Senior Staff Engineer, CPU Micro-architecture Expert

7 days ago

San Jose, California, United States Samsung Semiconductor Full time
Job Overview

We are seeking an experienced CPU Micro-architect to join our high-performance CPU design team at Samsung Semiconductor. As a key member of our team, you will be responsible for defining, developing, and optimizing the microarchitecture of cutting-edge CPU cores.

Key Responsibilities
  • Define and develop the microarchitecture for high-performance CPU/GPU/DSP/AI Engine cores for HPC, Datacenter or AI platforms/applications.
  • Collaborate with team members to transform high-level CPU architectural models into detailed microarchitectural implementations.
  • Optimize CPU designs for performance, power, and area while maintaining overall system coherence and efficiency.
  • Lead and participate in the design of key CPU components, including instruction pipelines, branch prediction, execution units, and memory subsystems.
  • Work closely with RTL engineers to ensure proper translation of microarchitecture specifications into clean and efficient RTL code.
  • Perform microarchitecture modeling and simulations to evaluate performance and ensure design robustness.
  • Identify, debug, and resolve architectural and microarchitectural bottlenecks.
  • Collaborate with verification, backend, and physical design engineers to ensure design goals are met across different domains.
  • Contribute to the CPU roadmap by identifying new techniques, features, and optimizations to stay ahead of industry trends.
Requirements
  • Bachelors in Electrical/Computer Engineer with 15 years of relevant industry experience, or Masters in Electrical/Computer Engineer with 13 years or PhD in Electrical/Computer Engineer with 8 years preferred.
  • 5+ years of experience in CPU design and microarchitecture, with hands-on experience in developing and optimizing microarchitectures for high-performance CPU cores.
  • Strong understanding of CPU architectures, instruction sets (such as x86, ARM, RISC-V), and microarchitecture design principles (out-of-order execution, multi-level caches, branch prediction, etc.).
  • Proficiency in RTL design, including experience with Verilog/System Verilog.
  • Proven experience in microarchitecture modeling, simulation, and performance evaluation.
  • Deep knowledge of pipelining, superscalar execution, and out-of-order execution architectures.
  • Familiarity with memory hierarchies, including caches, TLBs, and memory management, cache coherence protocols etc.
  • Experience with power and performance trade-offs.
Preferred Skills
  • Experience with RISC-V/ARM/x86 architecture and other open-source CPU architectures.
  • Knowledge of high-performance microarchitecture design techniques.
  • Proficiency in using performance tools and simulators such as gem5 or custom architectural models.
  • Familiarity with multicore and multi-threaded CPU designs.
  • Understanding of ASIC physical design flows, including clocking, timing closure, and power management.
What We Offer

We offer a comprehensive package of benefits, including medical, dental, and vision coverage, 401(k) matching, and a charitable giving match. We also provide opportunities for professional growth and development, as well as a flexible work environment that supports work-life balance.

We are an equal opportunity employer and welcome applications from diverse candidates. We are committed to creating an inclusive and diverse workplace that values and respects all employees.

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