Software Engineer - Linux Kernel Power Management Nest Digital

4.0 - 10.0 years

4 - 8 Lacs

Bengaluru, Karnataka, India

On-site

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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PPAT Developer QTiMinds Private Limited

3.0 - 6.0 years

7 - 10 Lacs

Hyderabad, Telangana, India

On-site

Analyze and optimize Linux-based systems for power efficiency and thermal behavior. Develop and maintain tools for measuring power consumption, CPU/GPU/DSP utilization, and thermal performance. Tune DVFS, CPUFreq, idle states, cpuidle, and thermal governors. Interface with kernel and firmware teams to drive platform-level power and thermal optimizations. Debug power-related issues and collaborate with hardware teams to identify root causes. Evaluate and recommend architectural changes to improve performance-per-watt. Run benchmarks and workload simulations to validate performance KPIs.

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Power, Performance, and Thermal(PPAT) Developer TestCore IT Solutions Pvt. Ltd.

5.0 - 12.0 years

0 Lacs

Hyderabad, Telangana, India

On-site

Job Title : Power, Performance, and Thermal (PPAT) Developer Experience : 512 years Job Summary : We are seeking a skilled PPAT Developer to analyze, optimize, and validate power, performance, and thermal aspects of embedded Linux systems. You will work on silicon-level power domains, kernel frameworks, and user-space profiling tools to deliver optimized systems for thermal and battery efficiency. Key Responsibilities : Analyze and optimize Linux-based systems for power efficiency and thermal behavior. Develop and maintain tools for measuring power consumption, CPU/GPU/DSP utilization, and thermal performance. Tune DVFS, CPUFreq, idle states, cpuidle, and thermal governors. Interface with kernel and firmware teams to drive platform-level power and thermal optimizations. Debug power-related issues and collaborate with hardware teams to identify root causes. Evaluate and recommend architectural changes to improve performance-per-watt. Run benchmarks and workload simulations to validate performance KPIs. Required Skills : Strong understanding of Linux kernel power management and thermal frameworks. Experience with tools like perf, powertop, turbostat, thermal_zone, and stress-ng. Hands-on with tracing tools like ftrace, LTTng, or perfetto. Good knowledge of SoC power architecture, regulators, clocks, and sleep states. Programming skills in C, Python, and shell scripting. Show more Show less

Posted 3 days ago

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