{"id":3137846,"url":"https://alion.io/job/fujitsu-principal-software-engineer","title":"Principal Software Engineer","company":{"id":896,"name":"Fujitsu","domain":"fujitsu.com","url":"https://alion.io/company/fujitsu-poland-sp-z-o-o","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"SuccessFactors","truth_index":{"grade":"A","score":100,"open_postings":6,"ghost_share":0,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":6,"computed_at":"2026-10-24T06:02:35Z"}},"role":"Backend","role_family":"Backend","seniority":"lead","employment_type":null,"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":21000,"max_usd":54000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":69},"experience_years_min":12,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Linux","optional":false},{"name":"Outlook","optional":false},{"name":"VLAN","optional":false},{"name":"C++","optional":true}],"status":"live","first_seen_at":"2026-10-23T06:54:03Z","employer_posted_date":"2026-10-23","last_verified_at":"2026-10-24T04:35:20Z","board_verified":true,"closed_at":null,"days_open":1,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":1},"description":"1Finity, a Fujitsu company, is a global provider of communications networks for our connected world. We uniquely combine technological leadership and expertise in open optical and wireless networking, network automation, and applied AI/ML to design, build, operate, and maintain critical digital communications network infrastructure. Collaborating closely with ecosystem partners, we deliver transformative outcomes for service providers and network operators, and enable them to lower TCO, improve network performance, and increase energy efficiency.\nJob Summary\nWe are looking for an experienced Principal Software Engineer with strong expertise in RDMA/NIC technologies, L2/L3 networking, Linux-based packet processing, and network datapath debugging. The role requires hands-on technical experience across server-side and network-side technologies, along with the ability to troubleshoot complex networking and platform issues.\nThe ideal candidate will bring strong architecture and development experience and be comfortable providing technical leadership across design, development, debugging, testing and product stabilization.\nKey Responsibilities\nDesign, develop and support RDMA/NIC and networking software solutions.\nWork on server-side and network-side technologies, including RDMA/PSNIC related development.\nContribute to architecture, design, implementation, code reviews and technical problem-solving.\nDevelop and debug networking functionality across L2/L3 switching and packet-processing paths.\nTroubleshoot complex datapath and network issues across software, Linux and ASIC layers.\nWork on feature development, unit testing, integration, build stabilization and release readiness.\nAnalyse field/customer issues and perform detailed root-cause analysis.\nDebug areas such as traffic loss, VLAN tagging, MAC/FDB learning, QoS and packet Rx/Tx paths.\nCollaborate with cross-functional engineering teams across networking, platform and server-side technologies.\nProvide technical guidance and mentoring to engineers and drive technical solutions for complex problems.\nThese responsibilities closely reflect Mahalakshmi Sivanpillai's actual architecture, development, debugging, stabilization and mentoring experience. [Offer Prop...e Engineer | Outlook]\nRequired Technical Skills\nNetworking\nStrong knowledge of L2/L3 networking\nVLAN / PVLAN\nSwitching and Ethernet technologies\nQoS\nMulticast\nDHCPv4 / DHCPv6\nSNMP\nMAC/FDB learning and aging\nRDMA / NIC\nRDMA / PSNIC development\nNIC architecture\nServer-side networking\nRDMA software/shim layers\nRDMA integration and testing\nSystem & Datapath\nLinux\nPacket-driver development/debugging\nRx/Tx packet paths\nDMA\nHardware/software datapath debugging\nTCAM / Exact Match\nASIC / Platform\nExperience with network ASICs\nBroadcom and/or Marvell experience is desirable\nChassis/stacking and networking platform experience\nHer resume explicitly lists these areas, including Broadcom/Marvell ASIC programming, Linux packet drivers, DMA, TCAM/Exact Match, FDB/MAC learning, QoS and Rx/Tx debugging. [Offer Prop...e Engineer | Outlook]\nProgramming Skills\nStrong hands-on experience in C/C++\nEmbedded/networking software development\nDebugging complex software and system-level issues\nExperience with Linux-based development environments\nHer interview assessment rated C/C++, embedded, DC protocols and PSNIC/server-side skills positively. [Offer Prop...e Engineer | Outlook]\nPreferred Experience\nExperience developing networking or datacom products.\nExposure to RDMA/NIC technologies.\nExperience with enterprise or data-center switching platforms.\nExperience debugging networking ASICs and packet-processing pipelines.\nStrong problem-solving and root-cause-analysis capabilities.\nExperience technically leading/mentoring engineers.\nAbility to work across server, network and platform engineering teams.\nExperience / Education\n 12+ years of relevant software/networking engineering experience, with significant hands-on technical depth.\nBachelor's or Master's degree in Computer Science, Electronics, Electrical Engineering or a related engineering discipline.","description_format":"text","description_chars":4101,"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":["IT Consulting & Digital Transformation","Systems Integrators","High-Performance Computing"],"lifecycle":[{"event":"open","at":"2026-10-23T06:54:03Z"}],"visa":[],"liveness":{"score":88,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.879,"p_room":1,"age_days":0,"expected_fill_days":6,"reasons":["conf:1","velocity","win:early","comp:brand"],"computed_at":"2026-10-24T06:02:35Z"},"pay":null,"html_url":"https://alion.io/job/fujitsu-principal-software-engineer","json_url":"https://alion.io/job/fujitsu-principal-software-engineer.json","meta":{"generated_at":"2026-10-24T09:39:56Z","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":14062,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-25T00:00:00Z"}},"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":896},"rest":"https://alion.io/mcp/rest/get_company?id=896"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Ffujitsu-principal-software-engineer"},{"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%2Ffujitsu-principal-software-engineer"},{"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%2Ffujitsu-principal-software-engineer"},{"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/fujitsu-principal-software-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Ffujitsu-principal-software-engineer"}]}