KHALEEL AHAMED

ALPHION INDIA PVT. LTD

Senior Software Engineer | Chennai, India
Jul 2023 – Present

• Developing C-based applications, firmware components, kernel modules, data-models, UI pages, and framework services using C and Lua for ONT gateway routers.
• Implementing PON stack features, OMCI provisioning workflows, VLAN/PON configuration logic, and link-layer control mechanisms for EPON and GPON ONT systems.
• Designing and enhancing routing, NAT, firewall filtering, QoS, DHCP, TR-069, and WAN provisioning logic in C and OpenWrt framework.
• Working with OpenWrt & Linux SDKs to build, customize, and optimize firmware for ARM and MIPS SoCs (Airoha/MTK, Realtek) including kernel, drivers, bootloader, and user space services.
• Hands-on experience with U-Boot customization (boot scripts, environment config, partitioning, upgrade support, GPIO/LED setup, and recovery mechanisms).
• Debugging kernel-level issues including panics, deadlocks, packet drops, netfilter hooks and PON stack failures using tools like logs, crash dumps, GDB, kernel tracepoints, and instrumentation.
• Designing and validating firewall rule handling, packet inspection logic, URL filtering, DNS/MAC filtering extensions, and WAN/LAN bridging behaviour.
• Supporting Indian ISP deployments (Netplus, KCCL) by resolving field issues, delivering feature improvements, validating system behaviour, and ensuring production readiness across PON RG and gateway devices.

VANTIVA (TECHNICOLOR)

Senior Software Engineer | Chennai, India
Feb 2020 – May 2023

• Application & platform developer for broadband home gateway products.
• Designed and maintained frameworks, REST APIs, web UIs, and platform services using C and Lua.
• Hands-on experience with Yocto (RDK-B) and OpenWrt build systems for ARM-based Broadcom gateways.
• Supported board bring-up activities with hardware schematics reference.
• Contributed from software integration to customer delivery, including CI automation scripting.
• Worked on Cable Modem, GPON, DSL, Ethernet WAN and mobile dongle routers.
• Used Wireshark, Spirent Emulator, and CDRouter for validation and troubleshooting.
• Awards: Triumph Award for Vodafone delivery quality + multiple monthly recognitions.