{"id":105312,"url":"https://alion.io/job/general-dynamics-information-technology-principal-software-engineer","title":"Principal Software Engineer","company":{"id":4418,"name":"General Dynamics Information Technology","domain":"gdit.com","url":"https://alion.io/company/gdit","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"A","score":95,"open_postings":31,"ghost_share":0,"stale_share":0.387,"repost_share":0,"time_to_fill_p50_days":10,"computed_at":"2026-10-17T05:46:00Z"}},"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":["San Antonio, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":119000,"max":161000,"currency":"USD","period":"year","gross":null,"usd_annual":161000},"salary_estimate":null,"experience_years_min":10,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Ansible","optional":false},{"name":"AWS","optional":false},{"name":"Azure","optional":false},{"name":"Azure DevOps","optional":false},{"name":"Chef","optional":false},{"name":"CI/CD","optional":false},{"name":"CircleCI","optional":false},{"name":"Configuration Management","optional":false},{"name":"Docker","optional":false},{"name":"Docker Swarm","optional":false},{"name":"GCP","optional":false},{"name":"GitLab","optional":false},{"name":"GitLab CI","optional":false},{"name":"ISO 27001","optional":false},{"name":"Java","optional":false},{"name":"Jenkins","optional":false},{"name":"Kubernetes","optional":false},{"name":"Nessus","optional":false},{"name":"Puppet","optional":false},{"name":"Python","optional":false},{"name":"SOC 2","optional":false},{"name":"Splunk","optional":false},{"name":"Terraform","optional":false},{"name":"Threat Modeling","optional":false}],"status":"live","first_seen_at":"2026-07-17T00:00:00Z","employer_posted_date":"2026-07-17","last_verified_at":"2026-10-17T21:41:41Z","board_verified":true,"closed_at":null,"days_open":93,"trust":{"level":"stale","repost_count":0,"flags":["stale"],"days_open":92},"description":"Type of Requisition:\nRegularClearance Level Must Currently Possess:\nTop Secret/SCIClearance Level Must Be Able to Obtain:\nTop Secret/SCIPublic Trust/Other Required:\nNoneJob Family:\nSoftware EngineeringJob Qualifications:\nSkills:\nAgile Methodology, Java (Programming Language), Kubernetes, Python Software DevelopmentCertifications:\nNoneExperience:\n10 + years of related experienceUS Citizenship Required:\nYesJob Description:\nTransform technology into opportunity as a Software Engineer Principal at GDIT. Shape what’s next for mission-critical government projects while shaping what’s next for your engineering career.\nMEANINGFUL WORK AND PERSONAL IMPACT\nAs a Software Engineer Principal, the work you’ll do at GDIT will be impactful to the mission of the Air Force.\nLeading the implementation and management of DevSecOps practices across multiple projects and teams to ensure seamless integration of development, security, and operations processes. \nDesigning, implementing, and maintaining highly automated and secure CI/CD pipelines, incorporating advanced security testing and validation techniques.\n WHAT YOU’LL NEED TO SUCCEED\nBring your engineering expertise along with a drive for innovation to GDIT. The Software Engineer Principal must have experience with:\nProviding technical leadership and guidance to cross-functional teams (including developers, security engineers, and operations staff) on secure system design, deployment, and operation. This includes mentoring junior engineers and fostering a culture of security awareness.\nArchitecting, implementing, and managing secure and highly available infrastructure, both cloud-based and on-premises, with a focus on automation and scalability. This includes designing infrastructure-as-code solutions and implementing robust monitoring and alerting systems.\nLeading security assessments, penetration testing, and vulnerability remediation efforts, including developing and implementing security policies and procedures. Experience should include conducting threat modeling and risk assessments.\nDeveloping and maintaining comprehensive documentation for systems, processes, and procedures, and contributing to knowledge sharing and training initiatives. This includes creating architectural diagrams, security documentation, and operational runbooks.\nExperience in conducting Proof of Concepts (POC) to evaluate new DevSecOps tools and technologies and make recommendations for adoption.\nExperience leading incident response and root cause analysis efforts, with a focus on identifying and mitigating security vulnerabilities.\nExperience in developing and delivering DevSecOps training programs.\nWHAT YOU WILL NEED TO SUCCEED\nEducation: Bachelor of Arts/Bachelor of Science in Computer Science or related field\nPreferred Master's degree in Computer Science or related field\nExperience: 10+ years of related experience\n Must have an active TS SCI clearance\nExpert-level proficiency in CI/CD tools and pipelines (e.g., Jenkins, GitLab CI, CircleCI, Azure DevOps), including advanced configuration, scripting, and customization.\nExpertise in configuration management and automation tools (e.g., Ansible, Puppet, Chef, Terraform), including designing and implementing complex infrastructure-as-code solutions.\nUnderstanding and extensive experience with containerization and orchestration technologies (e.g., Docker, Kubernetes, Docker Swarm), including designing and managing containerized applications at scale.\nSr level knowledge of cloud platforms and services (e.g., AWS, Azure, Google Cloud), including designing and implementing secure and scalable cloud architectures. Experience should include cost optimization and resource management.