High Performance CPU Architect Specialist

6 days ago

Tiruchi, Tamil Nadu, India beBeeCPUArchitect Full time ₹ 1,50,00,000 - ₹ 2,50,00,000
Job Overview

We are seeking a highly skilled technical leader with extensive experience in ARM-based CPU architecture, embedded firmware, and low-level system software. This role requires a hands-on expert with deep expertise in CPU microarchitecture, cache/memory subsystems, power-performance optimization, and Linux kernel integration.

The ideal candidate will work at the intersection of CPU design and system software, driving innovations in core CPU, firmware/OS enablement, and performance tuning for next-generation SoCs used in automotive and edge computing platforms.

Main Responsibilities:
  • Define and architect core CPU software interfaces (firmware, BSP, drivers) aligned with ARM CPU microarchitecture features.
  • Design and implement low-level firmware and kernel components for CPU initialization, exception handling, MMU setup, coherency, and memory management.
  • Collaborate with CPU design and silicon teams on pipeline features, caches, coherency protocols, branch prediction, and power states.
  • Lead Linux kernel and RTOS integration for CPU subsystems, focusing on scheduling, memory, and power-aware optimizations.
  • Drive CPU power management strategies: clock gating, DVFS, retention states, idle states, and adaptive scaling.
  • Perform CPU and memory subsystem performance profiling using simulators, emulators, JTAG, and hardware trace/debug tools.
  • Define system-level performance/power KPIs and lead tuning across CPU, firmware, kernel, and device drivers.
  • Mentor engineers and guide architecture reviews, patents, and long-term CPU strategy.
  • Partner with cross-functional teams to deliver high-performance CPU platforms.
Key Requirements:

The successful candidate must possess deep expertise in ARMv8/v9 architecture, exception levels, MMU, caches, coherency protocols, ISA extensions, and PMU. They should also have strong hands-on experience in firmware, Linux kernel internals, RTOS, and device drivers.

A proven ability in CPU pipeline analysis, memory subsystem tuning, DVFS, cpuidle/cpufreq frameworks, and power-performance tradeoff analysis is essential. Experience in CPU bring-up, silicon validation, trace analyzers, emulators, JTAG, and kernel tracing tools is also required.

Proficiency in C/C++ and assembly (ARM), with Python/Shell for automation, is necessary. Familiarity with PCIe, Ethernet, I²C, SPI, CAN, USB, and memory buses (DDR, LPDDR) is an advantage. Strong problem-solving skills with the ability to root-cause complex issues across CPU architecture, firmware, and OS layers are a must.

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