Guidance Navigation & Control Engineers – Senior​/Principal

• Design, implement, and verify guidance, navigation, and control algorithms for spacecraft
• Develop and maintain 6-DOF dynamics simulations and associated 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 for rapid iteration from prototype to flight test
• 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 job practices and techniques

• 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)
• 14+ years of related work experience or an equivalent combination of education and experience for Level 5
• Engineering experience with spacecraft
• Experience using MATLAB and Simulink
• Experience developing GN&C algorithms, models and simulations
• 20+ years of related work experience or an equivalent combination of education and experience for Level 6
• 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, GPS/INS
• Background in classical and modern control theory and nonlinear control design
• Model-based development experience and flight test support
• Experience leading, mentoring, and engaging individuals and teams
• Experience providing active mentorship and career guidance
• U.S. Person status required under U.S. export control compliance requirements
• U.S. citizenship required for the security clearance
• Employer will not sponsor applicants for employment visa status
• Successful candidates must satisfy the Company’s Conflict of Interest assessment process
• Post-offer applicants and employees may be subject to drug and alcohol testing when criteria are met

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 (GN&C) Algorithms
• MATLAB/Simulink Proficiency
• C/C++ Programming Experience
• Spacecraft Operations Experience
• Leadership And Mentorship Skills

• Guidance, Navigation, And Control (GN&C) Algorithms
• MATLAB
• Simulink
• C/C++ Programming
• Dynamics Simulations
• Astrodynamics
• Flight Mechanics
• State Estimation
• Sensor Fusion
• Control Theory

• Effective Communication
• Problem Solving
• Collaboration
• Mentoring
• Technical Tradeoff Analysis

• Active Tier 5 (T5) Clearance
• U.S. Citizenship

• Spacecraft
• Flight Test Support
• Nonlinear Control Design
• Model-Based Development
• Space Environment Effects

• Testbeds
• Avionics
• Simulation Artifacts
• Analysis Tools
• Automation Tools