{"id":2692872,"url":"https://alion.io/job/sedaro-senior-software-engineer-systems-programming","title":"Senior Software Engineer, Systems Programming","company":{"id":4390314,"name":"Sedaro","domain":"sedaro.com","url":"https://alion.io/company/sedaro","size_band":"51-200","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"BambooHR","truth_index":{"grade":"C","score":68,"open_postings":13,"ghost_share":0.538,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":null,"computed_at":"2026-10-17T05:46:00Z"}},"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":["Arlington, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":141000,"max_usd":258000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":3287},"experience_years_min":6,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Rust","optional":false},{"name":"gRPC","optional":true},{"name":"HPC","optional":true},{"name":"Kubernetes","optional":true}],"status":"live","first_seen_at":"2025-10-06T00:00:00Z","employer_posted_date":"2025-10-06","last_verified_at":"2026-10-17T18:39:29Z","board_verified":true,"closed_at":null,"days_open":376,"trust":{"level":"ghost","repost_count":0,"flags":["stale","company_stale"],"days_open":376},"description":"Overview\nSedarois hiring a Senior Software Engineer to strengthen the performance and reliability of our distributed\nmulti-physics simulation platform.In this role, you will contribute to the development of our simulation runtimes and leveragethe cloud for cutting-edgeperformance and scale.\nTeam: Simulator, reporting tothe Team Lead\nLocation: In person in Arlington, VAorBoston, MA\nU.S. Citizen or permanent resident status required\nWho We Are\nOur simulation platform enables digital mission engineering through distributed, scalable, faster than real-time analyses across hundreds of interacting systems. We achieve this by ingesting simulation functions, models, and data, and generating high-performance code and architectures specialized for the given scenario. We maintainruntimes for both massively parallelexecution in the cloud as well as execution in resource-constrained environments such as autonomous edge devices. Our technology is built with Rust, Kubernetes, gRPC, andPython. Join us as an early employee and transform how teams collaboratively engineer the next generation of Aerospace & Defense systems.\nWho You Are\nYouareenergized by novel challenges and unsolved problems\nYou are meticulous in your designs to ensure reliability and extensibility\nYouare motivatedto deliver optimized, high-performance systems\nYou explore existing solutions to problems to choose the right tool for the job\nYou enjoy a fast-moving work environment and drive progress on decisions and projects\nWhat You’llDo\nEnable increasingly massive distributed simulations\nLead development of features for both our cloud and edgesimulation runtimes\nOptimizeand track performance metrics of our simulations\nMaximize parallelism and caching in ourbuildsystems and services\nDevelop QAframeworks and maintainhigh reliability standards\nProvide feedback and guidance on code reviews and design reviews\nSustainour internal and external documentation\nLeadteam-wide discussionsand research as we continue to innovate on the semantics and implementation of our simulation technology\nBenefits\nEquity\nUnlimited PTO\n401(k) with 4% match\n100% premium payment for medical insurance\nParental Leave\nFlexible work schedule with core hours\nCompany provided lunches 3 days a week\nIndustry-leading career development opportunities\nRequirements\nBachelor’s degree in computer science or equivalent experience\n6+years of professional experience in software engineering\nExperience with Rust or comparable compiled languages\nExperience profiling and optimizingapplication performance\nComfort with containerization and cloud technologies\nExcellent technical writing skills\nAdditionaldesirable experience:\nSimulation software, scientific computing\nHPC, embedded software, game engines, compilers\nDistributed systems, backend development\nUnique non-software technology perspectivesare 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