{"id":1803799,"url":"https://alion.io/job/infosys-wi-fidocsis-network-engineer-2","title":"Wi-Fi/DOCSIS Network Engineer","company":{"id":223,"name":"Infosys","domain":"infosys.com","url":"https://alion.io/company/infosys","size_band":"5000+","is_staffing_agency":false,"employer_type":"services","is_intermediary":false,"listed_via":null,"ats_vendor":"Career site","truth_index":{"grade":"A","score":95,"open_postings":243,"ghost_share":0,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":93,"computed_at":"2026-10-20T05:45:00Z"}},"role":"Networking","role_family":"Networking","seniority":null,"employment_type":null,"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":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"C++","optional":false},{"name":"CI/CD","optional":false},{"name":"FreeRTOS","optional":false},{"name":"Linux","optional":false},{"name":"Python","optional":false},{"name":"RTOS","optional":false},{"name":"Wi-Fi","optional":false},{"name":"C","optional":true},{"name":"CMake","optional":true},{"name":"GCC","optional":true},{"name":"Git","optional":true},{"name":"GitHub","optional":true},{"name":"GitLab","optional":true},{"name":"Rust","optional":true},{"name":"TCP/IP","optional":true},{"name":"U-Boot","optional":true},{"name":"VLAN","optional":true}],"status":"live","first_seen_at":"2026-09-29T07:57:39Z","employer_posted_date":"2026-10-03","last_verified_at":"2026-10-20T10:48:37Z","board_verified":true,"closed_at":null,"days_open":21,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":21},"description":"We are seeking a hands-on Senior Embedded Software Engineer to build and evolve next-generation customer premises equipment (CPE) including DOCSIS 4.0 cable modems and Wi-Fi 7 routers. You will design and develop firmware across multiple OEM platforms leveraging RDK/RDK-B, vendor SDKs, and RTOS-owning modules from HAL to application services. The role spans system architecture, driver and middleware development, data models/telemetry (TR-369), cellular backup integration, and performance/reliability engineering for production-grade devices.\nResponsibilities\nDesign, develop, and port RDK/RDK-B or vendor SDK modules on routers/modems across different OEMs.\nImplement C/C++ control services for LED, USB, FAN, and system state displays for cable modems/routers.\nDevelop RTOS modules/drivers, SNMP interfaces, SSH/Telnet support, and voice/audio features.\nBuild data control modules for Wi-Fi 7 routers including cellular backup orchestration.\nDesign TR-369 (USP) based data collection/telemetry modules and define robust data models.\nOwn system architecture, performance tuning (CPU/memory/latency), and reliability (watchdogs, crash dumps).\nCollaborate with hardware, QA, and cloud/DevOps teams for manufacturing tests, CI/CD, and field telemetry.\nWrite high-quality design docs, test plans, and release notes; participate in code reviews and certification prep.\nTroubleshoot field escalations and drive root cause analysis across firmware, drivers, and network stack layers.\nTechnical requirements\nLanguages: C (expert), C++ (proficient); Python for tooling/automation; Shell scripting.\nPlatforms: Linux (Yocto/OpenWrt-like build systems), RTOS (FreeRTOS/ThreadX or equivalent).\nFrameworks/Stacks: RDK/RDK-B, Docsis (preferably 3.1/4.0), SNMP, TR-369 (USP), TR-069 (nice to have).\nNetworking: Wi-Fi (802.11ac/ax/be), TCP/IP, VLAN, QoS, NAT, firewall, routing, policy-based failover.\nDrivers/Middleware: GPIO/I2C/SPI/USB, LED/FAN control, audio subsystems, diagnostics, logging.\nToolchains & Build: GCC/Clang, CMake/Make, cross-compilers, JTAG/UART, bootloader (U-Boot), BSP/HAL.\nVersion Control & CI: Git, GitLab/GitHub CI, artifact management, automated unit/integration tests.\nQuality & Reliability: Profiling, memory/performance optimization, watchdogs, crash analysis, core dumps.\nSystem Architecture: Module boundaries, IPC, threading/concurrency, resource management.\nAdditional responsibilities\nNice-to-Have / Preferred:\nWi-Fi 7 expertise: MLO, 320 MHz channels, multi-RU scheduling, AFC (where applicable).\nExperience with cellular modems (LTE/5G), failover and bonding, multipath.\nRDK telemetry adapters, USP controllers/agents, vendor data model mapping.\nRust for systems modules (safety-critical or performance-sensitive components).\nExposure to OpenWrt, prplOS/prplMesh, EasyMesh, and board bring-up.\nManufacturing line support: factory calibration, RF tests, firmware provisioning.\nSecurity: secure boot, trusted execution, key management, certificate provisioning.\nCompliance/certification: Docsis, Wi-Fi Alliance, FCC/CE, operator acceptance test processes.\nPreferred skills\nTechnology->Media->Settop Box, DVB,Technology->Network->Cable-DOCSIS->DOCSIS 3.1,Technology->Network->WIFI Technologies\nEducation\nMaster Of Comp. Applications,Master Of Engineering,Master Of Science,Master Of Technology,Bachelor Of Comp. 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