Guidance, Navigation & Controls Engineer - Spacecraft Flight Con with Security Clearance

Check out this new opportunity! Guidance, Navigation, & Controls Engineer Spacecraft Flight Control Systems On-site in El Segundo, CA Target salary range: $123,000 - $198,750 We are hiring a Guidance, Navigation & Controls (GNC) Engineer to support the design, development, integration, and delivery of spacecraft Guidance, Navigation & Control (GNC) subsystems for advanced satellite and space programs. This role involves GNC analysis, Flight Control Software (FCSW) development, spacecraft integration and test (I&T), control system design, sensor and actuator selection, and technical leadership while supporting mission-critical aerospace and national security programs requiring a U.S. Top Secret security clearance. Responsibilities: * Lead delivery of the complete Guidance, Navigation & Control (GNC) subsystem, including hardware, software, algorithms, and analytical products for satellite programs. * Serve as the Responsible Engineering Authority (REA) for one or more spacecraft programs or as the GNC technical focal across multiple programs. * Perform spacecraft GNC subsystem design, modeling, analysis, Flight Control Software (FCSW) development, and verification activities. * Develop control algorithms and evaluate system performance to ensure compliance with mission and spacecraft requirements. * Select and integrate spacecraft sensors and actuators to support mission objectives. * Manage GNC subsystem execution within program cost, schedule, and technical performance objectives. * Identify technical risks, develop mitigation strategies, and communicate execution status to program leadership. * Collaborate with Systems Engineering, software, hardware, manufacturing, integration & test (I&T), and program management teams to ensure system-level performance. * Support satellite integration, environmental testing, launch preparation, and on-orbit mission operations. * Lead, mentor, and provide technical direction to GNC engineering teams by decomposing complex technical efforts into executable work packages. * Support mission architecture, system design reviews, verification planning, and lifecycle engineering activities. Qualifications: * US Citizenship required by Federal Law. * Ability to obtain a U.S. Top Secret Security Clearance after hire. * Bachelor's degree and 5+ years of related engineering experience, or an equivalent combination of education and experience. * Minimum 3+ years of Guidance, Navigation & Control (GNC) engineering experience. * Minimum 1+ year of spacecraft or satellite system-level engineering experience. * Minimum 1+ year collaborating with cross-functional engineering organizations and program leadership. * Experience with spacecraft Guidance, Navigation & Control fundamentals. * Experience performing spacecraft GNC analysis, subsystem design, software development, verification, and systems integration. * Experience working across multidisciplinary aerospace engineering teams throughout the program lifecycle. Preferred Qualifications: * Bachelor's degree with 9+ years of related engineering experience (Level 4). * Active TS/SCI security clearance. * Experience supporting satellite Integration & Test (I&T) and on-orbit mission operations. * Advanced knowledge of spacecraft kinematics, dynamics, classical control theory, and modern control systems. * Experience performing complex GNC analyses using commercial or internally developed engineering tools. * Experience developing Flight Control Software (FCSW) and spacecraft control algorithms. * Experience leading technical teams and serving as a Responsible Engineering Authority (REA). * Demonstrated ability to decompose complex engineering efforts into executable technical tasks. * Experience with project execution, cost and schedule management, and technical risk management. * Experience establishing engineering processes, technical standards, and best practices. * Proven mentoring and technical leadership experience. * Experience with spacecraft architecture development, system integration, trade studies, and mission analysis. Moseley Technical Services, Inc. is an AA/EEO/Veterans/Disabled Employer What to Expect Moseley Technical Services, Inc. (Moseley) was incorporated in 1994 to provide engineering and professional services to the aerospace/defense, manufacturing, government, and commercial industries. Our Mission is to deliver superior service to our customers and employees. We have achieved our vision by building long-term relationships with customers and employees through integrity, transparency, and appreciation. * To apply, send a resume to: * For more active job openings: Careers at Moseley Technical * For more information about us: Moseley Technical - Mission and Values! "We stand by our 30-year-old commitment of "World Class Service. World Class Company."