{"id":1637654,"url":"https://alion.io/job/upscale-ai-principal-engineer-sdk-sai-platform-debugging","title":"Principal Engineer_SDK, SAI & Platform Debugging","company":{"id":3854037,"name":"Upscale AI","domain":"upscaleai.ai","url":"https://alion.io/company/upscale-ai-2","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":75,"open_postings":5,"ghost_share":0,"stale_share":1,"repost_share":0,"time_to_fill_p50_days":null,"computed_at":"2026-10-06T05:45:30Z"}},"role":"DevOps","role_family":"DevOps","seniority":"lead","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Bengaluru, India"],"countries":["IN"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":32000,"max_usd":83000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":12},"experience_years_min":12,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"BGP","optional":false},{"name":"C++","optional":false},{"name":"Linux","optional":false},{"name":"Python","optional":false},{"name":"VLAN","optional":false}],"status":"live","first_seen_at":"2026-07-22T05:37:13Z","employer_posted_date":"2026-07-22","last_verified_at":"2026-10-07T00:19:34Z","board_verified":true,"closed_at":null,"days_open":76,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":76},"description":"Principal Engineer: SDK, SAI & Platform Debugging\nWe are looking for a seasoned networking software professional with 12+ years of industry experience in switch software, ASIC SDKs, and network operating systems. This role is intended for an experienced engineer who can independently lead complex technical investigations, drive cross-functional problem resolution, and act as the go-to expert for SDK, SAI, and platform-related issues.\nThe ideal candidate should have extensive experience debugging across the entire networking software stack, including SAI, SDK, NOS, Linux kernel, platform drivers, and hardware interfaces. Beyond troubleshooting, the candidate is expected to influence architecture, guide engineering teams, engage directly with silicon vendors, and establish best practices for platform stability and supportability.\nWhat will you do ?\nProvide guidance on SDK-SAI integration and platform software design. Drive technical reviews and influence software design decisions to improve debuggability, reliability and maintainability of the Network Operating System (NOS).\n\nAnalyze SDK-SAI interactions and identify functional, performance, or scalability bottlenecks.\n\nServe as a lead for SDK- and SAI-related escalations across product development and customer deployments. Lead investigation and resolution of complex issues involving ASIC SDKs, SAI implementations, and switching platforms.\n\nOwn end-to-end root cause analysis of critical platform, feature, performance, and scale issues. Coordinate across development, QA, platform, silicon vendors, and support teams to drive issue resolution. Work closely with ASIC vendors while debugging SDK defects, feature gaps, and interoperability issues.\n\nAnalyze crashes, memory leaks, packet drops, forwarding inconsistencies, and hardware-software interaction issues. Debug issues spanning SDK, SAI, Platform software, Linux kernel, Hardware abstraction layers, Control and data plane components\n\nMentor and coach engineers on troubleshooting methodologies, debugging techniques, and networking fundamentals.\n\nWho you are?\nBachelor's or master's degree in computer science, Electronics, Telecommunications.\n\n12-18 years of experience in networking, software development, SDK Debugging & Troubleshooting.\n\nProven track record of leading complex SDK debugging and issue resolution efforts. Strong Linux system debugging and networking stack knowledge.\n\nStrong hands-on expertise with at least one networking switch SDKs viz. Broadcom, Marvell, Cisco Silicon One, or similar merchant silicon SDKs\n\nDeep understanding of SAI architecture, APIs, and SDK-SAI Interface and models.\n\nGood understanding of Switching ASICs, Linux Networking, Linux Networking, Packet Flow Analysis\nStrong expertise in:\nEthernet Switching\nL2/L3 Forwarding\nVLAN, STP, LACP, ACLs, QOS, ECMP, ACLs, QOS, ECMP, BGP, VXLAN/EVPN and Routing protocols\n\nProficiency in C/C++ and Python.\n\nDesirable:\nDirect engagement with silicon vendors for issue triage and feature enablement.\n\nExposure to hyperscale, cloud, or datacenter networking environments.\n\nExposure on SONiC, Platform Bring-up, NVIDIA Spectrum Series SDK Diagnostics\n\nAutomation & Test Frameworks","description_format":"text","description_chars":3190,"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":false,"languages":[]},"benefits":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":[],"lifecycle":[{"event":"open","at":"2026-10-01T21:40:16Z"}],"visa":[],"liveness":{"score":16,"band":"cold","label":"Long shot","p_open":1,"p_active":0.557,"p_room":0.28,"age_days":76,"expected_fill_days":37,"reasons":["conf:0","win:tail","crowd:"],"computed_at":"2026-10-06T05:45:30Z"},"pay":null,"html_url":"https://alion.io/job/upscale-ai-principal-engineer-sdk-sai-platform-debugging","json_url":"https://alion.io/job/upscale-ai-principal-engineer-sdk-sai-platform-debugging.json","meta":{"generated_at":"2026-10-07T01:32:18Z","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","counted_by":"address","units_charged":1,"used_today":2454,"day_limit":5000,"remaining_today":2546,"minute_limit":60,"resets_at":"2026-10-08T00:00:00Z"}},"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":3854037},"rest":"https://alion.io/mcp/rest/get_company?id=3854037"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fupscale-ai-principal-engineer-sdk-sai-platform-debugging"},{"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%2Fupscale-ai-principal-engineer-sdk-sai-platform-debugging"},{"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%2Fupscale-ai-principal-engineer-sdk-sai-platform-debugging"},{"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/upscale-ai-principal-engineer-sdk-sai-platform-debugging\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fupscale-ai-principal-engineer-sdk-sai-platform-debugging"}]}