Signal/Power Integrity Eng, Annapurna Labs

Amazon; Austin (TX); On-site; USD 136,000 - 184,000; Full time

Benefits offered by this job

Health insurance

401(k) matching

Paid time off

Parental leave

Job summary

Annapurna Labs in Austin, TX is seeking a Signal Integrity / Power Integrity Engineer to help define, design, and validate next-generation AWS ML ASICs. You will work with hardware teams to ensure robust SI/PI across packages, PCBs, and interposers, delivering reliable performance for data center workloads.

The ideal candidate has 3+ years in SI/PI, hands-on with Hspice, Cadence, HFSS, and experience in high-speed signaling, power delivery, and advanced packaging. A Master’s degree is preferred.

Qualifications

• 3+ years of experience in signal and power integrity.
• Hands-on with simulation tools like Hspice, Cadence, and HFSS.
• Experience with PCB, packaging interposers (COWOS) and silicon technologies.
• Knowledge of transmission line theory and electromagnetics in SerDes and parallel interfaces.
• Master’s degree in Electrical Engineering (preferred).
• Experience with die capacitors, DTC caps and IPD caps.
• Experience with SOC power and integrated power modules.
• Experience with 3D/2.5D EMIR tools: Redhawk 3DIC or Voltus.
• 5+ years of experience with high-speed scopes and probing techniques.

Responsibilities

• Define, design and validate SI/PI aspects for AWS next‑gen ML ASICs.
• Collaborate across teams to solve challenging hardware problems at all design layers.
• Apply SI/PI techniques to packages, PCBs and interposers to ensure robust performance.
• Ensure power delivery systems meet datacenter reliability and efficiency.

Skills

Signal Integrity

Power Integrity

Hspice

Cadence

HFSS

Sigrity

Redhawk 3DIC

Voltus

High‑Speed Probing

Education

Master’s degree in Electrical Engineering (preferred)

Tools

Hspice

Cadence

HFSS

Sigrity

Microwave Studio

Redhawk 3DIC

Voltus

Job description

Signal/Power Integrity Eng, Annapurna Labs

Annapurna Labs designs silicon and software that accelerates innovation. Customers choose us to create cloud solutions that solve challenges that were unimaginable a short time ago—even yesterday. Our custom chips, accelerators, and software stacks enable us to take on technical challenges that have never been seen before, and deliver results that help our customers change the world.

We are seeking a SI/PI Engineer (Signal Integrity and Power Integrity) who will play a key role in the definition, design and validation of AWS next generation machine learning ASICs. As a member of our hardware team, you will have a meaningful opportunity to participate in the design and execution of all SI related topics, with the goal of creating and customized platforms that fit within AWS datacenter’s world leading technology.

Responsibilities

Our engineers collaborate across diverse teams, projects, and environments to have a firsthand impact on our global customer base. You’ll bring a passion for innovation, data, and hardware knowledge and solve challenging technical problems, often ones not solved before, at every layer of the design.

Qualifications

The ideal candidate will bring 3+ years of experience in signal and power integrity, with hands‑on expertise in simulation tools like Hspice, Cadence, and HFSS. The role involves working with advanced packaging technologies, PCB design, and power delivery systems. Additional experience with die capacitors, SOC power, and 3D/2.5D EMIR simulation tools would be valuable.

• 3+ years of experience using time domain and frequency domain tools: Hspice, Sigrity, HFSS, or Microwave Studio
• 3+ years of experience with PCB, Package, interposers (COWOS) and Silicon Technologies
• 3+ years of experience in Transmission line theory and Electromagnetics and its application in SerDes, Single‑ended signal and parallel bus interfaces
• Master’s degree in Electrical Engineering (preferred)
• Experience with die capacitors, DTC caps and IPD caps
• Experience with SOC power, integrated power Module
• Experience with 3D/2.5D EMIR simulation tools: Redhawk 3DIC or Voltus
• 5+ years of experience with high speed scopes and probing techniques

Amazon is an equal opportunity employer and does not discriminate on the basis of protected veteran status, disability, or other legally protected status.

Benefits

We offer comprehensive benefits including health insurance (medical, dental, vision, prescription, Basic Life & AD&D insurance, optional supplemental life plans, EAP, Mental Health Support, Medical Advice Line, Flexible Spending Accounts, Adoption and Surrogacy Reimbursement coverage), 401(k) matching, paid time off, and parental leave.

Salary & Location

USA, TX, Austin – $136,000.00 to $184,000.00 USD annually