Signal Integrity Engineer - High-Speed AI Data Center PHY

Socket.dev; Mountain View (CA); Hybrid; USD 157,000 - 176,000; Full time

Benefits offered by this job

Health plan

Retirement match

Life insurance

Time off

Family leave

Disability

Training & development

Commuter benefits

Hybrid/work flexibility

Equity grants

Job summary

Lightmatter is seeking a Signal Integrity engineer to drive next generation products from concept to development. You will be part of the Signal Integrity, Power Integrity and Packaging team, influencing the package and system architecture, design, and analysis through lab bring-up to meet the product's signal integrity requirements.

This role offers a unique opportunity to solve complex interactions across digital, analog and photonics domains while meeting stringent signal integrity goals.

Qualifications

• B.S. or M.S. degree in Electrical Engineering or related field.
• Strong knowledge of signal integrity analysis for high-speed interfaces.
• Experience with SI tools such as Ansys Siwave, HFSS and Keysight ADS.
• Ability to write scripts to automate simulation flow.

Responsibilities

• Plan and execute moderate to complex signal integrity tasks for PCIe, UCIe and SerDes.
• Analyze high-speed channel characteristics including S-parameters, loss and crosstalk.
• Perform SI analysis and simulations (eye diagrams, jitter, equalization).
• Collaborate with hardware designers and PCB layout engineers on projects.
• Assist with impedance matching, termination, and routing techniques.
• Perform detailed SI measurements using scopes, VNAs, TDRs.
• Participate in SI design reviews and present findings.
• Document SI analysis results and design guidelines for stakeholders.

Skills

Signal integrity analysis

High-speed interfaces

Lab measurement & test

Scripting (Python/JavaScript)

Education

B.S./M.S. in Electrical Engineering

Tools

Ansys Siwave

HFSS

Keysight ADS

Job description

Lightmatter is seeking a Signal Integrity engineer to drive next generation products from concept to development. You will be part of the Signal Integrity, Power Integrity and Packaging team, influencing the package and system architecture, design, and analysis through lab bring-up to meet the product's signal integrity requirements.

This role offers a unique opportunity to solve complex interactions across digital, analog and photonics domains while meeting stringent signal integrity goals.