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Artificial Intelligence, Semiconductors, Computer Hardware

Signal Integrity Measurement Engineer

Austin, TXOnsiteFull TimePosted 23 days agoVisa sponsorship available

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Required skills

  • Signal Integrity
  • Power Integrity
  • measurement
  • electrical compliance
  • simulation correlation
  • high-speed oscilloscopes
  • fixture characterization
  • repeatable measurements
  • PCIe
  • Ethernet

Nice to have

  • data center
  • hyperscale hardware
  • Python
  • MATLAB
  • measurement automation
  • simulation tools

Role summary

We are seeking a Signal Integrity Measurement Engineer to validate signal integrity (SI) and power integrity (PI) for advanced compute platforms. This role involves hands-on measurement, electrical compliance testing, troubleshooting, and simulation correlation. You will develop measurement plans, design experiments, and utilize equipment like VNAs, TDRs, BERTs, and oscilloscopes. Responsibilities include PCB test fixture design, calibration, de-embedding, and reporting. Collaboration with silicon, package, board, and system teams, as well as interconnect vendors and ODMs, is crucial. Experience with PCIe, Ethernet, DDR, SerDes, SPI, and I²C is expected. Preferred qualifications include data center/hyperscale hardware experience and proficiency in Python or MATLAB for automation and analysis.

1891

Signal Integrity Measurement Engineer

Location: Austin

About the Role

Validate signal integrity (SI) and power integrity (PI) for advanced compute platforms, focusing on hands-on measurement, electrical compliance, troubleshooting, and simulation correlation.

Key Responsibilities

  • Develop measurement plans and design of experiments (DOE) for board-to-board, cable, backplane, blade-, and rack-level interconnects.
  • Measure scattering parameters (S-parameters), insertion loss, return loss, impedance, crosstalk, eye diagrams, jitter, timing margins, and bit error rates.
  • Design printed circuit board (PCB) test fixtures; perform calibration, de-embedding, and electrical compliance testing against interface specifications and customer requirements.
  • Correlate measurements with simulations and troubleshoot issues with silicon, package, board, and system teams, interconnect vendors, and original design manufacturers (ODMs).
  • Prepare validation and compliance reports covering methods, pass/fail results, performance margins, findings, and recommendations.

    • Required Qualifications

  • Hands-on expertise with vector network analyzers (VNAs), including performance network analyzers (PNAs); time-domain reflectometers (TDRs); bit error rate testers (BERTs); and high-speed oscilloscopes.
  • Strong SI/PI fundamentals and experience with fixture characterization, repeatable measurements, DOE, and electrical compliance testing.
  • Strong written and verbal communication skills for technical reporting and cross-functional collaboration.
  • Bachelor's or master's degree in Electrical Engineering, Computer Engineering, or a related field.

    • Preferred Qualifications

    Data center or hyperscale hardware experience; Python or MATLAB for measurement automation and analysis; familiarity with simulation tools and thermal or mechanical effects on SI/PI.

    Tools / Technologies

    Peripheral Component Interconnect Express (PCIe) generations 4/5/6, Ethernet, Double Data Rate (DDR) memory, serializer/deserializer (SerDes) links, Serial Peripheral Interface (SPI), and Inter-Integrated Circuit (I²C).

    Why Join Us

    Work with experienced technical leaders and interconnect partners to improve high-performance compute hardware.

    USA BenefitsIn addition to a competitive salary, Graphcore offers flexible working and a comprehensive benefits package designed to support your health, wellbeing and financial future. Our benefits include medical, dental and vision coverage, Flexible Spending Accounts (FSAs), Health Savings Accounts (HSAs), disability and life insurance, a 401(k) retirement plan, commuter benefits, wellness services and an Employee Assistance Programme (EAP). We welcome people of different backgrounds and experiences; we're committed to building an inclusive work environment that makes Graphcore a great home for everyone. We offer an equal opportunity process and understand that there are visible and invisible differences in all of us. We can provide a flexible approach to interview and encourage you to chat to us if you require any reasonable adjustments.

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