{"id":2989490,"url":"https://alion.io/job/kbr-principal-software-engineer-2","title":"Principal Software Engineer","company":{"id":4344,"name":"KBR","domain":"kbr.com","url":"https://alion.io/company/kbr","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":244,"ghost_share":0,"stale_share":1,"repost_share":0,"time_to_fill_p50_days":9,"computed_at":"2026-10-23T05:54:15Z"}},"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":["Huntsville, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":136000,"max_usd":273000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":1150},"experience_years_min":10,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agile","optional":false},{"name":"C++","optional":false},{"name":"GitLab","optional":false},{"name":"Java","optional":false},{"name":"Jira","optional":false},{"name":"MATLAB","optional":false},{"name":"Python","optional":false},{"name":"Scrum","optional":false},{"name":"CI/CD","optional":true},{"name":"Docker","optional":true},{"name":"Docker Compose","optional":true},{"name":"Kubernetes","optional":true},{"name":"Microsoft Office","optional":true},{"name":"Windows","optional":true}],"status":"live","first_seen_at":"2026-08-10T00:00:00Z","employer_posted_date":"2026-08-10","last_verified_at":"2026-10-23T14:04:01Z","board_verified":true,"closed_at":null,"days_open":74,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":74},"description":"Title:\nPrincipal Software EngineerProgram Summary\nKBR’s Missile, Aviation, and Ground Systems (MAGS) division delivers mission engineering solutions for critical U.S. Army programs, specializing in aviation and ground systems, integrated air and missile defense, and threat and target systems. As a trusted partner of the U.S. Department of Defense, MAGS provides innovative, technology-driven solutions to enhance national security. With a global presence and a strong ethical framework, KBR ensures secure, effective, and mission-ready capabilities worldwide.\nJob Summary\nWe are seeking an experienced Software Engineer to lead the architecture, development, implementation and optimization of software solutions to be integrated into a new Modeling and Simulation Lab. This individual will research and analyze new technology insertion with existing software systems, to include implementing and verifying communication capability between devices, databases, and services.Candidates require strong analytical and problem-solving skills to collaborate with multiple “in-house” and GOTS simulation and tool developers. Strong interpersonal skills will be required as you will interface directly with the Government customer conducting regular software demonstrations. Up to 15% travel for meetings and test events will be required.\nThe ideal candidate should be a problem-solver, resourceful, independently motivated and detail oriented, willing to travel occasionally, and work in the office when required. The position requires good time management, communication and computer skills.\nRelocation: Candidate must be a resident of the North Alabama area or able to relocate to the Huntsville-North Alabama area.\nREQUIRED QUALIFICATIONS:\nPossess a Bachelor of Science degree in Computer Science or other STEM related fields (Engineering, Physics, Mathematics, CIS, etc.) with 10+ years of experience or a master’s degree in computer science or related STEM fields with 5+ years of experience.\nExperience with the latest software development management processes and tools (Agile methods, SCRUM boards, Jira, etc.) \nExperience integrating COTS/GOTS products in a software laboratory environment. Analyzing and developing APIs to enhance interoperability amongst products.\nFamiliarity with Army Integrated Air and Missile Defense Systems.\nWorking knowledge of programming languages such as Java, C, C++, MATLAB, and/or Python.\nExperience with GIT, Gitlab, or DevOps (or similar) required.\nCandidate must be a US Citizen.\nPossess or be able to obtain and maintain a Secret Clearance.\nAble to travel up to 15% of the time.\nAble to work on site when required.\nPREFERRED QUALIFICATIONS:\nExperience with missile defense systems.\nExperience in physics-based models and simulations.\nLinux and Windows software development environments experience.\nAbility to develop clear and concise software capabilities demonstrations and briefings and present to government customers.\nExperience in software design, development, documentation, and testing of modelling and simulation software.\nFamiliarity with development and integration of containerized products (e.g. Docker Compose, Kubernetes, etc.)\nExperience with SecDevOps and Continuous Integration/Continuous Development pipelines to include resolution of cyber vulnerabilities, bugs and technical issues.\nDirect experience as a software development lead with expertise in managing challenging execution schedules.\nExcellent written and verbal communication skills, strong social skills, and ability to build consensus among peers while building solid relationships with team members, leadership, and customers.\nProficiency in Microsoft Office applications with strong presentation skills and capable of briefing audiences large or small of varying technical knowledge.\nEnjoy working in a dynamic, responsive, and collaborative environment, and dedicated to the success of our government customers.\nBelong, Connect and Grow at KBR\nAt KBR, we are passionate about our people and our Zero Harm culture. These inform all that we do and are at the heart of our commitment to, and ongoing journey toward being a People First company. That commitment is central to our team of team’s philosophy and fosters an environment where everyone can Belong, Connect and Grow. We Deliver - Together.\nKBR is an equal opportunity employer. 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