GNC Engineer: Modeling Sim. & Analysis (Secret) Level 3 or 4 (Chandler)

Northrop Grumman•Chandler, AZ

22d•Onsite

About The Position

At Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations to come. Our pioneering and inventive spirit has enabled us to be at the forefront of many technological advancements in our nation's history - from the first flight across the Atlantic Ocean, to stealth bombers, to landing on the moon. We look for people who have bold new ideas, courage and a pioneering spirit to join forces to invent the future, and have fun along the way. Our culture thrives on intellectual curiosity, cognitive diversity and bringing your whole self to work — and we have an insatiable drive to do what others think is impossible. Our employees are not only part of history, they're making history. If forging a secure future excites you, look no further! Northrop Grumman's Space Sector provides an arena where your passion for innovation and quest for exploration are welcome. As a GNC Engineer: Modeling Simulation and Analysis - Level 3 or Level 4 your role at Chandler, AZ will be pivotal in supporting missions critical to national and global security. This position is 100% onsite and cannot accommodate telecommute work. Ready to join forces with our visionary team? This position offers an exciting opportunity to shape the future of missile system technology by spearheading the design, development, and integration of advanced guidance, navigation, and control software. You will create high‑quality simulation toolchains and modeling frameworks while supporting the GPI (Glide Phase Interceptor) program, ensuring our aerospace systems continue to push the boundaries of performance and innovation in a dynamic, collaborative environment. This position will work a 9/80 schedule, with every other Friday off. If this job description reads like it was written specifically for you, consider joining our team! This position is contingent upon the candidate obtaining final clearances and program access(es) within a reasonable period of time as determined by the company. This position can be filled at either a Level 3 or Level 4.

Requirements

Requires an active U.S. Government DoD Secret security clearance at time of application, current and within scope
Proficiency in object‑oriented programming, especially C++, and scripting with Bash, Python, and MATLAB.
Experience using job schedulers such as SLURM or PBS.
Strong understanding of how performance metrics are applied to evaluate missile systems.

Nice To Haves

Experience working with GNC algorithms for hypersonic missiles
Experience with IR discrimination and tracking
Create CI/CD Pipelines - able to automate simulation runs and post processing
Experience running 6DOF/3DOF simulations on HPC cluster for modeling vehicle trajectory and performance
Familiarity with state estimation and state propagation techniques

Responsibilities

Design, develop, implement, verify, and test high‑quality software and simulation toolchains for missile flight systems.
Develop and integrate autopilot and guidance algorithms directly into missile flight code.
Seamlessly incorporate algorithms into the vehicle's flight software while collaborating with software and hardware teams.
Utilize various trajectory‑optimization tools to generate, interpret, and analyze vehicle trajectory results.
Modify or create new scripts (e.g., Python, MATLAB, Bash) to capture customer requirements and measure vehicle performance.
Build, validate, and maintain modeling and simulation frameworks for aerospace vehicles and components, ensuring accuracy across operational scenarios.
Enhance simulation fidelity by integrating advanced modeling techniques to support system analysis and decision‑making.
Conduct rigorous testing and evaluation of simulation models, identifying and resolving discrepancies between simulated and real‑world performance metrics.
Gather, post‑process, and analyze large, complex data sets to verify and validate performance results.
Ensure that simulation outcomes match intended performance metrics and system specifications.
Other duties as assigned