GNC Modeling & Simulation Staff Engineer – Grand Prairie, TX

Company: Lockheed Martin
Location: Grand Prairie
Posted on: April 2, 2026

Job Description:

Job 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. At Lockheed Martin, we apply our passion for purposeful innovation to keep people safe and solve the world's most complex challenges. We are seeking an experienced Guidance, Navigation, and Control (GNC) Engineer who will specialize in Modeling and Simulation (M&S) of complex technical solutions to join our team in sunny Dallas, TX! What You Will Be Doing This person will join a highly skilled team of systems engineering technologists and algorithm developers supporting various contracts and IRADs within Missiles and Fire Control. Modeling & Simulation Engineer tasks include: • Design and documentation of model and simulation requirements and architecture • Develop, verify, and validate both complex models and simulations such as missile 6-degree-of-freedom simulations (6-DOF) and effects-based simulations • Evaluate system performance in complex scenarios and environments and verify system and subsystem level requirements • Perform critical studies, analyses, and test activities • Support ground and flight test efforts including Hardware-In-The-Loop (HWIL) activities • Support program reviews and technical interchange meetings with internal leadership and/or external customers. The candidate must have experience in weapon system and/or sensor modeling, both for the items to be modeled, and the synthetic modeled environments used to stimulate the simulated hardware. The M&S Engineer must be able to work with subsystem and software engineers to integrate MATLAB models, C++ models, and actual tactical software into the simulations. The M&S Engineer must be proficient in C++ and MATLAB. The candidate must have good communication skills and must be comfortable working in a collaborative environment. 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. Basic Qualifications • Post secondary STEM degree with 3 years of relevant experience. • A Interim DOD Clearance is needed to start this position, therefore you must be a US Citizen. • Willing to work onsite in a classified area or lab environment • Demonstrated experience in digital simulation development for infrared sensor systems • Professionally demonstrated advanced proficiency in C++ • Professionally demonstrated advanced proficiency in Matlab or Python • 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 • Active US DoD Secret clearance • 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 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. Other Important Information 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 Schedule Information 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. Security Clearance Information This position requires a government security clearance, you must be a US Citizen for consideration. Pay Rate: The annual base salary range for this position in California, Massachusetts, and New York (excluding most major metropolitan areas), Colorado, Hawaii, Illinois, Maryland, Minnesota, New Jersey, Vermont, Washington or Washington DC is $123,500 - $217,695. For states not referenced above, the salary range for this position will reflect the candidate’s final work location. Please note that the salary information is a general guideline only. Lockheed Martin considers factors such as (but not limited to) scope and responsibilities of the position, candidate's work experience, education/ training, key skills as well as market and business considerations when extending an offer. Benefits offered: Medical, Dental, Vision, Life Insurance, Short-Term Disability, Long-Term Disability, 401(k) match, Flexible Spending Accounts, EAP, Education Assistance, Parental Leave, Paid time off, and Holidays. (Washington state applicants only) Non-represented full-time employees: accrue at least 10 hours per month of Paid Time Off (PTO) to be used for incidental absences and other reasons; receive at least 90 hours for holidays. Represented full time employees accrue 6.67 hours of Vacation per month; accrue up to 52 hours of sick leave annually; receive at least 96 hours for holidays. PTO, Vacation, sick leave, and holiday hours are prorated based on start date during the calendar year. This position is incentive plan eligible. Pay Rate: The annual base salary range for this position in most major metropolitan areas in California, Massachusetts, and New York is $142,000 - $246,100. For states not referenced above, the salary range for this position will reflect the candidate’s final work location. Please note that the salary information is a general guideline only. Lockheed Martin considers factors such as (but not limited to) scope and responsibilities of the position, candidate's work experience, education/ training, key skills as well as market and business considerations when extending an offer. Benefits offered: Medical, Dental, Vision, Life Insurance, Short-Term Disability, Long-Term Disability, 401(k) match, Flexible Spending Accounts, EAP, Education Assistance, Parental Leave, Paid time off, and Holidays. This position is incentive plan eligible.

Keywords: Lockheed Martin, Plano , GNC Modeling & Simulation Staff Engineer – Grand Prairie, TX, IT / Software / Systems , Grand Prairie, Texas