Guidance Navigation & Control Engineer II

Job Description

This position is contingent upon the program award expected in September 2026 time frame.

The Guidance, Navigation, and Control (GN&C) Subsystems and Core Sim Team is made up of enthusiastic and talented individuals that design and are responsible for producing the hardware, algorithms, and software required to solve challenging problems of controlling spacecraft systems in a harsh, zero-g environment.

This position will report directly to the GN&C Manager within the GN&C Talent Center organization of Lockheed Martin Space.

As a GN&C analyst, you will support multiple satellite buses including the LM400 and LM2100 series.

• Design, analyze, and optimize GN&C subsystem dynamics and control systems using MATLAB/Simulink.
• Develop and verify high-fidelity simulation models in MATLAB/Simulink and C++ environments.
• Support system integration, test, and verification activities to ensure subsystem performance meets program requirements.
• Collaborate with cross‑functional teams throughout the program life cycle, from requirements through verification and validation.
• Contribute to mission operations and post-launch performance assessments, as needed.

• General domain experience in spacecraft controller design and optimization.
• Experience developing and verifying simulation models in MATLAB/Simulink and C++ environments.
• At least one year of related experience; a post-secondary degree or training in aerospace engineering or a related field is preferred.

• Experience with CORESIM.
• Flight software development experience and autocode to C++ and Python.
• Attitude determination and Kalman filter experience.
• Multi-body dynamics experience.
• Familiarity with a GN&C hardware suite for space applications.
• Experience through a spacecraft program life cycle encompassing requirements generation, design, analysis, integration, verification, and testing of the GN&C subsystem for space applications including mission operations.
• Ability to work in a fast-paced, dynamic, collaborative team environment.
• Strong communication skills to articulate complex technical issues to peers, management, subcontractors, and customers.

• Required:
  
  U.S. Citizen.
• Must be eligible to obtain and maintain Top Secret with SCI eligibility (TS/SCI) for long-term employment on this program.

Onsite full-time: the work will be performed onsite at a designated Lockheed Martin facility.