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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Guidance, Navigation & Control Engineer II - Secret clearance - **Company:** Lockheed Martin - **Location:** Littleton, CO, United States (Remote available) - **Experience:** Experienced - **Salary:** $82,900.0 - $146,165.0 - **Contract:** Permanent contract - **Skills:** C (Programming Language), Agile Methodology, Algorithm Design, Unit Testing, C++ (Programming Language), Computer Programming, Content Analysis, Linux, Fortran (Programming Language), Python (Programming Language), Kinematics, Unix Shell, MATLAB, Simulation Software, Simulink, Software Engineering, YAML, Data Processing, High Performance Computing, Parallel Computation, Gitlab, SC Clearance, Kubernetes, Docker - **Published:** June 4, 2026 - **Apply:** https://dejobs.org/x/x/54BC129B0FC24DBE8A5ECB8AE8FB1845/job/ ## About the Role Successful applicants generally have a minimum of 2+ years of related experience and may have a post-secondary degree or training in a related discipline., * Broad technical skills such as rigid body dynamics, control theory, and/or computer programming. * Proven experience using MATLAB and/or Simulink for simulation and analysis of feedback control systems, closed loop guidance, or navigation algorithms. * C/C++ programming experience * 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. 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 be able to obtain Secret clearance to be considered qualified. * Secret clearance is required to prior to start. * Selected candidates will be required to maintain a minimum level, government issued Secret clearance for long term employment on this program. Desired Skills: * 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 with autopilot design and linear stability analysis, stability and control analysis * Familiarity or experience with missile defense systems or fire control * Experience with C++ development and Gitlab * Experience with FORTRAN and 6DOF 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. * Familiarity with agile software development * Distributed/parallel processing ## Description Come join the growing Theater Strike Weapon System program portfolio, including Conventional Prompt Strike, Hypersonic Weapon Systems, Sea-Launched Cruise Missile, Hypersonic Payload Delivery systems, and other new and dynamic programs. In this role as a GNC engineer, you may be involved in many of the following activities: * Apply missile guidance, navigation, and control expertise to algorithm development, signal and data processing, 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 DevOps environment with Docker/Container and Kubernetes deployment ## Related Videos - [Docker Compose: Rediscovered](https://www.wearedevelopers.com/videos/1978-docker-compose-rediscovered) - [Docker network without Docker](https://www.wearedevelopers.com/videos/1418-docker-network-without-docker) - [CI/CD with Github Actions](https://www.wearedevelopers.com/videos/856-ci-cd-with-github-actions) - [Code to Road in < 12 hours](https://www.wearedevelopers.com/videos/1082-code-to-road-in-12-hours) - [Docker exec without Docker](https://www.wearedevelopers.com/videos/1094-docker-exec-without-docker) - [Docker build without Docker](https://www.wearedevelopers.com/videos/100114-docker-build-without-docker) ## Related Articles - [How software is steering vehicle technology](https://www.wearedevelopers.com/magazine/515-how-software-is-steering-vehicle-technology) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Dev Digest 134 - Where pixels sing?](https://www.wearedevelopers.com/magazine/477-dev-digest-134-where-pixels-sing) - [7 Important Tips That Every Software Developer Should Know](https://www.wearedevelopers.com/magazine/101-7-important-tips-that-every-software-developer-should-know) - [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline) - [Should senior developers refuse interview coding challenges?](https://www.wearedevelopers.com/magazine/29-should-senior-developers-refuse-interview-coding-challenges)