{"id":3183534,"url":"https://alion.io/job/northrop-grumman-2027-principal-systems-mod-sim-engineer-ca-va","title":"2027 Principal Systems Mod Sim Engineer - CA & VA","company":{"id":12494,"name":"Northrop Grumman","domain":"northropgrumman.com","url":"https://alion.io/company/northropgrumman","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"B","score":81,"open_postings":504,"ghost_share":0.004,"stale_share":0.722,"repost_share":0.026,"time_to_fill_p50_days":26,"computed_at":"2026-11-04T06:34:25Z"}},"role":"Industrial Engineering","role_family":"Industrial Engineering","seniority":"lead","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"explicit","locations":["Redondo Beach, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":114000,"max":171000,"currency":"USD","period":"year","gross":null,"usd_annual":171000},"salary_estimate":null,"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"AFSIM","optional":true},{"name":"Bitbucket","optional":true},{"name":"Confluence","optional":true},{"name":"GitHub","optional":true},{"name":"Jira","optional":true},{"name":"Python","optional":true}],"status":"closed","first_seen_at":"2026-10-22T00:00:00Z","employer_posted_date":"2026-10-22","last_verified_at":"2026-10-27T05:22:50Z","board_verified":false,"closed_at":"2026-10-27T05:22:50Z","days_open":5,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":5},"description":"RELOCATION ASSISTANCE: Relocation assistance may be availableCLEARANCE REQUIRED FOR START: YesCLEARANCE TYPE: SecretTRAVEL: Yes, 10% of the TimeDescription\nAt 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 Aeronautics Systems sector has an opening for a Modeling, Simulation, and Analysis Engineer (Principal Engineer Level) to join our team of qualified, diverse individuals within our Systems Engineering organization. This position is located in Redondo Beach, CA or Fall Church, VA.\nNorthrop Grumman’s Aeronautics Systems - Research & Advanced Design (R&AD) transforms breakthrough ideas into mission-ready capabilities through intelligent anticipation. We’re the front-end design engine, defining what comes next. From developing cutting-edge next-generation future aircraft to trailblazing collaborative autonomous platforms, we push the boundaries of technology and forge industry-leading partnerships that set new standards for what’s possible.\nOur team owns the full lifecycle of advanced concept creation, from visionary early-stage designs and rapid prototyping to high-impact demonstrations and solving the toughest technical challenges in survivability, autonomy, and battle management. We seek curious, adaptable people who thrive on turning intuition into breakthrough solutions. If you’re driven to invent the future, build what’s next, and shape the landscape of national security, this is where you belong.\nIn this role, you will serve as an experienced Modeling Simulation and Analysis Engineer to join the Campaign Analysis (CA) Program, part of Systems Analysis and Simulation (SA&S) Organization. You will be responsible for development and analysis of campaign simulations. You will also be responsible for providing guidance on implementing best practices, tools, methodologies to enhance efficiency and effectiveness of OA and Systems Engineering processes. Finally, you will be responsible for developing materials and presenting to internal and external stakeholders.\nAdditional responsibilities include:\nDeveloping and implementing comprehensive test strategies, plans, procedures. Ensure compliance with program requirements, industry standards, NG processes as needed. \nSoliciting input from various stakeholders, synthesize data, and communicate results to various levels of leadership within the organization.\nDeveloping and translating CONOPs and related tactics into modeled simulation behaviors in campaign-level models\nDelivering campaign-level analysis to solve a variety of fleet sizing and operational problems\nCollaborating closely with cross functional teams and cross (related) programs and SA&S teams\nDeveloping roadmaps and plans to support Campaign Analysis strategic objectives\nServing as key liaison for inquiries and communications regarding related products and services\nCritical Skills for Success in this Role:\nAbility to communicate effectively both orally and in writing\nAbility to maintain cooperative working relationships with existing and prospective stakeholders\nAbility to prioritize and adjust tasks to accomplish project results\nAbility to clearly present technical approaches and findings to a variety of audiences\n Basic Qualifications:\nMust have a Bachelors of Science degree in a STEM field or be completing a Bachelors of Science degree in a STEM field by August 2027 and at least 5 years of relevant military / professional experience, OR a Master's Degree in a STEM field or be completing a Master's Degree in a STEM field by August 2027 and at least 3 years of relevant military / professional experience, OR a have a PhD or be completing a PhD by August 2027 and at least 1 year of relevant military / professional / academic experience\nMust have the ability to obtain and maintain a US Government Secret or higher clearance (with a background investigation completed within the last 6 years or currently enrolled into Continuous Evaluation).\nMust have the ability to obtain and maintain Special Access Program (SAP) clearance within a reasonable amount of time as determined by business needs. Final clearance and program access may be required to start. \nPreferred Qualifications\nMust be familiar with military operations analysis\nExperience with Objected Oriented Python for Simulation\nExperienced in Campaign-level Simulation and Modeling Analysis\nExperienced in wargaming or virtual simulation at the campaign or mission level\nExperience with multi-resolution conceptual model development, verification, and validation processes to develop simulations to address questions on military operations.\nExperience with linear and non-linear optimization models and their application\nExperience with relevant Operation Analysis Tools: AFSIM, CFAM, STORM, COSAGE \nFamiliar with team collaboration tools like Jira, Confluence, Bitbucket, Github, etc.\nPay Range\nPrincipal Engineer Modeling and Simulation: $114,000.00-$171,000.00\nCampusjobs\nThe 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 http://www.northropgrumman.com/EEO. 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