{"id":672462,"url":"https://alion.io/job/redhorsecorp-subject-matter-expert-sme-software-systems-engineer","title":"Subject Matter Expert (SME) - Software Systems 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":77,"open_postings":16,"ghost_share":0,"stale_share":0.938,"repost_share":0,"time_to_fill_p50_days":41,"computed_at":"2026-10-29T05:49:05Z"}},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":"full_time","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":240000,"max":260000,"currency":"USD","period":"year","gross":null,"usd_annual":260000},"salary_estimate":null,"experience_years_min":12,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[],"status":"live","first_seen_at":"2026-08-10T20:51:39Z","employer_posted_date":"2026-08-10","last_verified_at":"2026-10-29T13:46:13Z","board_verified":true,"closed_at":null,"days_open":79,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":79},"description":"About the Role\nRedhorse transforms the way government uses data and technology. To support this mission, we are seeking a Subject Matter Expert (SME) for Software Systems Engineering. As a recognized expert within the company, you will design, research, and develop highly advanced applications that create new product and business opportunities. This is a visionary role where your technical mastery in scientific analysis and mathematical modeling will directly contribute to business capture efforts and high-level capability briefings. You will bridge the gap between complex engineering research and the strategic goals of our government clients, ensuring Redhorse remains at the forefront of digital transformation.\nKey Responsibilities\nAct as a recognized expert within the company to design and develop highly advanced applications that drive new business opportunities.\nLead efforts to capture new business through technical work, research, and high-level capability briefings for senior government stakeholders.\nConduct advanced research in the design, development, testing, and utilization of electronic data processing software.\nDesign and document applications software and systems that contain complex logical and mathematical solutions.\nLead multidisciplinary research initiatives, collaborating with equipment designers and hardware engineers on the utilization of data processing systems.\nDetermine computer user needs and analyze system capabilities to resolve critical problems regarding program intent and programming controls.\nDesign and develop low-level system software, including compilers, assemblers, utility programs, and operating systems.\nPrepare expert-level operating instructions and ensure all software standards are developed and enforced across projects.\nAnalyze user needs and requirements to determine design feasibility within strict time and cost constraints.\nConfer with systems analysts and engineers to manage high-level project limitations, performance requirements, and interfaces.\nUse scientific analysis and mathematical models to predict outcomes and measure the consequences of complex system designs.\nCoordinate large-scale software system installations and monitor equipment to ensure all specifications and performance metrics are met.\nRequired Experience/Clearance\nActive TS/SCI clearance with Polygraph.\nBachelor’s degree (or equivalent) with 12+ years of experience OR a Master’s degree with 10+ years of experience.\nProven expertise as a recognized authority in software systems engineering and research.\nDemonstrated experience leading business capture efforts and delivering technical capability briefings.\nExtensive background in scientific analysis and mathematical modeling for software system design.\nDeep technical mastery of low-level software components including compilers, assemblers, and operating systems.","description_format":"text","description_chars":2873,"description_truncated":false,"requirements":{"experience_years_min":12,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"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":18,"band":"cold","label":"Long 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