Principal Physical Design Engineer jobs in United States
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Ampere · 2 days ago

Principal Physical Design Engineer

Ampere is a semiconductor design company leading the future of computing with innovative CPU design focused on high-performance and energy efficiency. The Principal Physical Design Engineer will focus on CPU/GPU physical design and interconnect integration, collaborating with various teams to ensure robust designs that meet performance and power requirements.

Cloud ComputingCloud Data ServicesHardwareSemiconductor
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Growth Opportunities
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H1B Sponsor Likelynote

Responsibilities

Interconnect floor planning iterations, partitioning, pin-placement, wire planning, clock distribution network
Working with Architecture, RTL and timing teams for optimal floorplan from system performance point of view
Implement power and clock domain crossing with UPF and timing methodologies
Converge timing on high speed interface with appropriate methods of clock balancing and skewing
Lead and execute physical design tasks for CPU/GPU blocks including floor planning, placement, clock tree synthesis, routing, and optimization
Collaborate with RTL designers and timing engineers to achieve timing closure, power targets, and area goals
Perform physical verification and signoff checks ensuring design compliance with foundry rules and design specifications
Analyze and resolve physical design issues such as congestion, timing violations, and signal integrity challenges
Develop scripts and automation flows to improve design efficiency and quality
Address interconnect-related challenges such as crosstalk, IR drop, electromigration, and noise
Document design methodologies, best practices, and integration guidelines specific to Ampere’s CPU/GPU physical design flows
Collaborate and work with cross geo teams in India & Vietnam

Qualification

CPU/GPU physical designInterconnect integrationTiming analysisEDA tools proficiencyScripting languagesProblem-solving skillsEffective communicationCollaboration skills

Required

Experience in high performance/low power physical design with a focus on CPU and/or GPU architectures
Proven expertise in both CPU physical design and interconnect integration/implementation
Solid understanding of timing analysis, signal integrity, power integrity, electromigration, and advanced process technologies (7nm, 5nm, or below)
Deep understanding of semiconductor device physics, interconnect materials, and advanced process technologies (7nm, 5nm, or below)
Strong proficiency with EDA tools such as Cadence Innovus, Synopsys ICC2, Mentor Calibre, and parasitic extraction tools (StarRC, Quantus)
Experience with scripting languages (Tcl, Python) for automation and tool customization
Excellent problem-solving skills and ability to work effectively in cross-functional teams
Effective communication skills to collaborate with design, verification, and manufacturing teams
Electrical or Computer Engineering - Bachelor's degree & 8 years of related experience; or Master's degree & 6 years; or PhD & 3 years

Benefits

Premium medical insurance
Dental insurance
Vision insurance
Income protection
401K retirement plan
Unlimited Flextime
10+ paid holidays
A variety of healthy snacks
Energizing espresso
Refreshing drinks

Company

Ampere

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Ampere is a modern semiconductor company designing the future of hyperscale cloud and edge computing with the world’s first Cloud Native Processors.

H1B Sponsorship

Ampere 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 (52)
2024 (50)
2023 (61)
2022 (56)
2021 (52)
2020 (30)

Funding

Current Stage
Late Stage
Total Funding
$813.8M
Key Investors
OracleThe Carlyle Group
2025-03-20Acquired
2022-04-01Secondary Market· $127.8M
2022-04-01Convertible Note· $300M

Leadership Team

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Renee James
Founder, Chairman & CEO
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Todd M. Underwood
Chief Financial Officer
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Company data provided by crunchbase