Embedded Linux Engineer – Boot Time Optimization

L&T Technology Services · Bangalore, India

Embedded Linux Engineer – Boot Time Optimization

Location: Bangalore

Experience: 5+ Years

Education: B.E / B.Tech / M.E / M.Tech

Top Mandatory Skills

• Embedded Linux System Software Development
• Linux Boot Time Analysis & Optimization
• Yocto Project (BitBake, Recipes, Image Optimization)
• Xen Hypervisor (Dom0 Preferred)
• Linux Kernel Debugging & Performance Tuning
• Strong C Programming

Key Technical Skills

• Linux Boot Flow (Bootloader, Kernel, Initramfs, Systemd)
• Boot Time Optimization in Virtualized Environments
• Xen Dom0 / Host OS Optimization
• Kernel Profiling & Debugging
• Power & Performance Optimization
• S0ix, Suspend-to-RAM (S2RAM)
• Embedded Linux BSP & Platform Bring-up

Job Responsibilities

• Analyze and optimize Linux boot time for embedded and virtualized platforms.
• Improve Dom0/Host OS startup performance in Xen-based systems.
• Optimize Yocto images, recipes, services, and systemd configurations.
• Debug kernel, driver, and boot-sequence bottlenecks.
• Investigate deferred probes, initcall ordering, and service startup dependencies.
• Tune power management and performance for cold boot, warm boot, and low-power states.
• Collaborate with platform, kernel, virtualization, and validation teams to achieve boot-time targets.

Good to Have

• Automotive Linux / IVI Platforms
• Xen Hypervisor Development
• QNX Hypervisor or KVM
• Open Source Linux Contributions
• Graphics, Display, Storage, and Networking Stack Integration
• DMA, Interrupt Handling, IPC Optimization

Debug & Profiling Tools

• ftrace
• systemd-analyze
• Bootchart
• perf
• Kernel logs / trace events