Wi-Fi/DOCSIS Network Engineer

Infosys Limited; Pune District; On-site; INR 1,200,000 - 2,000,000; Full time

Job summary

Infosys Limited in Pune seeks a Wi-Fi/DOCSIS Network Engineer to design, develop, and port RDK/RDK‑B or vendor SDK modules on routers and modems across OEMs.

You will implement C/C++ control services, develop RTOS drivers, and collaborate with hardware, QA, and cloud/DevOps teams for manufacturing tests and CI/CD.

Qualifications

• Degrees in Computer Applications, Engineering, Science or Technology.
• Relevant higher education in computer science or engineering.

Responsibilities

• Design, port RDK/RDK‑B or vendor SDK modules on routers/modems across 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.

Skills

C

C++

Python

Shell scripting

Linux

RTOS

Networking

Education

Bachelor's or Master's in Computer Applications/Engineering/Science/Technology

Tools

Git

CI/CD

GCC/Clang

CMake/Make

JTAG/UART

U-Boot

Job description

PUNE , Infosys Limited Wi-Fi/DOCSIS Network Engineer

Job ID/Reference Code INFSYS-INDEED1-253479

Work Experience 5 - 8 Years

Job Title Wi-Fi/DOCSIS Network Engineer

Educational Requirements

Master Of Comp. Applications, Master Of Engineering, Master Of Science, Master Of Technology, Bachelor Of Comp. Applications, Bachelor Of Science, Bachelor of Engineering, Bachelor Of Technology

Service Line

Engineering Services

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.

Additional Responsibilities:

Nice-to-Have / Preferred:

• Wi‑Fi 7 expertise: MLO, 320MHz 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.

Technical and Professional 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.

Preferred Skills:

Technology->Network->Cable-DOCSIS->DOCSIS 3.1 Technology->Media->Settop Box DVB Technology->Network->WIFI Technologies