Guidance Navigation & Control Engineer IV Interim Top Secret

Role Responsibilities

• Report directly to the GN&C Manager within the GN&C Talent Center organization.
• Serve as a Line of Sight (LOS) Subject Matter Expert (SME) focused on optical LOS jitter analysis for precision‑pointing spacecraft.
• Support multiple satellite bus families, including the LM400 and LM2100 series.
• Contribute to GN&C subsystem architecture, systems engineering, disturbance modelling, and space vehicle jitter testing.
• Generate requirements, perform early program design and analysis, and conduct structural, damping, and dynamics modelling.
• Analyze time‑ and frequency‑domain LOS jitter, develop accuracy budgets, and model uncertainty factors.
• Integrate findings with flight software development and participate in dynamometer and on‑orbit testing.
• Collaborate effectively in a fast‑paced, dynamic, and cross‑functional team environment.

• Advanced domain experience in spacecraft controller design and optimization.
• Proficiency in developing, verifying, and simulating performance of models using MATLAB/Simulink and C++.
• Expertise in LOS modeling and analysis, particularly optical LOS jitter for precision‑pointing spacecraft.
• U.S. citizenship and an Interim Top Secret clearance to be considered qualified.
• Ability to obtain and maintain a government‑issued Top Secret clearance for long‑term employment.

• Experience with CORESIM tools.
• Flight software development experience and autocode to C++ or Python.
• Proficiency with attitude determination and Kalman filtering.
• Multi‑body dynamics modeling experience.
• Familiarity with a GN&C hardware suite for space applications.
• Domain experience in dynamics modeling and finite element modeling.
• Experience with LOS accuracy budgets and disturbance modelling.
• Comprehensive knowledge of the spacecraft program life cycle, from requirements generation to testing.
• Strong communication skills for articulating complex technical issues to peers, management, subcontractors, and customers.

• Must be a U.S. citizen.
• Interim Top Secret clearance is required for qualification; final clearance must be obtained and maintained.