{"id":1494365,"url":"https://alion.io/job/ddn-senior-staff-software-engineer-s3","title":"Senior Staff Software Engineer, S3","company":{"id":672909,"name":"DDN","domain":"ddn.com","url":"https://alion.io/company/ddn","size_band":"501-1000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Ashby","truth_index":{"grade":"A","score":100,"open_postings":7,"ghost_share":0,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":41,"computed_at":"2026-10-13T05:45:00Z"}},"role":"Backend","role_family":"Backend","seniority":"staff","employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Santa Clara, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":199000,"max_usd":365000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":1256},"experience_years_min":12,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Amazon S3","optional":false},{"name":"C++","optional":false},{"name":"Linux","optional":false},{"name":"Agile","optional":true},{"name":"Scrum","optional":true},{"name":"TCP/IP","optional":true}],"status":"live","first_seen_at":"2026-09-29T19:54:41Z","employer_posted_date":"2026-09-29","last_verified_at":"2026-10-14T00:33:48Z","board_verified":true,"closed_at":null,"days_open":14,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":14},"description":"We are seeking a Senior Staff Software Engineer for the ongoing development of a S3 compliant high performance file system. The candidate must have proven development experience with technical leadership qualities, effective communication skills and is a self-starter. In addition, the candidate must collaborate with other teams and individuals worldwide to quickly learn DDN products/technology/setup & configuration. The candidate must be able to leverage and integrate the monitoring, health-check and alerting aspects around the product.\nKey Responsibilities:\nMaintain, extend, and improve our S3 implementation.\n\nDesign and develop in C/C++ under tight deadlines with minimal supervision\n\nDefine and articulate technical designs with the appropriate details\n\nFull application development from design to development to testing to deployment\n\nParticipate in technical reviews throughout the course of development\n\nArchitecture and troubleshooting of system level components, especially the file system and related storage system components.\n\nUndertake research based technical tasks: Define research approach, document results and derive conclusions. Should be able to design a solution based on the research conducted\n\nMentor junior developers\n\nSupport product deployment and production defect resolution in a timely manner\n\nRequirements:\nAccountable and highly motivated with solid people skills\n\n12+ years’ experience system software development and complex problem resolution.\n\nExpert knowledge of the following programming languages: C/C++\n\nExcellent Linux development and deployment skills including but not limited to file system development.\n\nFull understanding of OS principles and architecture of Kernel procedures.\n\nBroad range of experience with open-source development toolchain like gcc, gdb, g++, git\n\nExperience designing and developing parallel program\n\nGood communication skills (verbal and written English).\n\nUnderstanding of Linux File Systems\n\nKnowledge of user space IO frameworks such as Fuse, SPDK\n\nNice to have:\nStrong understanding of RDMA network principles, libfabric, zero-copy, verbs, etc.\n\nKnowledge of performance engineering.\n\nExperience working with Scrum Agile\n\nExperience of complex network programming, TCP/IP or RDMA.","description_format":"text","description_chars":2259,"description_truncated":false,"requirements":{"experience_years_min":12,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[{"language":"English","level":"All levels","optional":false}]},"benefits":[],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Enterprise Storage Systems","Servers & Data Center Hardware"],"lifecycle":[{"event":"open","at":"2026-09-30T01:41:17Z"}],"visa":[],"liveness":{"score":99,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.993,"p_room":1,"age_days":13,"expected_fill_days":41,"reasons":["conf:0","urgency","velocity","win:early"],"computed_at":"2026-10-13T05:45:00Z"},"pay":null,"html_url":"https://alion.io/job/ddn-senior-staff-software-engineer-s3","json_url":"https://alion.io/job/ddn-senior-staff-software-engineer-s3.json","meta":{"generated_at":"2026-10-14T03:14:44Z","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":5075,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-15T00:00:00Z"}},"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":672909},"rest":"https://alion.io/mcp/rest/get_company?id=672909"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fddn-senior-staff-software-engineer-s3"},{"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%2Fddn-senior-staff-software-engineer-s3"},{"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%2Fddn-senior-staff-software-engineer-s3"},{"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/ddn-senior-staff-software-engineer-s3\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fddn-senior-staff-software-engineer-s3"}]}