RELOCATION ASSISTANCE: No relocation assistance 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’s Space Sector is seeking a Systems Engineer: Mission Modeling Simulation – Level 4 to join our team in Chandler, AZ. This position will support mission‑level and system‑level modeling, simulation, and analysis for advanced missile and interceptor systems. In this role, you will support complex architecture and simulation frameworks, drive mission engineering and operations analysis, and perform trade studies that shape system architectures, requirements, and concepts of operation. You will be a key technical contributor who collaborates across disciplines and engages directly with program and customer leadership. This position is 100% on site in Chandler, AZ (strongly preferred). Remote candidates may also be considered You will work with systems, GNC, seeker/sensor, software, mission, and integration & test engineers 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 * Integrate and use graphical user interfaces and visualization tools * Link operational mission needs and analysis results to support development of system and subsystem requirements, engineering analyses, performance metrics, test strategies, documentation / reports, and content for specifications and reviews * Develop and present analysis‑backed recommendations that influence architecture trades, CONOPS, and Tactics, Techniques, and Procedures (TTPs) Basic Qualifications: * Bachelor’s degree in a STEM discipline with 8 years of professional experience in systems engineering or modeling and simulation – OR – Master’s degree and 6 years; or Ph.D. and 4 years * U.S. Citizenship is required. * Must have an active U.S. Government Secret security clearance * Demonstrated experience supporting mission‑level and system‑level modeling and simulation for missile/interceptor or integrated air and missile defense programs * Hands‑on experience with operations analysis and virtual simulation tools such as AFSIM, NGTS, Brawler, STK, MATLAB/Simulink, or similar environments * Strong background in probability, statistics, and design of experiments applied to weapon system and mission performance * Demonstrated experience supporting technical teams, defining MS&A plans, and reviewing/approving models, assumptions, and analysis results Preferred Qualifications: * Ability to obtain and maintain Top Secret and/or Special Access Program (SAP) access; active TS/SAP is highly preferred * Excellent written and verbal communication skills, including briefing complex analysis outcomes to program and customer leadership * Demonstrated resolve to drive tasks to completion, both independently and in collaborative teams, and possess strong mentoring / training skills * Experience in one or more of the following areas: * Missile/interceptor GNC and tracking/estimation (Kalman filtering, particle filtering, optimal estimation theory) * RF or EO/IR seeker/sensor modeling * Integrated air defense systems (IADS) or threat modeling * Electronic attack, electronic protection, and countermeasures modeling * Survivability, lethality, and vulnerability analysis at the weapon or mission level * Experience with Model‑Based Systems Engineering (MBSE) and digital engineering, integrating MS&A into system architecture and requirements flow down * Experience defining TTPs and CONOPS using mission‑level simulations and kill‑chain analysis * Proficiency in MATLAB, Python, C/C++ or similar languages for algorithm development, model integration, scripting, and data analysis * Demonstrated ability to drive improvements in MS&A tools, visualization frameworks, and data analysis workflows Curious about all the exciting developments with the Northrop Grumman Space Sector? Click the link below: Working at Northrop Grumman is more than just a paycheck. We offer a comprehensive Total Rewards and benefits package designed to help you thrive at work and in life. For more information on our Total Rewards package, please visit our Total Rewards site. Northrop Grumman Total Rewards #SpaceSysEngJobs Primary Level Salary Range: $122,800.00 - $184,200.00 The above salary range represents a general guideline; however, Northrop Grumman considers a number of factors when determining base salary offers such as the scope and responsibilities of the position and the candidate's experience, education, skills and current market conditions. Depending on the position, employees may be eligible for overtime, shift differential, and a discretionary bonus in addition to base pay. Annual bonuses are designed to reward individual contributions as well as allow employees to share in company results. Employees in Vice President or Director positions may be eligible for Long Term Incentives. In addition, Northrop Grumman provides a variety of benefits including health insurance coverage, life and disability insurance, savings plan, Company paid holidays and paid time off (PTO) for vacation and/or personal business. The application period for the job is estimated to be 20 days from the job posting date. However, this timeline may be shortened or extended depending on business needs and the availability of qualified candidates. Northrop Grumman is an Equal Opportunity Employer, making decisions without regard to race, color, religion, creed, sex, sexual orientation, gender identity, marital status, national origin, age, veteran status, disability, or any other protected class. For our complete EEO and pay transparency statement, please visit U.S. Citizenship is required for all positions with a government clearance and certain other restricted positions.