L&T Technology Services
Bengaluru / Global
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Bengaluru / Global
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
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