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GNC Staff Engineer - Dallas, TX or Orlando, FL Security Clearance

Job in Grand Prairie, Dallas County, Texas, 75050, USA
Listing for: Lockheed Martin
Full Time position
Listed on 2026-06-11
Job specializations:
  • Engineering
    Aerospace / Aviation / Avionics, Systems Engineer, Engineering Design & Technologists
Job Description & How to Apply Below
Position: GNC Staff Engineer - Dallas, TX or Orlando, FL with Security Clearance
Job Number 729128

Description:

Lockheed Martin is a global security and aerospace company that employs approximately 114,000 people worldwide and is principally engaged in the research, design, development, manufacture, integration, and sustainment of advanced technology systems, products, and services. Lockheed Martin Missiles and Fire Control (MFC) is one of four Lockheed Martin business areas. MFC is a recognized designer, developer, and manufacturer of precision engagement aerospace and defense systems for the U.S. and allied militaries.

MFC develops, manufactures, and supports advanced products for military customers that include the U.S. Army, Navy, Air Force, Marine Corps, NASA, and dozens of foreign allies. MFC also offers a wide range of products and services for the global civil nuclear power industry and the military's green power initiatives. We are seeking an emerging, or experienced, Guidance, Navigation, and Control (GNC) Engineer to join our team in Grand Prairie, TX, or Orlando, FL.

What You Will Be Doing As the GNC Staff Engineer, you will lead a team to perform:

-analysis of missile and fire control system performance against tactical and flight test targets for air and missile defense system program using a complex 6-DOF (Degree of Freedom) simulation;

-general mathematical modeling for 6-DOF missile simulations;

-development and maintenance of data reduction and presentation tools;

-reduction of simulation data and development of presentations used in internal and customer briefings. Candidate should have working knowledge of higher order language, with FORTRAN and/or C programming experience a plus. Candidate must be organized, able to assimilate large amounts of data, be inquisitive and able to work through problems arising with simulation operation and data reduction. Candidate will support flight test and range safety analysis.

They will help verify missile workflow through analysis of aerodynamic performance, mass, etc. This role will require onsite support full-time at Lockheed Martin's Missiles and Fire Control headquarters in Grand Prairie, TX, or Orlando, FL, working a 4/10 Flex schedule. This position requires a current DoD Secret clearance, therefore, U.S. citizenship is required. Why Join Us 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.

This position can be in Dallas. Discover more about our Dallas, Texas location. This position can be in Orlando. Discover more about our Orlando, Florida location.

Basic Qualifications:

- Bachelor's Degree in Electrical Engineering, Computer Engineering, Aerospace Engineering, Mechanical Engineering, or similar STEM degree - Active Secret Clearance is required to be considered.

- Previous experience within the Advanced Programs Line of Business at Lockheed Martin Missiles and Fire Control

- Experience with Missile 6

DOF simulation design and analysis - Proficient in C++, MATLAB and/or FORTRAN - Excellent written and verbal communication skills and ability to work in a collaborative environment - Willingness to work onsite in a classified lab environment Desired

Skills:

- Experience with FORTRAN, Ada and/or Python
-Hardware-In-The-Loop (HWIL) simulation experience
-Flight software integration and verification experience 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…
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