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Guidance, Navigation & Control Engineer III - Secret clearance

Job in Littleton, Arapahoe County, Colorado, 80166, USA
Listing for: Lockheed Martin
Full Time position
Listed on 2026-06-01
Job specializations:
  • Engineering
    Systems Engineer, Software Engineer, Robotics, Aerospace / Aviation / Avionics
Job Description & How to Apply Below
*
* 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

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- *
* 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 be a U S  Citizen

- Applicants must be able to obtain Final Secret clearance to be considered qualified   Final 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

- 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

- Experience with hardware and hardware subsystems for guidance navigation control

- 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

-…
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