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Linux Kernel Engineer
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Linux Kernel Engineer

divya K's profile picture
Posted by divya K
5 - 10 yrs
₹10L - ₹28L / yr
Bengaluru (Bangalore), Chennai
Skills
skill iconC
skill iconC++
skill iconPython
skill iconJava
Linux kernel
Device Driver Development

Job Title: Senior Linux Kernel Engineer

Experience: 5–10 Years

Location: Bangalore / Chennai

Domain: Enterprise Linux / Kernel Development


Job Summary

We are seeking a highly skilled Senior Linux Kernel Engineer with deep expertise in kernel development, debugging, and performance optimization. The role involves working on enterprise-grade Linux distributions, kernel lifecycle management, security patching, and low-level hardware integration.


Key Responsibilities

1. Kernel Lifecycle & Maintenance

  • Lead kernel upgrade strategies (e.g., LTS migrations such as 5.15 → 6.x) while ensuring stability and compatibility.
  • Perform patch porting across kernel versions, resolving API and dependency conflicts.
  • Track and mitigate security vulnerabilities by monitoring CVEs and upstream sources (e.g., LKML).
  • Backport critical fixes to production kernels without impacting system stability.

2. Debugging & System Stability

  • Act as an escalation point for kernel panics and system crashes.
  • Perform post-mortem analysis using kdump, crash, and gdb.
  • Debug early boot issues (UEFI, initramfs, kernel initialization).
  • Conduct performance analysis using eBPF, ftrace, and perf to optimize system behavior.

3. Driver Development & Hardware Integration

  • Design, develop, and maintain device drivers (network, storage, GPU, or character devices).
  • Work closely with hardware through DMA, interrupts (MSI-X), and register-level programming.
  • Maintain out-of-tree drivers using DKMS or similar frameworks.
  • Ensure compatibility of drivers across kernel updates.


Required Technical Skills

  • Programming: Strong expertise in C (mandatory) and C++
  • Kernel Internals: Deep understanding of:
  • Virtual File System (VFS)
  • Memory Management (MMU, Paging)
  • Process Scheduler
  • Linux Networking Stack
  • Debugging Tools:
  • kdump, crash, gdb
  • kprobes, trace-cmd, ftrace
  • perf, valgrind
  • Hardware debugging tools (JTAG, Serial Console)
  • Build Systems:
  • Kbuild, Makefiles
  • Kernel packaging (RPM/Debian)
  • Security:
  • Experience with CVE patching and backporting
  • Knowledge of SELinux/AppArmor
  • Kernel hardening (FIPS, KSPP)


Preferred Skills

  • Experience contributing to open-source kernel projects
  • Familiarity with Linux Kernel Mailing List (LKML) workflows
  • Exposure to enterprise Linux distributions (RHEL, Ubuntu, SUSE)
  • Experience with performance tuning and system optimization at scale



1. Core Programming (C Language)

  • Must have strong hands-on experience in C programming
  • Comfortable with pointers, memory management, and low-level concepts

2. Kernel Internals Expertise

  • Should have worked in at least one subsystem:
  • VFS / File Systems
  • Memory Management
  • Scheduler / Networking

3. Debugging & Crash Analysis

  • Experience handling kernel panics
  • Hands-on with vmcore analysis tools

4. Security & Patching

  • Understanding of CVE fixes and backporting

5. Driver Development

  • Experience in writing or maintaining device drivers

6. Performance & Advanced Debugging

  • Exposure to eBPF, ftrace, perf

7. Hardware-Level Understanding

  • Knowledge of DMA, interrupts, hardware interaction

Soft Skills

  • Strong analytical and problem-solving abilities
  • Excellent communication skills
  • Ability to work independently and in collaborative environments
  • Quick learner with adaptability to new technologies


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Shubham Vishwakarma

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I had an amazing experience. It was a delight getting interviewed via Cutshort. The entire end to end process was amazing. I would like to mention Reshika, she was just amazing wrt guiding me through the process. Thank you team.
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About Vintronics Consulting

Founded :
2015
Type :
Services
Size :
0-20
Stage :
Profitable

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