Guidance, Navigation & Control Engineer Level IV - Top Secret

About Lockheed Martin Space

Space is a critical domain, connecting our technologies, our security, and our humanity. While others view space as a destination, we see it as a realm of possibilities, where we can do more — we can innovate, invest, inspire, and integrate our capabilities to transform the future.

At Lockheed Martin Space, we aim to harness the full potential of space to cultivate innovation, reduce costs, and push the boundaries of what technology can achieve. We’re creating future‑ready solutions, focusing on resiliency and urgency through our 21st Century Security® vision.

Join us in shaping a new era in space and find a career that’s built for you.

The Guidance, Navigation, and Control (GN&C) Subsystems and Core Sim Team is made up of enthusiastic and talented individuals that design and produce the hardware, algorithms, and software required to solve the 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 an experienced GN&C analyst in this role, you will be tasked with supporting and leading a program within the multiple satellite buses in Lockheed Martin’s portfolio, including, but not limited to, the LM400 and LM2100 satellite 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.
• Lead a small team of engineers to execute on program milestones and support system‑level design reviews.
• Own the GNC subsystem output including plan for PDR, CDR, SIQT, delivery, and launch of various vehicles through the design life cycle.

• Possess advanced domain experience in spacecraft controller design and optimization.
• Experience in developing and verifying performance of simulation models in simulation environments using tools that include MATLAB/Simulink, C++.
• Technical leadership experience.

• Possess advanced domain experience in spacecraft controller design and optimization.
• Experience in developing and verifying performance of simulation models in simulation environments using programming tools that include MATLAB/Simulink, C++.
• Technical leadership experience.

• To meet requirements of the program/customer, this position requires the selected employee to be a U.S. Citizen.
• Active Top Secret clearance (adjudicated or eligibility) is required for consideration.
• Top Secret security clearance is required prior to start.

• Experience with CORESIM/SIMULINK.
• Experience with flight software development 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 going 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.
• Demonstrated good communication skills with the ability to articulate complex technical issues to peers, management, subcontractors and customers.
• Agile Framework especially Product Owner Task and Responsibility.

Expression of interest:
By applying to this job, you are expressing interest in this position and could be considered for other career opportunities where similar skills and requirements have been identified as a match.

Onsite Full‑time:
The work associated with this position will be performed onsite at a designated Lockheed…