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Guidance Navigation and Control Engineer; Level II - Secret clearance

Job in Huntsville, Madison County, Alabama, 35824, USA
Listing for: Lockheed Martin
Full Time position
Listed on 2026-01-19
Job specializations:
  • Engineering
    Software Engineer, Systems Engineer
Job Description & How to Apply Below
Position: Guidance Navigation and Control Engineer (Level II) - Secret clearance

Description

Description:

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 will:
  • 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
  • Build new source code in C++ and Python
  • Modify code in C++, C, MATLAB, Simulink, Fortran, Python, Linux shell, and YAML
  • Create unit tests
  • Execute 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 analysts, Flight Software team, and customer
  • Algorithm Development
Basic Qualifications

Successful applicants generally have at least 1+ years of related experience and may have a post‑secondary degree or training in a related discipline, such as Aerospace Engineering (or other related field).

Skill Requirements
  • Algorithm development experience
  • Object‑oriented design (OOD) programming experience in languages such as C/C++/Python, and/or MATLAB
Security Clearance / Work Authorization
  • To meet requirements of the program/customer, this position requires the selected employee to be a U.S. Citizen.
  • Applicants must possess a currently active Secret security clearance to be considered qualified;
    Final Secret clearance is required to start employment.
  • Selected candidates will be required to maintain a government issued Secret clearance for long term employment on this program.
Desired Skills
  • Guidance, Navigation, and Control algorithms development experience (Optimal Guidance, Optimal Control Theory, PID, Kalman Filter family Navigation algorithms, etc)
  • Familiarity with Agile software development
  • Distributed/parallel processing
  • Familiarity or experience with missile development or fire control
  • Cameo or Unified Modeling Language (UML)
  • CI/CD pipeline experience
  • Experience with generated code or autocode

Security Clearance Statement: This position requires a government security clearance, you must be a U.S. Citizen for consideration.

Clearance Level: Secret

Other Important Information You Should Know

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

Ability to Work Remotely

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

Work Schedules

Lockheed Martin supports a variety of alternate work schedules that provide additional flexibility to our employees. Schedules range from standard 40 hours over a five day work week while others may be condensed. These condensed schedules provide employees with additional time away from the office and are in addition to our Paid Time off benefits.

Schedule for this Position: 9x80 every other Friday off

Pay Rate

The annual base salary range for this position in California, Massachusetts, and New York (excluding most major metropolitan areas), Colorado, Hawaii, Illinois, Maryland,…

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