Infosys

Wi-Fi/DOCSIS Network Engineer

Pune, India

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hirly's read of this role

Role family: Engineering
Seniority: Mid level
Country: IN
Work mode: On-site / unstated
First seen by hirly: 3 Oct 2026

Derived automatically from the posting. Upload your resume above to see how the role scores against it.

the posting

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.

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.

Education

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

Original posting on Infosys's site ↗

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