Job ID: 695975BR Date posted: Jun. 23, 2025
Description:Overview
You will be the Guidance, Navigation, and Control (GNC) Engineer specializing in Modeling and Simulation (M&S) for the Missiles and Fire Control team. Our team is responsible for developing and applying innovative M&S solutions to support the design, development, and testing of complex technical systems.

What You Will Be Doing
As the GNC Engineer, you will be responsible for designing, developing, and validating complex models and simulations to evaluate system performance and verify requirements. You will work closely with cross-functional teams to integrate models, software, and hardware into simulations, and support ground and flight test efforts.

Your responsibilities will include:
* Designing and documenting model and simulation requirements and architecture
* Developing, verifying, and validating complex models and simulations, such as 6-DOF and effects-based simulations
* Evaluating system performance in complex scenarios and environments
* Performing critical studies, analyses, and test activities
* Supporting ground and flight test efforts, including HWIL activities
* Collaborating with subsystem and software engineers to integrate models and software into simulations

Why Join Us
We're looking for a highly skilled and experienced GNC Engineer to join our team. As a Modeling and Simulation expert, you will have the opportunity to work on complex and challenging projects, developing and applying innovative M&S solutions to support the success of our programs. If you're a talented engineer with experience in modeling and simulating complex systems, proficiency in C++ and MATLAB, and excellent communication skills, we encourage you to apply. This role offers the chance to work on critical national security projects, collaborate with a team of experts, and make a significant contribution to the development of our technical systems. Relocation assistance is available for this exciting opportunity, and we look forward to welcoming you to our team.

We are committed to supporting your work-life balance and overall well-being, offering flexible scheduling options Learn more about Lockheed Martin’s comprehensive benefits package here.

Further Information About This Opportunity:

This position is in Orlando. Discover more about our Orlando, Florida location.
Basic Qualifications:
• Must be a U.S. citizen
• Ability to obtain and maintain a U.S. DoD Secret clearance prior to start
• Willing to work onsite in a classified area or lab environment
• Must have a college degree in computer science, physics, computer engineering, mechanical engineering, electrical engineering, aerospace engineering, applied mathematics, or similar
• Professionally demonstrated at least an intermediate proficiency in C++
• Professionally demonstrated advanced proficiency in Matlab or Python
• Experience in modeling and simulation of complex weapon systems and/or sensor systems
• Professionally demonstrated the ability to develop and/or verify/validate complex vehicle models and simulations such as missile 6-degree-of-freedom simulations
• Professionally demonstrated strong math skills in the areas of linear algebra, matrix math, statistics, trigonometry, and coordinate transformations
• Strong written/verbal communication and organizational and interpersonal skills
Desired Skills:
• An active U.S. DOD Secret clearance with an investigation date in the last 5 years
• Advanced proficiency in C++
• Experience operating in Linux environments
• Experience with Agile development
• Experience performing one or more of the following technical GNC assignments:
o Develop and analyze algorithms such as guidance, navigation, autopilot, inertial tracking, and servo control algorithms
o Develop and/or verify/validate complex vehicle models and simulations such as missile 6-degree-of-freedom simulations
o Demonstrated strong math skills in the areas of linear algebra, matrix math, statistics, trigonometry, and coordinate transformations
o Develop, verify and validate complex Electro Optical / InfraRed and/or Radio Frequency sensor models
o Ability to perform preflight system performance assessment and post flight verification analyses
• Experience deploying algorithms that satisfy real-time performance requirements
• Experience with DevOps/DevSecOps CI/CD pipelines and software version control such as Git
Security Clearance Statement: This position requires a government security clearance, you must be a US Citizen for consideration.
Clearance Level: Secret with Investigation or CV date within 5 years
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: 4x10 hour day, 3 days off per week
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 corporate responsibility.

If this sounds like a culture you connect with, you’re invited to apply for this role. Or, if you are unsure whether your experience aligns with the requirements of this position, we encourage you to search on Lockheed Martin Jobs, and apply for roles that align with your qualifications.
Experience Level: Experienced Professional
Business Unit: MISSILES AND FIRE CONTROL
Relocation Available: Possible
Career Area: Guidance, Navigation and Control
Type: Full-Time
Shift: First