Responsibilities: Designing, developing, implementing, verifying, and testing high‐quality flight and simulation software; developing and maintaining 6‐DOF simulations to design, analyze, and test flight algorithms and code; optimizing flight and simulation software for performance, robustness, and maintainability; and using trajectory optimization and analysis tools to evaluate mission performance and GNC designs. Tittle : Associate GNC Engineer - Tracking & Estimation Work Location: Onsite in Chandler, AZ Duration: 12 months Terms: W2 Contract Work Authorization: US Citizen; must hold an active/current Secret security clearance Job Description Our Client is seeking a Guidance Navigation Control Engineer II for an opportunity with our client in the Aerospace and Defense Manufacturing industry.