exposure to filtering or estimation methods (e.g., Kalman filters) through internships, coursework, or projects </li><li>Ability to build, test, and debug software and simulation tools </li><li>Strong analytical skills and ability to work effectively in a multidisciplinary engineering environment </li><li>Demonstrated ability to take ownership of tasks and learn new concepts quickly </li></ul> <p>PREFERRED SKILLS AND EXPERIENCE</p> <ul> <li>Master's degree in aerospace engineering or equivalent discipline </li><li>4+ years experience developing and/or producing GNC systems for space applications </li><li>Experience with closed-loop control, orbital maneuvering, filtering, state estimation, fault management, and software development </li><li>Experience developing simulation environments for spaceflight physics </li><li>Experience with flight operations and solving problems real-time on console </li><li>Experience performing line of sight performance analysis such as jitter, smear, and pointing accuracy </li><li>Experience doing hands-on GNC hardware testing </li><li>Ability to maintain or obtain TS//SCI US government security clearance </li></ul> <p>COMPENSATION</p> <ul> <li>Base Salary: $75,000 - $125,000 </li><li>Equity + Benefits including Health, Dental, Vision, HRA/HSA options, PTO and paid holidays, 401K, Parental Leave </li></ul> <p>Your actual level and base salary will be determined on a case-by-case basis and may vary based on the following considerations: job-related knowledge and skills, education, location, and experience.</p> <p>ADDITIONAL REQUIREMENTS</p> <ul> <li>Work Location-Successful candidates will be located near Long Beach, Denver or Colorado Springs. While we observe a hybrid work environment, some work must be done on site. </li><li>Work environment-the work environment; temperature, noise level, inside or outside, or other factors that will affect the person's working conditions while performing the job. </li><li>Physical demands-the physical demands of the job, including bending, sitting, lifting and driving. </li></ul> <p>This position will be open until it is successfully filled. To submit your application, please follow the directions below.</p> <p>#LI-Hybrid</p>