{"id":1404059,"url":"https://alion.io/job/general-dynamics-mission-systems-senior-principal-software-engineer","title":"Senior Principal Software Engineer","company":{"id":1836162,"name":"General Dynamics Mission Systems","domain":"gdmissionsystems.com","url":"https://alion.io/company/gdmissionsystems-com","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"iCIMS","truth_index":null},"role":"Backend","role_family":"Backend","seniority":"lead","employment_type":null,"work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Annapolis Junction, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":183381,"max":193049,"currency":"USD","period":"year","gross":null,"usd_annual":193049},"salary_estimate":null,"experience_years_min":10,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"CI/CD","optional":true},{"name":"containerd","optional":true},{"name":"Docker","optional":true},{"name":"Helm","optional":true},{"name":"Kubernetes","optional":true},{"name":"Linux","optional":true},{"name":"Model Context Protocol","optional":true},{"name":"Podman","optional":true}],"status":"live","first_seen_at":"2026-09-28T17:00:00Z","employer_posted_date":"2026-09-28","last_verified_at":"2026-10-20T01:04:00Z","board_verified":true,"closed_at":null,"days_open":21,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":21},"description":"Basic Qualifications\nEDUCATION REQUIREMENTS: Bachelor's degree in Software Engineering, or related Science, Technology, Engineering or Mathematics field, plus a minimum of 10 years of relevant experience; or Master's degree, plus 8 years relevant experience.\nCLEARANCE REQUIREMENTS: Ability to obtain a Department of Defense TS/SCI security clearance is required at time of hire. Applicants selected will be subject to a U.S. Government security investigation and must meet eligibility requirements for access to classified information. Due to the nature of work performed within our facilities, U.S. citizenship is required.\nResponsibilities for this Position\nWe encourage you to apply if you have any of these preferred skills or experiences:\nDemonstrated ownership of the full software development lifecycle\nProven technical leadership of software engineers\nTrack record of taking software from prototype/R&D maturity to production-quality, maintainable, deliverable products\nStrong grounding in software engineering best practices (testing, version control, design review, documentation, technical debt management)\nDeveloping C2, device management, or platform control software for custom/proprietary hardware\nDesigning software interfaces to FPGA-based systems or bespoke embedded hardware\nStateful system design: state machines, operational sequencing, configuration management, and fault handling\nBuilding and maintaining CI/CD pipelines\nKubernetes administration and operations, including authoring Helm charts for application packaging and deployment\nContainerization technologies (containerd, Docker, Podman)\nEnterprise software design principles: API design, service-oriented architecture, modular/layered system design\nEmbedded software development in a Linux environment\nWhat sets you apart:\nExperience with optical, RF, or other communication system modem hardware\nFamiliarity with hardware-software co-design workflows and FPGA integration patterns\nTrack record of driving software platform reuse across multiple programs or product lines\nExperience standing up development environments, toolchains, and engineering infrastructure for small-to-mid-size teams\nExperience applying AI/ML tools to accelerate engineering workflows\nCreative thinker with demonstrated success leading the software development life cycle\nCommitment to growing and developing others, building long-term subject matter experts, not just executing on current contracts\nExceptional communication skills with the capacity to coordinate across multidisciplinary hardware and software teams\nMCP (Model Context Protocol) server development and AI-tooling integration\nOur Commitment to You:\nAn exciting career path with opportunities for continuous learning and development. \nResearch oriented work, alongside award winning teams developing practical solutions for our nation’s security\nFlexible schedules with every other Friday off work, if desired (9/80 schedule)\nCompetitive benefits, including 401k matching, flex time off, paid parental leave, healthcare benefits, health & wellness programs, employee resource and social groups, and more\nSee more at gdmissionsystems.com/careers/why-work-for-us/benefits\nWorkplace Options:\nThis position is fully on-site or hybrid/Flex as desired.\nWhile on-site, you will be a part of the Annapolis Junction, MD facility.\nSalary Note\nThis estimate represents the typical salary range for this position based on experience and other factors (geographic location, etc.). Actual pay may vary. This job posting will remain open until the position is filled.Combined Salary Range\nUSD $183,381.00 - USD $193,049.00 /Yr.Company Overview\nGeneral Dynamics Mission Systems (GDMS) engineers a diverse portfolio of high technology solutions, products and services that enable customers to successfully execute missions across all domains of operation. With a global team of 12,000+ top professionals, we partner with the best in industry to expand the bounds of innovation in the defense and scientific arenas. Given the nature of our work and who we are, we value trust, honesty, alignment and transparency. We offer highly competitive benefits and pride ourselves in being a great place to work with a shared sense of purpose. You will also enjoy a flexible work environment where contributions are recognized and rewarded. If who we are and what we do resonates with you, we invite you to join our high-performance team!\nEqual Opportunity Employer / Individuals with Disabilities / Protected Veterans","description_format":"text","description_chars":4513,"description_truncated":false,"requirements":{"experience_years_min":10,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":true,"languages":[]},"benefits":["401k plan","Continuous learning","Flexible schedule","Parental leave","Wellness"],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Military","National Security","Defense Manufacturing"],"lifecycle":[{"event":"open","at":"2026-09-28T17:00:00Z"}],"visa":[],"liveness":{"score":19,"band":"cold","label":"Long shot","p_open":1,"p_active":0.553,"p_room":0.35,"age_days":20,"expected_fill_days":8,"reasons":["conf:0","velocity","win:tail","comp:brand"],"computed_at":"2026-10-19T05:45:15Z"},"pay":{"stated_usd_annual":193049,"is_top_pay":false},"html_url":"https://alion.io/job/general-dynamics-mission-systems-senior-principal-software-engineer","json_url":"https://alion.io/job/general-dynamics-mission-systems-senior-principal-software-engineer.json","meta":{"generated_at":"2026-10-20T02:47:59Z","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":3092,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-21T00:00:00Z"}},"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":1836162},"rest":"https://alion.io/mcp/rest/get_company?id=1836162"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fgeneral-dynamics-mission-systems-senior-principal-software-engineer"},{"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%2Fgeneral-dynamics-mission-systems-senior-principal-software-engineer"},{"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%2Fgeneral-dynamics-mission-systems-senior-principal-software-engineer"},{"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/general-dynamics-mission-systems-senior-principal-software-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fgeneral-dynamics-mission-systems-senior-principal-software-engineer"}]}