{"id":1567381,"url":"https://alion.io/job/northrop-grumman-staff-engineer-systems-modeling-simulation","title":"Staff Engineer Systems Modeling Simulation","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":"A","score":88,"open_postings":369,"ghost_share":0,"stale_share":0.669,"repost_share":0.016,"time_to_fill_p50_days":13,"computed_at":"2026-10-02T05:45:00Z"}},"role":"Hardware","role_family":"Hardware","seniority":"staff","employment_type":"part_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Azusa, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":177000,"max":265600,"currency":"USD","period":"year","gross":null,"usd_annual":265600},"salary_estimate":null,"experience_years_min":12,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"MATLAB","optional":false},{"name":"Python","optional":false},{"name":"Unix","optional":true},{"name":"Windows","optional":true}],"status":"live","first_seen_at":"2026-09-30T00:00:00Z","employer_posted_date":"2026-09-30","last_verified_at":"2026-10-02T21:06:07Z","board_verified":true,"closed_at":null,"days_open":3,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":3},"description":"RELOCATION ASSISTANCE: Relocation assistance may be availableCLEARANCE REQUIRED FOR START: YesCLEARANCE TYPE: SCITRAVEL: 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.*Please note, the salary range listed below reflects full time hours worked. Salaries for part-time work will be pro-rated based on the weekly scheduled hours.*\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.\n*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. Continued employment thereafter will be subject to maintenance of the level of clearance and program access required for the position in the future.\nThe Northrop Grumman's Azusa, California campus is currently seeking a Staff Systems Modeling and Simulation engineer to support the development and execution of our ongoing support for the Missile Warning and Missile Defense portfolio. This position will be responsible for working within the Defense Support Program (DSP) Operations, Mission Threat Analysis (MTA) and Engineering Sustainment (DOMES) Contract. They will communicate and collaborate with customers across the Department of War and Intelligence Community and key advisory organizations (FFRDCs, UARCs, etc.) to enable and enhance our current capabilities in providing missile warning and defense with our Overhead Persistent Infrared (OPIR) assets. This person will integrate Northrop Grumman capabilities into those workflows and products, and drive the development of new solutions for our operational users and the warfighter.\nThis position is expected to be located at our Azusa, CA facility and is a full-time on-site assignment.\nJob Scope And Responsibilities\nProvide timely detailed assessment of events observed via OPIR Sensors and offer recommendations to optimize mission systems against evolving threats.\nConduct mission event performance assessments (technical intelligence, battlespace characterization) for operational and proposed systems.\nPerform sensor constellation and mission performance studies and provide recommendations to optimize system and system of systems performance.\nProvide Activity Reports and Profile/Area of Interest data files or recommended changes to files\nProvide threat profile performance briefings and recommendations to USSPACECOM, Intelligence Community, & FFRDCs\nDeliver technical briefings and modeling & simulation analysis packages.\nMaintain and enhance existing modeling and simulation capabilities for the Mission Threat Analysis team via feature updates, or deficiency mitigations.\nBasic Qualifications:\nBachelor's degree in a STEM field plus 12 or more years of relevant work experience, OR a Master’s degree in a STEM field with 10 years of experience, OR a PhD in a STEM field with 8 years of relevant experience\nActive U.S. Government Top Secret/SCI Clearance at time of application\nMissile and other threat domain experience experience, understanding of 6DOF behavioral modeling and phenomenologies (Infrared, Radar, Other).\nExperience with modeling and simulation tool baselines using a tool stack including but not limited to MATLAB, Python, and Systems Tool Kit (STK)\nPreferred Qualifications:\nExperience with pointing and control flight software constructs such as onboard attitude propagation and calibration, motor control, and anomaly, diagnostic, and resolution applications.\nProfessional experience with applied mathematics for embedded systems and numerical error analysis.\nTechnical understanding in LOS calibration techniques and working knowledge of Kalman filtering and least squares estimation techniques.\nProficiency in MATLAB and object-oriented programming.\nUnderstanding of payload operations in relation to OPIR.\nFamiliarity with commonly used tools in both MS Windows & Unix environments.\nCurious about all the exciting developments with the Northrop Grumman Space Sector? Click the link below:\nhttps://www.northropgrumman.com/space.\nWorking 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\nAs a full-time employee of Northrop Grumman, you are eligible for:\nMedical, Dental & Vision coverage\n401k\nEducational Assistance\nLife Insurance\nEmployee Assistance Programs & Work/Life Solutions\nPaid Time Off\nHealth & Wellness Resources\nEmployee Discounts\nFlexible Schedules: for example, the ability to work a 9/80 work schedule, which allows an employee to work a nine-hour day Monday through Thursday and take every other Friday off of work.\nPrimary Level Salary Range: $177,000.00 - $265,600.00The 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 http://www.northropgrumman.com/EEO. U.S. Citizenship is required for all positions with a government clearance and certain other restricted positions.","description_format":"text","description_chars":7813,"description_truncated":false,"requirements":{"experience_years_min":12,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":true,"languages":[]},"benefits":["401k plan","Annual bonuses","Flexible schedule","Health insurance","Insurance coverage","Life insurance","Relocation assistance"],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":true,"industries":["Government"],"lifecycle":[{"event":"open","at":"2026-10-01T06:12:15Z"}],"liveness":{"score":60,"band":"ok","label":"Likely open","p_open":1,"p_active":0.605,"p_room":1,"age_days":2,"expected_fill_days":13,"reasons":["conf:12","stale_co","velocity","win:early","comp:brand"],"computed_at":"2026-10-02T05:45:00Z"},"pay":{"stated_usd_annual":265600,"is_top_pay":true},"html_url":"https://alion.io/job/northrop-grumman-staff-engineer-systems-modeling-simulation","json_url":"https://alion.io/job/northrop-grumman-staff-engineer-systems-modeling-simulation.json","meta":{"generated_at":"2026-10-03T04:02:41Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","usage":{"tier":"crawler","counted_by":"address","units_charged":1,"used_today":4075,"day_limit":5000,"remaining_today":925,"minute_limit":60,"resets_at":"2026-10-04T00:00:00Z"}}}