Application Engineer

Larsen & Toubro; Bengaluru; On-site; INR 800,000 - 1,100,000; Full time

Job summary

Larsen & Toubro in Bengaluru, India, is seeking an experienced Embedded Linux Engineer to own BSP development for ARM‑based platforms and to customize kernel, drivers, and Device Tree for our cutting‑edge products.

The role covers board bring-up, boot loaders, 4G/5G modem integration, VoIP service configuration, and managing virtualized environments with high availability, requiring strong network and Linux systems expertise.

Qualifications

• Experience in Embedded Linux BSP development and ARM platforms.
• Hands-on Linux kernel development and device drivers.
• Board bring-up, boot loaders, and Device Tree customization.

Responsibilities

• Own complete Embedded Linux BSP and Product Build activities.
• Develop Linux Kernel and Device Drivers.
• Board bring-up, boot loader, kernel and Device Tree customization.
• Configure phone/email/chat services.
• Integrate and debug 4G/5G modem modules including AT command interface, USB/QMI/MBIM and network connectivity.
• Understanding of 5G Network and application services.
• Troubleshooting of server and virtualization issues.
• Configuring, implementing, and Managing virtualized environment.
• Implementing and Managing High Availability/Clustering environment.

Skills

Embedded Linux BSP

ARM-based platforms

Linux kernel dev

Device drivers

Board bring-up

Boot loader

Device Tree

Network config

VoIP config

Virtualization

Tools

DNS/DHCP/WINS

QMI/MBIM

Virtualization

Job description

• Own complete Embedded Linux BSP and Product Build activities. Develop, customize and maintain Embedded Linux BSPs for ARM-based platforms.
• Develop Linux Kernel and Device Drivers.
• Board bring-up, boot loader, kernel and Device Tree customisation
• Responsible for configuring phone/email/chat services
• Integrate and debug 4G/5G modem modules including AT command interface, USB/QMI/MBIM and network connectivity.
• Understanding of 5G Network and application services
• Understanding of Network Designing and IP Planning
• Configuration Voice gateways like MGCP, H323, SIP Trunk.
• Configuration of RTP, RTCP Technologies, Analog and IP Phones, Dial plans, Route Pattern etc.
• Knowledge of TCP/IP and Network Protocols like IPv4, IPv6, etc.
• Knowledge on QoS Implementation for Voice and Data Services
• Troubleshooting of server and virtualization issues
• Configuring, implementing, and Managing virtualized environment
• Implementing and Managing High Availability/Clustering environment
• Knowledge on Databases (MySQL, PostgreSQL, etc.).
• Knowledge on DNS/DHCP/WINS Services
• Install and configure computer hardware and software systems.
• Knowledge and understanding of IT Support structures.

Basic technical knowledge of Desktop and LAN environments with the ability to apply that knowledge to problem resolution. Experience with both Windows and Linux Environments.