{"id":3385214,"url":"https://alion.io/job/northrop-grumman-systems-engineer-principal-systems-engineer","title":"Systems Engineer / Principal Systems Engineer","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":82,"open_postings":498,"ghost_share":0.002,"stale_share":0.697,"repost_share":0.014,"time_to_fill_p50_days":25,"computed_at":"2026-10-30T05:48:23Z"}},"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":"structured","locations":["Woodland Hills, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":91800,"max":137600,"currency":"USD","period":"year","gross":null,"usd_annual":137600},"salary_estimate":null,"experience_years_min":2,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agile","optional":false},{"name":"MBSE","optional":false},{"name":"C++","optional":true},{"name":"Cameo Systems Modeler","optional":true},{"name":"DoDAF","optional":true},{"name":"Python","optional":true},{"name":"SysML","optional":true}],"status":"live","first_seen_at":"2026-10-03T00:00:00Z","employer_posted_date":"2026-10-03","last_verified_at":"2026-10-30T08:07:02Z","board_verified":true,"closed_at":null,"days_open":27,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":27},"description":"RELOCATION ASSISTANCE: Relocation assistance may be availableCLEARANCE REQUIRED FOR START: YesCLEARANCE TYPE: Top 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.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.\nNorthrop Grumman Mission Systems is a trusted provider of mission-enabling solutions for global security. Our Engineering and Sciences (E&S) organization pushes the boundaries of innovation, redefines engineering capabilities, and drives advances in various sciences. Our team is chartered with providing the skills, innovative technologies to develop, design, produce and sustain optimized product lines across the sector while providing a decisive advantage to the warfighter. Come be a part of our mission!\nWe are looking for you to join our team as a Systems Engineer or Principal Systems Engineer based out of Woodland Hills, CA. In this role, you will have a challenging and rewarding opportunity to be a part of our Enterprise-wide digital transformation. Through the use of Model-based Engineering to model systems and processes, in addition to DevSecOps and Agile practices, we continue to evolve how we deliver critical national defense products and capabilities for the warfighter. Our success is grounded in our ability to embrace change, move quickly and continuously drive innovation. The successful candidate will be collaborative, open, transparent, and team-oriented with a focus on team empowerment & shared responsibility, flexibility, continuous learning, and a culture of innovation.\nFor this role, responsibilities include but are not limited to the following:\nDevelop model profiles, system diagrams, architecture frameworks, and model queries in the MBSE tools that capture and analyze systems throughout their lifecycle from concept definition through integration.\nWork closely with Software Leads to understand program intent, system capabilities, and output requirements\nIntegrate and collaborate with multi-disciplinary technical teams to transform requirements and technical information into MBSE tools for analysis and decision-making.\nProvide recommendations derived from analysis results to optimize system performance and ensure compliance with requirements through formal presentations to technical leads and reports.\nSupport the development of architecture models\nPerform model configuration management\nInterface with cross-functional teams including technical leads, product owners, program management, and government customers to ensure that high-quality products are generated on time and within the available resources\nBe actively involved in the efforts associated with Agile development, including iteration planning and status\nThis requisition may be filled at a higher grade based on qualifications listed below\nThis requisition may be filled at either a Level 2 or a Principal Level.\nBasic Qualifications for a Systems Engineer:\nBachelor's degree in a STEM discipline with 2+ years of relative experience; Master's degree in a STEM discipline with 0+ years of relative experience\nUS Citizenship is required\nActive US Government Top Secret security clearance\nAbility to meet customer-specific security screening requirements within a timeframe set forth by management\nWillingness and ability to work onsite full-time\nDemonstrated ability to create flexible, robust models of complex systems that can be adapted and iterated upon to satisfy and provide traceability of evolving requirements\nDemonstrated experience in common Systems Engineering functions (e.g., requirements capture and management, system diagram and goal definition and updates, etc.)\nWorking knowledge of MBSE standards to guide model development\nBasic Qualifications for a Principal Systems Engineer:\n5 years of Engineering experience with a Bachelors of Science in a STEM discipline; 3 years of Engineering experience with Masters; 1 Year with a PhD\nUS Citizenship is required\nActive US Government Top Secret security clearance\nAbility to meet customer-specific security screening requirements within a timeframe set forth by management\nWillingness and ability to work onsite full-time\nDemonstrated ability to create flexible, robust models of complex systems that can be adapted and iterated upon to satisfy and provide traceability of evolving requirements\nDemonstrated experience in common Systems Engineering functions (e.g., requirements capture and management, system diagram and goal definition and updates, etc.)\nWorking knowledge of MBSE standards to guide model development\nPreferred Qualifications:\nExperience developing models using the DoD Architecture Framework (DoDAF 2.0) modeling framework within the CAMEO development environment\nCustom plug-ins and other modeling tool customizations are preferred\nMust have a solid understanding of general systems engineering practices and tools\nDemonstrated proficiency with systems modeling languages (SysML) or other industry-specific modeling languages\nDemonstrated ability to communicate cross-functionally and interpret information across multiple engineering disciplines and operations\nAbility to quickly self-learn relevant subject matter from a variety of new disciplines\nDemonstrated excellent written and oral communication skills\nExperience developing software using C++ and Python\nThis position is contingent upon the successful transfer of an active DoD Top Secret Clearance and the ability to meet customer-specific security screening requirements within a timeframe set forth by management.\nPrimary Level Salary Range: $91,800.00 - $137,600.00Secondary Level Salary Range: $114,000.00 - $171,000.00The 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. 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