Guidance Navigation & Control Engineer IV (Staff)

Guidance, Navigation & Control Engineer IV (Staff) This position is contingent upon the program award expected in Winter 2026 Standard Job Description Guidance, Navigation & Control Engineer IV (Staff) This position is contingent upon the program award expected in Winter 2026 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 The Guidance, Navigation, and Control (GNC) Subsystems and CoreSim Team is made up of enthusiastic and talented individuals that design and produce the hardware, algorithms, and software required to solve the challenging problems of controlling spacecraft systems in a harsh, zero-g environment. This position will report directly to the GNC Manager within the GNC Talent Center organization of Lockheed Martin Space. As an experienced GNC analyst in this role, you will be tasked with supporting and lead a program within the multiple satellite buses in LMs Portfolio including, but not limited to, the LM400 and LM2100 satellite series. What You Will Be Doing Design, analyze, and optimize GNC subsystem dynamics and control systems using MATLAB/Simulink. Develop and verify high-fidelity simulation models in MATLAB/Simulink and C++ environments. Support system integration, test, and verification activities to ensure subsystem performance meets program requirements. Collaborate with cross-functional teams throughout the program life cycle, from requirements through verification and validation. Contribute to mission operations and post-launch performance assessments, as needed. Lead small team of engineers to execute on program in meeting program milestones and supporting system level design reviews Own the GNC subsystem output including plan for PDR,CDR, SIQT, Delivery and Launch of various vehicles through design life cycle. Successful applicants generally have at least 5+ years of related experience and may have a post-secondary degree or training in a related discipline Designs, develops, implements, verifies and tests algorithms to perform guidance, navigation and control of aircraft, spacecraft, launch vehicles and upper stages during powered and coast phases of flight, earth orbit, interplanetary cruise and orbital insertion, as well as during staging events. Navigation functions include the statistical processing of measured data points and their substitution into algorithms simulating physical reality. Guidance functions include the formulation of specific equations and control laws to achieve a desired position in space. Control design and analyses processes consist of the development of the control requirements for aircraft, launch vehicles and/or spacecraft. #spacegnc Basic Qualifications Possess Subject Matter Expertise in spacecraft controller design and optimization. Experience in developing and verifying performance of simulation models in simulation environments using programming tools that include MATLAB/Simulink, C++ Security Clearance / Work Authorization To meet requirements of the program/customer, this position requires the selected employee to be a U.S. Citizen Desired Skills Experience with SIMULINK Experience with 6DOF Satellite Simulation Environment and Architectures Experience with flight software development and autocode to C++ and Python Attitude Determination and Kalman Filter Experience Multi-body dynamics experience Familiarity with a GN&C hardware suite for space applications Experience going through a spacecraft program life cycle encompassing requirements generation, design, analysis, integration, verification, and testing of the GN&C subsystem for space applications including mission operations Ability to work in a fast-paced, dynamic, collaborative team environment Demonstrated good communication skills with the ability to articulate complex technical issues to peers, management, subcontractors and customers. Pay Information Full-Time Salary Range: $135700.00 - $251900.00 At Lockheed Martin, we know mission success starts with taking care of our people. Our Total Rewards program is designed to attract top talent, support your well-being, and help you grow—both professionally and personally. The salary range for this position is as listed on the requisition. Please note that the salary information listed 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(work location) and business considerations when extending an offer. Benefits offered Medical, Dental, Vision, Flexible work arrangements and schedules (e.g., 4x10), 401(k) match, Paid time off, Holidays, Parental Leave, EAP, Flexible Spending Accounts, Education Assistance, Life Insurance, Short-Term Disability, and Long-Term Disability. Annual short-term and/or long-term incentive compensation programs may be offered depending on the position. Payments under these annual programs are not guaranteed and can vary from year to year and are tied to a range of performance metrics. For (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. #J-18808-Ljbffr