{"id":3613442,"url":"https://alion.io/job/northrop-grumman-principal-sr-principal-software-engineer-onsite-customer-integration","title":"Principal / Sr. Principal Software Engineer - Onsite Customer Integration","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":522,"ghost_share":0.006,"stale_share":0.711,"repost_share":0.027,"time_to_fill_p50_days":26,"computed_at":"2026-11-05T05:54:30Z"}},"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":"structured","locations":["United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":98400,"max":171000,"currency":"USD","period":"year","gross":null,"usd_annual":171000},"salary_estimate":null,"experience_years_min":3,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"C++","optional":false},{"name":"Linux","optional":false}],"status":"live","first_seen_at":"2026-11-02T15:22:44Z","employer_posted_date":"2026-11-02","last_verified_at":"2026-11-05T09:47:34Z","board_verified":true,"closed_at":null,"days_open":2,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":2},"description":"RELOCATION ASSISTANCE: Relocation assistance may be availableCLEARANCE REQUIRED FOR START: YesCLEARANCE TYPE: SecretTRAVEL: Yes, 50% 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 Principal / Sr. Principal Software Engineer - Onsite Customer Integration to join Global Surveillance Division supporting the E-2D team of qualified, diverse individuals. This position is located onsite in Patuxent River, MD.\nResponsibilities include deploying, automating, maintaining, troubleshooting, and improving the systems and software infrastructure. This role requires you to have hands-on technical experience and a can-do approach towards environment automation and management along with continuous improvements. You will be involved in the design and implementation of application builds, releases, deployment, and configuration activities.\nThe Software Engineer will participate in the full lifecycle of software development, including requirements development, modeling and design, application development, unit to CSCI testing, software-hardware integration, formal system testing, release, installation, and maintenance. The Software Engineer will apply technical expertise in solving complex integrations problems. The Software Engineer will interact with Program Management, external suppliers and/or government customers. Therefore, excellent verbal, written, and interpersonal skills are required. Experience in OS configuration, bash scripting, C/C++, or other OOP languages, and networking in a Linux environment is strongly desired.\nEssential Functions:\nFull lifecycle design, implementation, and unit testing of software\nWork with various team members and customers to integrate functionality with other software components.\nSupporting the gathering and reporting software metrics.\nFollow program software best practices.\nDevelop software products within all phases of the software lifecycle.\nWork closely with engineers and technicians in a lab environment\nReview, analyze, and incorporate technical requirements into end-to-end system architectures\nFrequent travel required up to 50%\nAbility to work with multiple teams and provide leadership to drive solutions of complex problems.\nSupport software working groups with the customer.\nDevelop and share technical documentation and presentations.\nThis position may be filled at either a Principal Software Engineer Level 3 or a Sr. Principal Software Engineer Level 4\n\nBasic Qualifications:\n (Principal Software Engineer, Level 3) Bachelor’s Degree in a STEM (Science, Technology, Engineering or Mathematics) discipline and 5 years of related engineering experience; OR a Master’s degree in a STEM discipline and 3 years of related engineering experience; OR a PhD in a STEM discipline and 1 years of related engineering experience.\n (Sr. Principal Software Engineer, Level 4) Bachelor’s Degree in a STEM (Science, Technology, Engineering or Mathematics) discipline and 8 years of related engineering experience; OR a Master’s degree in a STEM discipline and 6 years of related engineering experience; OR a PhD in a STEM discipline and 4 years of related engineering experience\nDevelopment experience with C/C++ or other OOP languages.\nAt least 3 years of experience working on integration of technical solutions for a software product.\nAt least 3 years of experience working on a project with formal requirements and test.\nAbility to travel from Pax, MD to Melbourne, FL. Must be able to spend at least one week a month in Melbourne, FL\nMust have the ability to obtain and maintain a US Government clearance and Special Access Program (SAP) within a reasonable amount of time as determined by business needs (interim secret clearance required to start)\nPreferred Qualifications:\nExperience working with remote teams in closed environments.\nExperience with System Engineer principals and Software Architecture best practices.\nExperience with writing, reviewing and integrating formal requirements and maintaining matrix of requirements to test cases.\nExperience with writing, reviewing, and updating formal test procedures.\nPresenting at formal SETR events such as PDR, CDR, and TRR.\nActive TS/SCI, SAP/SAR access, or Polygraph is preferred.\nPrimary Level Salary Range: $98,400.00 - $171,000.00Secondary Level Salary Range: $122,800.00 - $213,400.00The 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. U.S. Citizenship is required for all positions with a government clearance and certain other restricted positions.","description_format":"text","description_chars":6677,"description_truncated":false,"requirements":{"experience_years_min":3,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":true,"languages":[]},"benefits":["Annual bonuses","Health insurance","Insurance coverage","Relocation assistance"],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":true,"industries":["Aerospace Manufacturing","Satellite Manufacturing","C4ISR","Space Defense"],"lifecycle":[{"event":"open","at":"2026-11-02T15:22:44Z"}],"visa":[],"liveness":{"score":63,"band":"ok","label":"Likely open","p_open":1,"p_active":0.632,"p_room":1,"age_days":2,"expected_fill_days":26,"reasons":["conf:2","stale_co","velocity","win:early","comp:brand"],"computed_at":"2026-11-05T05:54:30Z"},"pay":{"stated_usd_annual":171000,"is_top_pay":false},"html_url":"https://alion.io/job/northrop-grumman-principal-sr-principal-software-engineer-onsite-customer-integration","json_url":"https://alion.io/job/northrop-grumman-principal-sr-principal-software-engineer-onsite-customer-integration.json","meta":{"generated_at":"2026-11-05T12:07:01Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":15587,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-06T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":12494},"rest":"https://alion.io/mcp/rest/get_company?id=12494"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fnorthrop-grumman-principal-sr-principal-software-engineer-onsite-customer-integration"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Fnorthrop-grumman-principal-sr-principal-software-engineer-onsite-customer-integration"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Fnorthrop-grumman-principal-sr-principal-software-engineer-onsite-customer-integration"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/northrop-grumman-principal-sr-principal-software-engineer-onsite-customer-integration\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fnorthrop-grumman-principal-sr-principal-software-engineer-onsite-customer-integration"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3613442}},{"tool":"search_jobs","arguments":{"company":"northropgrumman.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3613442},"note":"people open to offers who fit this vacancy"}],"note":"The same data through MCP tools: https://alion.io/mcp/open needs no sign-in (compact searches, postings, people); https://alion.io/mcp with an Alion account has everything. Docs: https://alion.io/developers"}}