Samsung Semiconductor · 2 days ago
Senior, CPU Architecture & Performance Research Engineer
San Jose, California, United States
Full-time
Onsite
Mid, Senior Level
$138K/yr - $206K/yr
2+ years expSamsung Semiconductor is a global leader in technology solutions, powering everyday tools and devices. They are seeking a Senior CPU Architecture & Performance Research Engineer to contribute to performance analysis and microarchitectural optimization of CPU cores, focusing on hands-on analysis and collaboration with design teams to enhance performance across workloads.
Semiconductor
Responsibilities
Perform performance analysis for CPU microarchitectural features under guidance from Staff and Principal engineers
Run architectural simulations and analyze results (IPC, CPI stacks, latency and throughput metrics)
Identify performance bottlenecks in frontend, execution engine, or memory subsystems
Assist in evaluating design trade-offs using trace-driven or cycle-accurate models
Characterize workloads and benchmarks (SPEC, server, client, internal traces)
Develop scripts and tools to automate performance analysis
Work leading to patents and publication
Qualification
Required
Master's, or PhD in Computer Engineering, Computer Science, or related field
2+ years of experience in CPU microarchitecture and/or performance engineering
Strong understanding of: Out-of-order execution, branch prediction, pipelines, and speculation
Strong understanding of: Cache coherence, memory systems, prefetching, and NUMA effects
Hands-on experience with architectural simulators (like gem5)
Strong programming skills in C/C++ and Python
Experience analyzing large performance datasets and traces
Familiarity with compiler optimizations and hardware/software co-design
Preferred
Experience with RISC-V, ARM or X86 architectures
Background in power/performance/area (PPA) trade-off analysis
Familiarity with SIMD / Vectors / VME for AI inference workloads
Prior tapeout / patent / publication experience
You're inclusive, adapting your style to the situation and diverse global norms of our people
You approach challenges with curiosity and resilience, seeking data to help build understanding
You're collaborative, building relationships, humbly offering support and openly welcoming approaches
Innovative and creative, you proactively explore new ideas and adapt quickly to change
Benefits
Medical/Dental/Vision/401k
Charitable giving match
4+ weeks of paid time off a year
Stipend for fertility care or adoption
Medical travel support
Virtual vet care for your fur babies
On-demand apps and free confidential therapy sessions
Onsite Café and gym
Virtual classes
Flexible environment
Company
Samsung Semiconductor
Samsung Semiconductor, Inc. (SSI) is a multi-billion dollar wide range of industry-leading semiconductor solutions.
Founded in 1974San Jose, California, USA
10001+ employees
H1B Sponsorship
Samsung Semiconductor has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (130)
2024 (110)
2023 (153)
2022 (134)
2021 (124)
2020 (134)
Funding
Current Stage
Late StageLeadership Team
Daehee Lee
Principal Engineer
Eric Hibbard
Director, Product Planning – Security
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