Systems Engineer Level 5 - Mission Modeling Simulation

RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE REQUIRED FOR START: Yes CLEARANCE TYPE: Secret TRAVEL: Yes, 10% of the Time Description 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. Northrop Grumman is seeking a  Systems Engineer - Level 5, Mission Modeling Simulation,  located in Chandler, AZ.  This position will support mission‑level and system‑level modeling, simulation, and analysis for advanced missile and interceptor systems. You will design and implement physics‑based models, construct mission and engagement scenarios, and perform quantitative analyses that support requirements development, design trades, and performance verification. This role is ideal for an experienced engineer who enjoys hands‑on modeling and analysis while collaborating closely with cross‑functional teams. This position is 100% on site in Chandler, AZ (strongly preferred). Remote candidates may also be considered You will work with various engineering disciplines (systems, GNC, seeker/sensor, software, mission, integration & test, etc.) to: Develop and integrate mission‑level and system‑level performance models, algorithms, and simulations of missiles, interceptors, sensors, threats, and command‑and‑control systems Perform operations and behavior analysis, mission effectiveness studies, and assess architecture alternatives for delivering an effect or capability within a broader campaign, including end‑to‑end engagement and campaign‑level assessments Implement algorithms and analysis scripts in MATLAB, Python, C/C++ or similar tools to support constructive and real‑time simulations Build operationally relevant scenarios to assess end‑to‑end performance against representative air and missile threats Perform trade studies, sensitivity analyses, and design of experiments to quantify performance, robustness, and mission utility Document assumptions, methods, and results in clear technical reports and present findings to project teams and technical reviewers Basic Qualifications U.S. citizenship is required Active US Government Secret security clearance   Bachelor’s degree in a STEM discipline (Systems, Aerospace, Mechanical, Electrical Engineering; Physics; Applied Mathematics; Computer Science; etc.) and  12 years  of related experience in modeling and simulation or operations analysis; or Master’s degree and  10 years ; or Ph.D. and  8 years Demonstrated experience in modeling, simulation, and analysis for defense systems, preferably missiles, interceptors, or related weapon/mission systems Hands‑on experience with operations analysis and/or virtual simulation tools (e.g., AFSIM, NGTS, Brawler, STK, MATLAB/Simulink) Strong background in probability, statistics, and design of experiments applied to weapon system and mission performance Proficiency in MATLAB, Python, C/C++ or similar languages for algorithm development, model integration, scripting, and data analysis Experience modeling operational environments and performing mission effectiveness trade studies Excellent written and verbal communication skills, including briefing complex analysis outcomes to program and customer leadership Demonstrated resolve to drive