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Guidance, Navigation Control Engineer; Senior, Level III - S Security Clearance

Job in Sunnyvale, Santa Clara County, California, 94085, USA
Listing for: Lockheed Martin
Full Time position
Listed on 2026-03-12
Job specializations:
  • Engineering
    Systems Engineer, Aerospace / Aviation / Avionics
Job Description & How to Apply Below
Position: Guidance, Navigation, & Control Engineer (Senior, Level III) - S with Security Clearance
Job Number 718165

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 :
We are seeking an experienced Guidance, Navigation, and Control (GNC) Engineer Senior (Level III). This is a position within the Conventional Prompt Strike (CPS) hypersonic weapon system program that directly supports critical weapons fielding support for the nation. In this role you will be tasked with GN&C analysis, modelling and simulation work, and NGC Test Bed Hardware testing for CPS test flight and deployment campaigns.

What You Will Be Doing :

• Develop the high-fidelity flight simulation software used to verify mission capabilities

• Provide software integration and verification support for CPS flight test campaign

• Provide weapon system testing support and test hardware configuration development
• Execute performance analysis for the weapon system

• Leverage proficiency in C++ and MATLAB to implement, test, and validate system models and simulations

• Perform design and analysis of guidance, navigation, and control algorithms as it pertains to flight and hardware testing

• Communicating technical findings clearly and working effectively in a collaborative, cross-functional environment Successful applicants generally have at least 4+ years of related experience and may have a post-secondary degree or training in Aerospace Engineering, Mechanical Engineering, Electrical Engineering, or related field.

Basic Qualifications:

Skill Requirements :

• Experience with control system design, simulation, or analysis for Aerospace engineering applications

• Experience with simulation and programming tools such as MATLAB/Simulink, C++, Fortran, and/or Python

• Experience with hardware test environments, Hardware-in-the-Loop, testbeds, or hybrid simulation/hardware integrated environments Security Clearance / Work Authorization: :

• 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.
Desired

Skills:

• Experience with flight control design and applicable subsystems

• Professionally demonstrated experience to develop or analyze algorithms such as guidance, navigation, autopilot, inertial tracking, and servo control algorithms

• Experience troubleshooting hybrid simulation/hardware integrated environments

• Experience with C++ and Fortran programming languages

• Experience with Simulink and autocode algorithm integration

• Ability to perform preflight system performance assessment and post flight verification analyses

• Experience with Dev Ops/Dev Sec Ops  CI/CD pipelines and software version control such as Git

• Experience operating in Linux environments including High Performance Computing usage

• Experience with Agile development

• An active U.S. DOD Secret clearance with an investigation date in the last 5 years and able to obtain and hold a DOD Top Secret
Security Clearance Statement:
This position requires a government security clearance, you must be a US Citizen for consideration.
Clearance Level: Secret
Other Important Information You Should Know
Expression of…
Position Requirements
10+ Years work experience
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