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Senior Engineer – Linux BSP and Driver Development (Ethernet/SerDes/PCIe)

Larsen & Toubro -
Bengaluru, Karnataka

Apply Now

Job details

Qualifications

TCP
Git
OS Kernels
Analysis skills
SoC
Bachelor's degree
Embedded software
Ethernet
Computer networking
Linux
TCP/IP
Communication skills
Shell Scripting
Debugging

Full job description

Senior Engineer – Linux BSP and Driver D...

LNT/SE-LBADD/1722450

LTST-L&T Semiconductor Technologies Limited
Bengaluru

Posted On 17 Apr 2026
End Date 14 Oct 2026
Required Experience 10 - 16 years

Skills

Knowledge & Posting Location

Linux BSP

Minimum Qualification

Bachelor of Technology (BTech)

Job Description

Job Overview:

We are looking for a highly experienced Senior Engineer with a strong background in Linux BSP and driver development, specifically for Ethernet, SerDes, and PCIe IPs. The engineer will be responsible for board-level platform enablement, middleware stack integration, and driver development on embedded Linux platforms.

Key Responsibilities:

Design, implement, and maintain Linux kernel drivers for Ethernet MAC, SerDes PHY, and PCIe interfaces.
Develop and maintain BSP components such as bootloader configuration, device trees, and board-specific initialization.
Integrate middleware stacks and protocol layers for high-speed communication interfaces (e.g., TCP/IP stack, PCIe enumeration).
Enable and validate hardware IPs such as Gigabit Ethernet, multi-lane SerDes, and PCIe Root Complex/Endpoint.
Debug low-level hardware/software issues using JTAG, logic analyzers, PCIe analyzers, and trace tools.
Support bring-up of new boards with Ethernet/SerDes/PCIe subsystems.
Ensure compliance with industry standards such as IEEE 802.3, PCIe Base Spec, and SERDES protocols.
Collaborate with SoC, hardware, and system architects to define BSP requirements and integration points.
Contribute to performance tuning, power management, and data path optimization for high-throughput interfaces.

Required Skills and Experience:

Linux BSP

U-Boot, device tree, board bring-up, peripheral initialization, Yocto/Buildroot

Driver Development

Custom Linux kernel module development for Ethernet, SerDes, PCIe

Ethernet

MAC/PHY configuration, MII/RGMII/SGMII, VLAN, TSN

SerDes

Multi-lane configuration, clocking, equalization, loopback testing

PCIe

Root Complex and Endpoint development, DMA engines, MSI/MSI-X, BAR/window programming

Middleware Integration

Networking stacks (L2/L3), PCIe device management, firmware loading

Debug Tools

JTAG, Lauterbach, oscilloscope, PCIe analyzer, ethtool, lspci, dmesg, perf

Programming

C, Linux shell scripting, Makefile, Git, GCC, GDB

Good to Have:

Experience with SR-IOV, PCIe Hotplug, and PCIe Switches.
Familiarity with Linux networking features like DPDK, Netfilter, VLAN, and TSN.
Exposure to secure boot and secure firmware loading for Ethernet/PCIe devices.
Understanding of PHY/Link layer testing procedures for SerDes.
Experience with embedded Linux distributions in networking SoCs or server-class edge devices.

Soft Skills:

Strong analytical and debugging skills for complex SoC platforms.
Good communication and documentation skills.
Ability to lead technical discussions and mentor junior engineers.

Apply Now

Refine Your Search

Senior Engineer – Linux BSP and Driver Development (Ethernet/SerDes/PCIe)

C/C++ Network Architect

Sr. Linux Developer (Ubantu 20)

Embedded Engineer – Sr./Staff – Media Subsystems Driver

Linux Embedded Systems- WIFI or STB or Routers or Media

Embedded Software Engineer +

Technical Lead

Embedded Software Engineer

Senior Technical Specialist

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