{"id":606923,"url":"https://alion.io/job/ddn-sr-software-engineer-l4","title":"Sr. Software Engineer L4","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":null},"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":["Pune, India"],"countries":["IN"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":17500,"max_usd":46000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":123},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Amazon S3","optional":false},{"name":"C++","optional":false},{"name":"Linux","optional":false},{"name":"Python","optional":false},{"name":"Self-Healing","optional":false},{"name":"Tcpdump","optional":false}],"status":"live","first_seen_at":"2026-07-16T01:15:21Z","employer_posted_date":"2026-09-24","last_verified_at":"2026-10-01T17:21:06Z","board_verified":true,"closed_at":null,"days_open":77,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":77},"description":"As a Senior Software Engineer - Infinia L4, you’ll be an escalation point for the most complex and critical issues affecting enterprise and hyperscale environments. This hands-on role is ideal for a deep technical expert who thrives under pressure and has a passion for solving distributed system challenges at scale. This role is part of the Infinia Core engineering team.\nYou’ll collaborate with Engineering, Product Management, and Field teams to drive root cause resolutions, define architectural best practices, and continuously improve product resiliency. Leveraging AI tools and automation, you’ll reduce time-to-resolution, streamline diagnostics, and elevate the support experience for strategic customers.\nKey Responsibilities\nTechnical Expertise & Escalation Leadership\nOwn critical customer case escalations end-to-end, including deep root cause analysis and mitigation strategies.\n\nAct as one of the technical escalation points for Infinia incidents - especially in production-impacting scenarios.\n\nLead war rooms, live incident bridges, and cross-functional response efforts with other engineering, QA, and Field teams.\n\nUtilize AI-powered debugging, log analysis, and system pattern recognition tools to accelerate resolution.\n\nProduct Knowledge & Value Creation\nBecome a subject-matter expert on Infinia internals: metadata handling, storage fabric interfaces, performance tuning, AI integration, etc.\n\nReproduce complex customer issues and propose product improvements or workarounds.\n\nAuthor and maintain detailed runbooks, performance tuning guides, and RCA documentation.\n\nFeed real-world support insights back into the development cycle to improve reliability and diagnostics.\n\nCustomer Engagement & Business Enablement\nPartner with Field CTOs, Solutions Architects, and Sales Engineers to ensure customer success.\n\nTranslate technical issues into executive-ready summaries and business impact statements.\n\nParticipate in post-mortems and executive briefings for strategic accounts.\n\nDrive adoption of observability, automation, and self-healing support mechanisms using AI/ML tools.\n\nDelivering training to customer support and field engineering\n\nRequired Qualifications\n8+ years in enterprise storage, distributed systems, or cloud infrastructure support/engineering.\n\nDeep understanding of file systems (S3, POSIX, NFS), storage performance, and Linux kernel internals.\n\nScripting and Coding using Python, Go, C++\n\nProven debugging skills at system/protocol/app levels (e.g., strace, tcpdump, perf).\n\nHands-on experience with troubleshooting on Linux.\n\nExposure to RDMA, NVMe-oF, or high-performance networking stacks.\n\nExceptional communication and executive reporting skills","description_format":"text","description_chars":2700,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Enterprise Storage Systems","Servers & Data Center Hardware"],"lifecycle":[{"event":"open","at":"2026-09-10T18:00:29Z"}],"liveness":{"score":29,"band":"fade","label":"Fading","p_open":1,"p_active":0.792,"p_room":0.36,"age_days":77,"expected_fill_days":39,"reasons":["conf:11","urgency","velocity","win:tail","crowd:"],"computed_at":"2026-10-01T05:45:00Z"},"pay":null,"html_url":"https://alion.io/job/ddn-sr-software-engineer-l4","json_url":"https://alion.io/job/ddn-sr-software-engineer-l4.json","meta":{"generated_at":"2026-10-01T18:22:32Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","usage":{"tier":"crawler","counted_by":"address","units_charged":1,"used_today":671,"day_limit":5000,"remaining_today":4329,"minute_limit":60,"resets_at":"2026-10-02T00:00:00Z"}}}