Principal Power Analysis & Optimization Engineer

Invent the future with us.

Ampere is a semiconductor design company for a new era, leading the future of computing with an innovative approach to CPU design focused on high-performance, energy‑efficient AI compute.

As a pioneer in the new frontier of energy‑efficient high‑performance computing, Ampere is part of the Softbank Group driving sustainable computing for AI, Cloud, and edge applications. Join us and work alongside a passionate and growing team – we’d love to have you apply!

Ampere Computing is seeking a skilled Principal Power Analysis & Optimization Engineer to join our Silicon Engineering team. In this role you will focus on power modeling, analysis, and optimization to help design high‑performance, power‑efficient CPUs and SoCs. You will collaborate across multiple teams to define power requirements and drive power optimization efforts from architecture and micro‑architecture stages through to final silicon implementation.

The ideal candidate will have a strong background in SoC and CPU architecture, solid CMOS design fundamentals, and extensive knowledge of power‑reduction techniques across different levels of abstraction. You should be proficient in interpreting results from various power estimation tools and translating them into actionable strategies for power reduction. Experience in developing automated flows and scripting for data analysis and result consolidation is essential.

• Lead and coordinate power management efforts across multiple teams
• Support Micro‑Architecture and Architecture teams in meeting SoC power targets
• Establish power optimization budgets for all design blocks and implement validation runs throughout the design cycle
• Enhance existing power modeling and analysis methodologies
• Define tests and benchmarks for pre‑silicon power analysis across all blocks
• Configure power analysis environments at both RTL and gate levels for comprehensive pre‑silicon evaluation
• Review and assess power analysis reports at RTL and gate levels, identifying opportunities for improvement at the architectural, RTL, and synthesis stages
• Analyze power consumption based on workload activities executed in emulation environments
• Develop a thorough understanding of various CPU use cases, as well as Memory and PCIe workloads
• Utilize industry‑standard power analysis tools such as Spyglass, Power Artist, Joules, and Prime Power

• Proficient in power analysis utilizing gate‑level and RTL power analysis tools
• Strong knowledge of power analysis techniques and optimization strategies for CMOS designs
• In‑depth understanding of power‑saving methods such as clock‑gating, power‑gating, and DVFS
• Solid grasp of processor architecture and workload characteristics
• Experienced in programming and scripting with Perl, Python, and Tcl
• Skilled in conducting power analysis based on activity data from emulation environments
• Educational background in Electrical or Computer Engineering with:
  • Bachelor’s degree plus 8 years of relevant experience, or
  • Master’s degree plus 6 years of relevant experience, or
  • PhD plus 3 years of relevant experience

At Ampere we believe in taking care of our employees and providing a competitive total rewards package that includes base pay, cash long‑term incentive, and comprehensive benefits. The full base pay range for this role is between $182,000 and $273,000, except in the San Francisco Bay Area where the range is between $195,000 and $292,000.

Our benefits include health, wellness, and financial programs that support employees through every stage of life.

• Premium medical, dental, vision insurance, income protection, and a 401(k) retirement plan, so that you can feel secure in your health and financial future.
• Unlimited flextime and 10+ paid holidays so that you can embrace a healthy work‑life balance.
• A variety of healthy snacks, energizing espresso, and refreshing drinks to keep you fueled and focused throughout the day.

Ampere is an inclusive and equal‑opportunity employer and welcomes applicants from all backgrounds. All qualified applicants will receive consideration for employment without regard to race, color, national origin, citizenship, religion, age, veteran and/or military status, sex, sexual orientation, gender, gender identity, gender expression, physical or mental disability, or any other basis protected by federal, state or local law.