Silicon Power and Performance Engineer

Qualcomm; Bengaluru; On-site; INR 1,500,000 - 2,100,000; Full time

Job summary

Qualcomm’s Platform Performance Team is seeking a performance engineer to own end-to-end benchmarking, regression tracking, system-level analysis, and optimization across ARMv9 server platforms. You will measure, analyze, and improve performance across hardware, firmware, OS, and software layers, collaborating with kernel, compiler, silicon, and customer teams.

You will run benchmarks like SPEC CPU, SPECrate, and SPECjbb, characterize CPU, memory, NUMA, and I/O behavior, tune Linux kernel

Qualifications

• Bachelor's degree in engineering, CS, or EE.
• 4+ years in performance engineering or related roles.

Responsibilities

• Execute and analyze performance benchmarks (SPEC CPU, SPECrate, SPECjbb) on ARMv9 servers.
• Characterize CPU, cache, memory, NUMA and I/O behavior across platforms.
• Understand impact of system configuration on benchmark results.
• Tune Linux kernel parameters and benchmark settings for optimal results.
• Collaborate cross-functionally with kernel, compiler, silicon, and customer teams.
• Define KPIs and automate regression detection in CI/CD environments.

Skills

Python

Bash

C/C++

ARMv9

Linux performance

Perf/VTune/TMA

Statistical analysis

Education

Bachelor's degree in engineering/CS/EE

Tools

perf

VTune

ARM Streamline

TMA

Job description

Join Qualcomm’s Platform Performance Team to drive ARMv9 server‑class CPU performance across cloud and enterprise platforms. In this role, you will own end‑to‑end benchmarking, regression tracking, system‑level performance analysis, and optimization to deliver industry‑leading results. You will work across hardware, firmware, OS, and software layers to measure, analyze, and improve performance, collaborating closely with kernel, compiler, silicon, and customer teams.

About the Role

In this role, you will own end‑to‑end benchmarking, regression tracking, system‑level performance analysis, and optimization to deliver industry‑leading results.

Responsibilities

• Execute and analyze SPEC CPU, SPECrate, SPECjbb, and representative cloud or microservice workloads
• Characterize CPU, cache, memory, NUMA, and I/O behavior on ARMv9 server platforms
• Understand what each benchmark measures and how system configuration impacts results
• Experience with ARMv9 platforms, UEFI/BIOS, PCIe/CXL, NUMA.
• Proficient with perf, VTune, ARM Streamline, TMA.
• Linux performance tuning and statistical analysis experience
• Performance Analysis & Root Cause Debugging
• Use PMU counters, profiling tools, and system traces to debug regressions
• Analyze CPI trends, cache misses, memory access patterns, and scheduler effects
• Form data‑driven hypotheses and validate them through controlled experiments
• Collaborate cross‑functionally to drive fixes and verify improvements
• Regression Tracking & Monitoring
• Define key performance indicators (KPIs) for server workloads
• Automate performance regression detection in CI/CD environments
• Track performance changes across software, firmware (UEFI/BIOS), and hardware updates
• Optimization
• Tune Linux kernel parameters, system configuration, and benchmark settings
• Evaluate compiler flags and toolchains for performance impact
• Optimize code paths where applicable using ARMv9 features and SVE/SVE2
• Customer & Ecosystem Validation
• Validate performance for hyperscalers, Kubernetes, and enterprise workloads
• Support OEM/ODM benchmarking, customer evaluations, and field issues
• Automation & Infrastructure
• Develop and maintain automated benchmarking frameworks
• Build scalable testbeds for repeatable performance testing
• Contribute to data collection, visualization, and reporting pipelines

Qualifications

• Bachelor’s degree in engineering, Computer Science, or Electrical Engineering
• 4+ years of experience in performance engineering, system software, or related roles

Required Skills

• Strong proficiency in Python and Bash for automation and data analysis
• Working knowledge of C/C++ in performance‑critical environments
• Familiarity with ARM‑based server platforms and Linux systems
• Hands‑on experience running and analyzing CPU Server workloads SPEC CPU, SPECrate, and SPECjbb
• Experience with performance tools such as perf, VTune, or equivalent
• Exposure to Linux performance tuning and basic statistical analysis

Preferred Skills

• Strong foundation in CPU and system architecture, with an understanding of how modern processors execute workloads and how architectural choices impact performance at scale.
• Awareness of microarchitectural behavior, including how core execution, caching, and control mechanisms influence efficiency, latency, and throughput across diverse workloads.
• Solid grasp of memory and platform architecture, with the ability to reason about data movement, locality, bandwidth and latency trade‑offs, and system‑level placement effects in complex environments.
• Familiarity with ARM‑based platforms, including exposure to contemporary ARM architectures and an appreciation of how architectural extensions affect performance characteristics.
• Working knowledge of Linux internals, particularly how operating system behavior influences CPU utilization, memory performance, and I/O efficiency.
• Exposure to virtualization technologies, with an understanding of how virtualized environments can impact performance measurement and tuning.
• Experience with performance benchmarking and analysis, including designing meaningful experiments, ensuring result consistency, identifying trends over time, and applying sound analytical judgment to interpret data.