Software Engineer - Linux Kernel Power Management

Nest Digital

4 - 10 years

4 - 8 Lacs

Bengaluru Karnataka India

Posted:18 hours ago| Platform: Foundit logo

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Skills Required

Linux kernel development power optimization power management ftrace powertop kernelshark PERF

Work Mode

On-site

Job Type

Full Time

Job Description

Key Responsibilities:

Design, develop, and maintain
Linux kernel power management features
(suspend/resume, CPU idle, DVFS, runtime PM).
Work closely with hardware and platform teams to enable low-power modes for embedded SoCs.
Analyze and debug
power-related kernel issues
, system hangs, or wakeup failures.
Modify or extend kernel subsystems (e.g., PM framework, cpuidle, cpufreq, thermal).
Tune
Device Tree
entries and drivers to ensure correct power domain usage and clock gating.
Use tools like
ftrace, powertop, kernelshark, perf
, and
pm-qa
to monitor power behavior and system activity.
Contribute to kernel board support packages (BSPs) for new platforms.
Ensure system stability and compliance with upstream or vendor kernel baselines.

Required Skills & Experience:

Strong experience with
Linux Kernel internals
, particularly in
Power Management
.
Hands-on experience with
C programming
for kernel-space.
Familiarity with
Device Tree
, platform drivers, clocks, and regulators.
Good understanding of
low-power states
, SoC power rails, and clock domains.
Proficient in debugging tools and techniques for kernel issues (e.g., ftrace, crash, serial logs).
Experience working on
ARM-based architectures
(e.g., Cortex-A series).
Exposure to
git
, kernel build systems (Make, Kconfig), and cross-compilation toolchains.

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