Guidance Navigation & Control Engineer, Senior​/Principal

• Design, implement, and verify guidance, navigation, and control algorithms for spacecraft
• Develop and maintain 6-DOF dynamics simulations and analysis tools for mission and performance assessment
• Implement and validate GN&C flight software using MATLAB/Simulink models and C/C++ prototypes
• Integrate flight software with testbeds and avionics
• Apply astrodynamics and flight mechanics to mission design, novel orbit concepts, and trajectory optimization
• Develop powered and unpowered guidance laws and autonomy tools for on-orbit operations
• Support troubleshooting of operational anomalies, functional tests, and service incidents
• Produce concepts of operations, simulation artifacts, and test procedures
• Collaborate with systems engineering, avionics, test, and business development teams
• Communicate technical tradeoffs to stakeholders
• Identify inefficiencies, propose solutions, and implement reusable tools and automations
• Lead engineering project teams, mentor engineers, and advance GN&C engineering practices

• 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
• Active Tier 5 (T5) Clearance, formerly known as Single Scope Background Investigation (SSBI)
• U.S. Person status as defined by 22 C.F.R. §120.62; U.S. Citizenship required for the security clearance
• No employer-sponsored employment visa status
• Level 5: 14+ years of related work experience or an equivalent combination of education and experience
• Engineering experience with spacecraft
• Experience using MATLAB and Simulink
• Experience developing GN&C algorithms, models and simulations
• Preferred Level 6: 20+ years of related work experience or an equivalent combination of education and experience
• Ability to work effectively in broad, minimally defined design spaces and communicate technical results clearly
• Experience with spacecraft operations and space environment effects
• Programming experience in C/C++ or comparable languages sufficient to implement and test GN&C algorithms
• Familiarity with state estimation and sensor fusion, including Kalman filters and GPS/INS
• Background in classical, modern, and nonlinear control theory and design
• Model-based development experience and flight test support
• Leadership, mentoring, and team engagement experience
• Successful completion of the Company’s Conflict of Interest assessment process
• Subject to applicable post-offer drug testing

Demonstrates expertise in designing and implementing guidance, navigation, and control algorithms for spacecraft, utilizing MATLAB/Simulink and C/C++. Proven ability to lead engineering teams, mentor engineers, and effectively communicate technical results in complex design environments.

• Guidance, Navigation, And Control Algorithms
• MATLAB/Simulink
• C/C++ Programming
• Spacecraft Operations
• Leadership And Mentoring

• 6-DOF Dynamics Simulations
• GN&C Flight Software Development
• Astrodynamics
• Trajectory Optimization
• Kalman Filters
• Sensor Fusion
• Model-Based Development
• Flight Test Support
• Classical Control Theory
• Nonlinear Control Design

• Effective Communication
• Problem Solving
• Team Engagement

• Active Tier 5 Clearance

• Spacecraft Engineering
• Mission Design
• Operational Anomalies
• Simulation Artifacts
• Test Procedures