{"id":2493041,"url":"https://alion.io/job/northrop-grumman-internal-only-principal-software-engineer-26-434","title":"INTERNAL ONLY: Principal Software Engineer (26-434)","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":80,"open_postings":515,"ghost_share":0.002,"stale_share":0.779,"repost_share":0.014,"time_to_fill_p50_days":28,"computed_at":"2026-11-12T10:38:37Z"}},"role":"Backend","role_family":"Backend","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":["Colorado Springs, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":103600,"max":155400,"currency":"USD","period":"year","gross":null,"usd_annual":155400},"salary_estimate":null,"experience_years_min":9,"visa_sponsorship":false,"relocation_package":true,"has_equity":false,"technologies":[{"name":"Agile","optional":false},{"name":"Confluence","optional":false},{"name":"Git","optional":false},{"name":"Java","optional":false},{"name":"Linux","optional":false},{"name":"Maven","optional":false},{"name":"UML","optional":false},{"name":"Unix","optional":false},{"name":"CI/CD","optional":true}],"status":"live","first_seen_at":"2026-10-13T00:00:00Z","employer_posted_date":"2026-10-13","last_verified_at":"2026-11-13T17:54:33Z","board_verified":true,"closed_at":null,"days_open":31,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":31},"description":"RELOCATION ASSISTANCE: No relocation assistance 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.Northrop Grumman Space Systems-Missile Defense Integration offers an excellent opportunity for a Principal Software Engineer (26-434) to join our team of skilled and diverse professionals. Based in Colorado Springs, CO, this role is essential to supporting the U.S. President, the Secretary of Defense, and combatant commanders at the strategic, regional, and operational levels.\nNOTE: This position is only available to current and active C2BMC personnel\nThis position does not provide relocation assistance and requires on-site work with no remote options.\nPosition Overview:\nThe Command and Control, Battle Management, and Communications (C2BMC) program is a key component of the Missile Defense System. It is a vital operational system that enables the U.S. President, the Secretary of Defense, and combatant commanders at strategic, regional, and operational levels to plan ballistic missile defense operations systematically, collectively monitor the battle, and dynamically control networked sensors and weapon systems to achieve global and regional mission goals.\nC2BMC supports layered missile defense capabilities that enable an optimized response to threats across all ranges and flight phases. It serves as a force multiplier by networking, integrating, and synchronizing autonomous sensor and weapon systems and operations, both globally and regionally, to improve performance. C2BMC is essential for all ground and flight tests that verify and demonstrate the current and future capabilities of missile defense systems.\nWe are seeking a Software Engineer to join the C2BMC Global team, with a primary responsibility for developing Java software for a large, distributed, mission-critical system.\nEssential Functions:\nIn this role, you will:\nDesign, develop, and maintain Java-based software for the C2BMC Global system, contributing to a large, complex, distributed mission environment\nProvide in-depth analysis and technical support of a large Java code baseline, including complex problem resolution, design, development, integration, testing, and user support\nFollow specifications and system requirements to develop or modify functionality within the code base, ensuring robustness, performance, and maintainability\nDesign, code, test, and implement tools to support automation and improve operational efficiency and system reliability\nAssist with software design, benchmark testing, debugging, and documentation to support new capabilities and enhancements\nInterface with other system support groups, including systems engineering, integration and test, cyber, operations, and other development teams-to resolve problems, set standards, and improve overall system efficiency\nAnalyze and troubleshoot performance and operational issues, identify root causes, and recommend and implement effective solutions\nWork both independently and as part of a small, focused team in a highly dynamic and evolving environment, adapting to changing priorities and tasking\nPrepare and maintain technical documentation, including design descriptions, test plans, test reports, and user support materials\nApply established software practices and coding standards to ensure quality, consistency, and compliance with programming and customer expectations\nContribute to continuous improvement initiatives, leveraging lessons learned and emerging technologies to enhance C2BMC Global capabilities\nBasic Qualifications:\nPlease list your current security clearance and IAT or relevant certifications on your resume, if applicable.\nA Bachelor’s Degree in Computer Science, Software Engineering, Mathematics, Physics, or a related field from an accredited university, along with 5 years of experience; or a Master’s degree in a related field with 3 years of relevant work experience; or 9 years of relevant work experience may be considered as an alternative to a degree\nApplicants must have a current, active in-scope Government-issued Top Secret security clearance at the time of application, which is required to start with the eligibility to be read onto SCI clearance\nProficiency in Java, with the ability to design, develop, test, and troubleshoot Java applications in a complex, distributed environment\nExperience developing software in a Unix/Linux environment\nStrong understanding of software development principles, including:\nObject-oriented programming (OOP)\nCommon design patterns\nTesting and debugging techniques\nEffective oral and written communication skills, with the ability to interact professionally with team members, stakeholders, and customers\nAbility to work effectively in a rapid-paced, collaborative team environment, as well as independently when needed\nKnowledge of software engineering practices and coding standards, and the discipline to work within a structured development and release environment\nStrong problem-solving skills, including the ability to:\nReview performance and operational issues\nIdentify root causes\nRecommend and develop appropriate solutions\nExperience working as part of an Agile software development team\nFamiliarity with Java Spring and related frameworks\nKnowledge of server-side development and message passing in distributed systems\nExperience developing enterprise-scale applications\nFlexibility and willingness to take on unanticipated tasking and rapidly learn new technologies or domains\nExperience using common software development and management tools such as:\n Git, Nexus, JIRA, Confluence, Maven, Eclipse (or similar IDEs)\nUnderstanding standard systems engineering design artifacts such as Use Cases and UML diagrams, and how they drive software design and implementation\nPreferred Qualifications:\nCandidates with these additional qualifications will be especially competitive:\nApplicants with a current, active Government-Issued 8140 certification at IAT Level II or higher (such as Security+ CE, CCNA-Security, CySA+, CND, etc.) at the time of application are highly desired\nCommand and control system application development experience, particularly in defense or real-time/near-real-time environments\nPrevious experience with message translation software and related integration patterns\nPrior experience designing and developing microservices and deploying them using containers\nWhat We Can Offer You:\nNorthrop Grumman provides a comprehensive benefits package and a supportive work environment that encourages your growth, benefiting both employees and the company. The benefits are flexible and customizable, enabling you to choose options that suit your individual and family needs. Your benefits will include the following:\nHealth Plan\nSavings Plan\nPaid Time Off\nEducation Assistance\nTraining and Development\nFlexible Work Arrangements\nhttps://benefits.northropgrumman.com/us/en2/BenefitsOverview/Pages/default.aspx\n#CI/CD\n\nPrimary Level Salary Range: $103,600.00 - $155,400.00The 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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