Guidance, Navigation & Control Engineer II - Secret clearance

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 innovate, invest, inspire, and integrate our capabilities to transform the future. At Lockheed Martin Space, we harness the full potential of space to cultivate innovation, reduce costs, and push the boundaries of what technology can achieve, creating future‑ready solutions focused on resiliency and urgency through our 21st Century Security® vision. 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. 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 DevOps environment with Docker/Container and Kubernetes deployment Collaborate with the performance‑critical thinkers, Flight Software team, and customer Basic Qualifications 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. 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 Strong math skills in linear algebra, matrix math, statistics, trigonometry, and/or coordinate transformation Clear documentation of analysis results in presentation slides and engineering memos Ability to work in a fast‑paced, collaborative team environment 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, stability and control 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) 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 Familiarity with agile software development Distributed/parallel processing Security Clearance To meet program/customer requirements, this position requires the selected employee to be a U.S. Citizen. Applicants must be able to obtain Secret clearance to be considered qualified; Secret clearance is required prior to start and must be maintained for long‑term employment on this program. Pay Rate 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 $82,900 – $146,165. For other states the range will reflect the candidate’s final work location. In major metropolitan areas the range may be $95,300 – $165,255. 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, Holidays Washington state applicants: accrue at least 10 hours per month of PTO, 90 hours for holidays; for represented full‑time employees, accrue 6.67 hours of vacation per month, up to 52 hours of sick leave annually, 96 hours for holidays; all prorated based on start date Equal Opportunity Employer Lockheed Martin is an equal opportunity employer. Qualified candidates will be considered without regard to legally protected characteristics. Job Attributes Experience Level: Experienced Professional Business Unit: SPACE Relocation Available: Possible Career Area: Guidance, Navigation and Control Type: Full‑Time Shift: First #J-18808-Ljbffr Lockheed Martin