Wi-Fi/DOCSIS Network Engineer

Job description

## **Job 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 ## **Key Responsibilities:** - Design develop and port RDK RDK B or vendor SDK modules on routers modems across different OEMs - Implement C C control services for LED USB FAN and system state displays for cable modems routers - Develop RTOS modules drivers SNMP interfaces SSH Telnet support and voice audio features - Build data control modules for Wi Fi 7 routers including cellular backup orchestration - Design TR 369 USP based data collection telemetry modules and define robust data models - Own system architecture performance tuning CPU memory latency and reliability watchdogs crash dumps - Collaborate with hardware QA and cloud DevOps teams for manufacturing tests CI CD and field telemetry - Write high quality design docs test plans and release notes participate in code reviews and certification prep - Troubleshoot field escalations and drive root cause analysis across firmware drivers and network stack layers ## **Technical Requirements:** - Languages C expert C proficient Python for tooling automation Shell scripting - Platforms Linux Yocto OpenWrt like build systems RTOS FreeRTOS ThreadX or equivalent - Frameworks Stacks RDK RDK B Docsis preferably 3 - 1 4 - 0 SNMP TR 369 USP TR 069 nice to have - Networking Wi Fi 802 - 11ac ax be TCP IP VLAN QoS NAT firewall routing policy based failover - Drivers Middleware GPIO I2C SPI USB LED FAN control audio subsystems diagnostics logging - Toolchains Build GCC Clang CMake Make cross compilers JTAG UART bootloader U Boot BSP HAL - Version Control CI Git GitLab GitHub CI artifact management automated unit integration tests - Quality Reliability Profiling memory performance optimization watchdogs crash analysis core dumps - System Architecture Module boundaries IPC threading concurrency resource management ## **Additional Responsibilities:** - Nice to Have Preferred - Wi Fi 7 expertise MLO 320 MHz channels multi RU scheduling AFC where applicable - Experience with cellular modems LTE 5G failover and bonding multipath - RDK telemetry adapters USP controllers agents vendor data model mapping - Rust for systems modules safety critical or performance sensitive components - Exposure to OpenWrt prplOS prplMesh EasyMesh and board bring up - Manufacturing line support factory calibration RF tests firmware provisioning - Security secure boot trusted execution key management certificate provisioning - Compliance certification Docsis Wi Fi Alliance FCC CE operator acceptance test processes ## **Preferred Skills:** Technology->Media->Settop Box, DVB,Technology->Network->Cable-DOCSIS->DOCSIS 3.1,Technology->Network->WIFI Technologies