{"id":672472,"url":"https://alion.io/job/redhorsecorp-senior-software-engineer-2","title":"Senior Software Engineer","company":{"id":684975,"name":"Redhorse","domain":"redhorsecorp.com","url":"https://alion.io/company/redhorsecorp","size_band":"201-500","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Lever","truth_index":{"grade":"B","score":78,"open_postings":16,"ghost_share":0,"stale_share":0.875,"repost_share":0,"time_to_fill_p50_days":41,"computed_at":"2026-10-17T05:46:00Z"}},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Chantilly, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":180000,"max":230000,"currency":"USD","period":"year","gross":null,"usd_annual":230000},"salary_estimate":null,"experience_years_min":10,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Apache HTTP Server","optional":false},{"name":"C++","optional":false},{"name":"JavaScript","optional":false},{"name":"MS SQL","optional":false},{"name":"Oracle","optional":false},{"name":"Ruby on Rails","optional":false},{"name":"Visual Basic","optional":false},{"name":"Ruby","optional":true}],"status":"live","first_seen_at":"2026-06-12T15:32:11Z","employer_posted_date":"2026-06-12","last_verified_at":"2026-10-17T12:55:44Z","board_verified":true,"closed_at":null,"days_open":126,"trust":{"level":"stale","repost_count":0,"flags":["stale"],"days_open":126},"description":"About the Role\nRedhorse transforms the way government uses data and technology. To support this mission, we are seeking a Senior Software Engineer (SME ) with deep technical expertise to lead complex engineering initiatives. This is a high-impact role designed for a seasoned professional who can navigate the complexities of modern software design while understanding the critical nature of government sponsor requirements. As an SME, you will not just write code; you will analyze requirements, design foundational solutions, and perform high-level synthesis of operational data to drive sound technical decisions for our nation's most vital systems.\nKey Responsibilities\nApply advanced engineering principles and modern software design techniques to analyze requirements and design end-to-end solutions.\nDevelop, install, and configure computer programs and supporting technologies to meet specific sponsor directions.\nTroubleshoot complex system issues by performing rigorous root-cause analysis and evaluating alternative technical approaches.\nRecommend cost-effective, high-performance courses of action for system improvements and optimizations.\nAnticipate and adapt to changing requirements and environments, assessing the impact of operational changes on overall system outcomes.\nApply deductive and inductive reasoning to synthesize complex information and derive sound technical conclusions.\nMentor junior and mid-level engineers in best practices for software development and system architecture.\nRequired Experience/Clearance\nActive TS/SCI clearance with Polygraph.\n10 + years of experience in software engineering, design, and systems analysis.\nDemonstrated mastery in modern software design techniques and the full software development life cycle (SDLC).\nExtensive experience in root-cause analysis and troubleshooting complex, large-scale enterprise systems.\nProven track record of delivering technical decisions that balance operational needs with cost-effectiveness and infrastructure constraints.\nDesired Experience\nExperience with database management systems including CA-IDMS, Microsoft SQL Server, and Oracle DBMS.\nProficiency in multiple programming languages such as C, C++, Java, and Ruby on Rails.\nExperience with legacy technologies and modeling tools like Visual Basic, SIMULA, and IBM Rational Rose XDE.\nBackground in embedded development tools and web platforms including Apache Struts, HTML, and JavaScript.F\nFamiliarity with defect tracking and performance testing tools such as LoadRunner and usability testing methodologies.\nExperience working within a government sponsor environment or supporting Federal IT modernization projects.","description_format":"text","description_chars":2666,"description_truncated":false,"requirements":{"experience_years_min":10,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":true,"languages":[]},"benefits":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["National Security","IT Consulting & Digital Transformation","Defense AI","Analytics & BI Consulting"],"lifecycle":[{"event":"open","at":"2026-09-10T22:32:30Z"}],"visa":[],"liveness":{"score":12,"band":"cold","label":"Long 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