\nMastery of scripting and programming languages (e.g., Python, Bash, Go, Java), with the ability to develop custom tools and automation scripts.\nIn-depth knowledge of security best practices and tools (e.g., OWASP, Nessus, Burp Suite, Splunk, SIEM solutions), including experience with threat intelligence and security monitoring.\nUnderstanding of networking concepts and protocols, including TCP/IP, DNS, HTTP, and TLS.\nExperience with security compliance frameworks and standards (e.g., NIST, CIS, ISO 27001, SOC 2).\nExperience with static and dynamic code analysis tools.\nExperience with reverse engineering and malware analysis (preferred).\nActive participation in the security community (e.g., contributing to open-source projects, presenting at conferences, publishing research\nGDIT IS YOUR PLACE\nAt GDIT, the mission is our purpose, and our people are at the center of everything we do.\nGrowth: AI-powered career tool that identifies career steps and learning opportunities\nSupport: An internal mobility team focused on helping you achieve your career goals\nRewards: Comprehensive benefits and wellness packages, 401K with company match, and competitive pay and paid time off\nCommunity: Award-winning culture of innovation and a military-friendly workplace\nOWN YOUR OPPORTUNITY\nExplore a career in software development at GDIT and you’ll find endless opportunities to grow alongside colleagues who share your dedication to advancing innovation.\nThe likely salary range for this position is $119,000 - $161,000. This is not, however, a guarantee of compensation or salary. Rather, salary will be set based on experience, geographic location and possibly contractual requirements and could fall outside of this range.Scheduled Weekly Hours:\n40Travel Required:\nLess than 10%Telecommuting Options:\nHybridWork Location:\nUSA TX San AntonioAdditional Work Locations:\nTotal Rewards at GDIT:\nOur benefits package for all US-based employees includes a variety of medical plan options, some with Health Savings Accounts, dental plan options, a vision plan, and a 401(k) plan offering the ability to contribute both pre and post-tax dollars up to the IRS annual limits and receive a company match. To encourage work/life balance, GDIT offers employees full flex work weeks where possible and a variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave. To ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available. We regularly review our Total Rewards package to ensure our offerings are competitive and reflect what our employees have told us they value most.\nOur Identity Verification Process:\nAs part of the hiring process, we will ask you to complete an identity verification process that leverages advanced biometrics and artificial intelligence to ensure authenticity and protect against identity fraud. You are expected to be on camera during virtual interviews. We reserve the right to take your picture to verify your identity and prevent fraud. By proceeding, you authorize the collection, processing, and use of your biometric data for identity verification and security purposes.About Our Work:\nWe are GDIT. A global technology and professional services company that delivers technology solutions and mission services to every major agency across the U.S. government, defense and intelligence community. Our 26,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. We operate across 50+ countries worldwide, offering leading mission-ready capabilities in AI, cloud, cyber and software development.Join our Talent Community to stay up to date on our career opportunities and events atgdit.com/tc.\nEqual Opportunity Employer / Individuals with Disabilities / Protected Veterans","description_format":"text","description_chars":7745,"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"],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":[],"lifecycle":[{"event":"open","at":"2026-07-17T00:00:00Z"},{"event":"open","at":"2026-10-14T02:00:51Z"}],"visa":[{"country":"US","licensed_sponsor":true,"evidence":"H-1B filings in 12 months: 21 · green card filings: 4","filings_12m":21,"filings_prev_12m":30,"green_card_filings_12m":4,"median_offered_wage_usd":154900,"route":null,"cap_exempt":false,"checked_at":"2026-10-15T11:24:14+00:00","sources":["US Department of Labor: LCA disclosure data (H-1B, H-1B1, E-3)","US Department of Labor: PERM disclosure data (green cards)"],"filings_for_role_12m":15}],"liveness":{"score":7,"band":"cold","label":"Long shot","p_open":1,"p_active":0.245,"p_room":0.28,"age_days":92,"expected_fill_days":10,"reasons":["conf:0","velocity","win:tail","crowd:brand"],"computed_at":"2026-10-17T05:46:00Z"},"pay":{"stated_usd_annual":161000,"is_top_pay":false},"html_url":"https://alion.io/job/general-dynamics-information-technology-principal-software-engineer","json_url":"https://alion.io/job/general-dynamics-information-technology-principal-software-engineer.json","meta":{"generated_at":"2026-10-18T02:19:07Z","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":3815,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-19T00:00:00Z"}},"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":4418},"rest":"https://alion.io/mcp/rest/get_company?id=4418"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fgeneral-dynamics-information-technology-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-information-technology-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-information-technology-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-information-technology-principal-software-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fgeneral-dynamics-information-technology-principal-software-engineer"}]}