Hiring: Spacecraft GNC Engineer (Early) Company: Apex Location: Los Angeles, CA Job Posted Time: 2026-09-15 12:02:40 Employment Type: Full-time Target Skills & Keywords : Aerospace Engineering, Apex, C, C++, MATLAB, Python, Simulink About the job Experience: •1+ years of professional experience as a GNC Engineer, preferably in the satellite or aerospace industry. Required Skills: •We are seeking a Spacecraft GNC Engineer (Early) •Develop and implement GNC algorithms for satellite systems, including attitude determination and control, orbit determination and control, and precision pointing. •Conduct analysis of spacecraft dynamics and perform simulations to evaluate system performance, stability, and accuracy. •Design, develop, and test spacecraft control systems, including reaction wheels, thrusters, and magnetic torquers, to achieve desired mission objectives. •Partner cross-functionally with spacecraft and payload engineers to define system requirements and ensure GNC system compatibility and integration. •Perform trade studies and make recommendations for optimal GNC configurations, considering factors such as power consumption, mass, and cost. •Develop and execute test plans and procedures for GNC systems, including system-level testing, performance evaluation, and anomaly resolution. •Analyze and interpret spacecraft telemetry data to diagnose and troubleshoot GNC-related anomalies and performance issues. Qualifications: •U.S. Person status is required as this position needs to access export controlled data. •Bachelor's or Master's degree in Aerospace Engineering, Electrical Engineering, or a related field. •Strong knowledge of spacecraft dynamics, orbital mechanics, and control theory. •Operational familiarity with GNC hardware and software components, such as sensors (gyroscopes, accelerometers, star trackers), actuators, and control algorithms. •Knowledge of industry standards and protocols for satellite GNC systems, such as CCSDS, ECSS, and GPS/GNSS. •Strong analytical and problem-solving skills, with the ability to evaluate complex system dynamics and propose effective solutions. •Excellent teamwork and communication skills, with the ability to collaborate effectively with cross-functional teams and stakeholders. •Self-motivated and able to work independently with minimal supervision, as well as in a team-oriented environment. •Attention to detail, organizational skills, and the ability to manage multiple priorities and meet project deadlines. •Apex believes in creating a work environment that you look forward to embracing every day. Our employees love working at Apex, and we want you to love it too. We're a fast-growing startup that has raised more than $500M in funding, and we invest heavily in our people from day one. Compensation: •$100,000 - $137,000 / year Interested candidates, please apply directly through the job posting on company's career page or try via AI auto apply on this platform. Don't miss this opportunity to join a forward-thinking team!