Ampere Computing

Principal DDR PHY Validation Engineer

Ampere Computing$195K — $292K *
Information Technology
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • 6+ years of DDR5 PHY validation experience in bring-up and tuning.
  • Strong background in DDR5 Compliance testing.
  • Proficient in oscilloscope-based debugging, including eye and jitter analysis.
  • Deep understanding of Signal Integrity (SI) and Power Integrity (PI) effects on DDR5.
  • Experience in analog characterization for performance assessment.
  • Proficient in C Programming and Python for automation tools.
  • Familiarity with LPDDR and JEDEC standards is a plus.

Responsibilities

  • Own the DDR5 PHY validation strategy for bring-up and release readiness.
  • Lead validation and optimization of DDR5 training/tuning processes.
  • Drive signal-quality analysis and root-cause investigations.
  • Build and enhance validation automation and debug tools in C.
  • Provide technical leadership and mentoring in complex debugging scenarios.

Benefits

  • Premium medical, dental, and vision insurance plans.
  • Income protection and 401K retirement plan for financial security.
  • Unlimited flextime with over 10 paid holidays for work-life balance.
  • Access to healthy snacks and beverages to maintain focus.
Full Job Description
Description

About the Role:

As a Principal DDR PHY Validation Engineer, you will apply extensive, specialized expertise and visionary leadership to strategically deliver high-quality, next-gen memory subsystem validation for AI-integrated processors. This pivotal role leads to significant, unique technical challenges, requiring incisive evaluation of complex data and intangible factors. You will spearhead DDR5 PHY-focused validation and signal-quality root-cause efforts assuring exemplary performance and absolute data/stability consistency.

What You'll Achieve:

  • Own DDR5 PHY-focused validation strategy across bring-up, tuning, and release readiness.
  • Lead DDR5 training/tuning validation and optimization (read/write leveling, timing alignment, Vref, ODT/termination, training convergence).
  • Drive signal-quality analysis and root-cause using eye/margin/jitter/clocking and correlation to BER/error rate.
  • Build and extend DDR5 validation automation and debug tooling using C for execution, logging, sweeps, and data reduction.
  • Provide principal-level technical leadership through complex debug ownership, engineering mentoring, and evidence-based reporting/recommendations.

About You:

  • 6+ years of DDR5 PHY expertise in bring-up validation, training/tuning , and stability issue resolution.
  • Solid background in DDR5 Compliance testing.
  • Strong oscilloscope-based debug skills using eye, jitter, clock, and data observations.
  • Deep knowledge of how SI/PI impacts DDR5 behavior and link stability.
  • Competence in analog characterization and turning measurements into clear go/no-go performance decisions.
  • C Programming and Python proficiency to build automation and debug tools for validation flows.
  • Additional skills highly desired: LPDDR, JEDEC

Education:

  • BS degree in Electrical Engineering, Computer Engineering, or Computer Science & 8 years of related experience; MS degree & 6 years

Pay and Benefits

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 $195,000 and $292,000.

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

Benefit highlights include:

  • Premium medical insurance, dental insurance, vision insurance, as well as income protection and a 401K 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.


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About Ampere Computing

Ampere Computing is a semiconductor company that designs and manufactures high-performance processors for cloud and edge computing. The company's processors are based on the Arm architecture and are optimized for power efficiency and performance. Ampere Computing was founded in 2017 by former Intel president Renee James and is headquartered in Santa Clara, California.
Learn more about Ampere Computing
Size
200 employees
Industry
Founded
2017

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