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Guidance, Navigation & Control Engineer II - Secret clearance

Job in Sunnyvale, Santa Clara County, California, 94087, USA
Listing for: Lockheed Martin Corporation
Full Time position
Listed on 2026-07-11
Job specializations:
  • Software Development
    C++ Developer, Software Engineer, Embedded Software Engineer
Job Description & How to Apply Below
Job 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:

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 Dev Ops environment with Docker/Container and Kubernetes deployment
Collaborate with the performance critical thinkers, Flight Software team, and customer

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.

Basic Qualifications

Skill Requirements:
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 ====.
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 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.
Familiarity with agile software development
Distributed/parallel processing

EEO

Lockheed Martin is an equal opportunity employer. Qualified candidates will be considered without regard to legally protected characteristics.
The application window will close in 90 days; applicants are encouraged to apply within 5 - 30 days of the requisition posting date in order to receive optimal consideration.

*

At Lockheed Martin, we use our passion for purposeful innovation to help keep people safe and solve the world's most complex challenges. Our people are some of the greatest minds in the industry and truly make Lockheed Martin a great place to work.

With our employees as our priority, we provide diverse career opportunities designed to propel, develop, and boost agility. Our flexible schedules, competitive pay, and comprehensive benefits enable our employees to live a healthy, fulfilling life at and outside of work. We place an emphasis on empowering our employees by fostering an inclusive environment built upon integrity and…
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