Guidance, Navigation & Control Engineer; Level II - Secret clearance

Basic Qualifications

• Broad technical skills such as rigid body dynamics, control theory, and/or computer programming.
• Proven experience using Matlab and/or Simulink for simulations, analysis of feedback control systems, closed loop guidance, or navigation algorithms.
• Demonstrate strong math skills in the areas of linear algebra, matrix math, statistics, trigonometry, and/or coordinate transformation.
• Ability to clearly document analysis results in presentation slides and engineering memos.
• Ability to work in a fast‑paced, collaborative team environment.

• To meet requirements of the program/customer, this position requires the selected employee to be a U.S. Citizen.
• Qualified applicants must possess at minimum a currently Active Secret security clearance to be considered.
• Selected candidates will be required to maintain a minimum level, government‑issued Secret clearance for long term employment on this program.

E2332:
Guidance, Nav & Ctrl Eng

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. We’re erasing boundaries and forming partnerships across industries and around the world. We’re advancing spacecraft and the workforce to fuel the next generation. And we’re reimagining how space can connect us, ensuring security and prosperity.

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

About the Role: As a GNC Engineer, you will join the GN&C team on the Next Generation Interceptor (NGI) program. In this role, you may be involved in many of the following activities:

• Apply missile guidance, navigation, and control expertise to modeling and simulation.
• Integrate Matlab/Simulink models into a 6-DOF C++ simulation.
• Develop high fidelity models and simulation software.
• Develop new source code in C++ and Python.
• Modify code in C++, C, Matlab, Simulink, Fortran, Python, Linux shell, and YAML.
• Create unit tests.
• Implement simulation software on a high performance computing cluster including Linux systems or VMs.
• Work in an Agile Dev Ops environment with Docker/Container and Kubernetes deployment.
• Collaborate with the performance‑critical thinkers, Flight Software team, and customer.
• Signal and Data Processing.

You can learn more about Lockheed Martin’s competitive and comprehensive benefits package by visiting this link:

• Experience with simulations and physics‑based modeling.
• Experience with state estimation and navigation algorithms, including Extended Kalman Filters.
• Experience with kinematics using Euler Angles and Quaternions.
• Experience constructing pointing budgets.
• Experience with autopilot design and linear stability analysis.
• Experience with missile or missile defense systems, particularly the THAAD algorithms and flight software.
• Experience with C++ development and Gitlab.
• Experience with FORTRAN and 6‑DOF simulations.
• Experience with model‑based software development using Simulink (autocoding).
• Excellent written and verbal communication skills.
• Strong interpersonal skills.
• Demonstrated ability as a team player to build consensus among peers and build effective relationships with team members.
• Demonstrated communication skills with the ability to articulate complex technical issues to peers, management, subcontractors and customers.

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. Should this match be identified you may be contacted for this and future openings.

Onsite Full‑time:
The work…