Senior Signal Integrity Engineer

Senior Signal Integrity Engineer

Santa Barbara, CA

$220,000–$250,000 base salary + bonus + equity

We are seeking a Senior Signal Integrity Engineer to lead the design, modelling, and validation of high-speed optical link platforms for next-generation AI data centre interconnects.

In this role, you will own signal integrity across electrical and electro-optical channels—including PCB, package, connector, and photonic interfaces—ensuring reliable operation at state-of-the-art baud rates while meeting stringent BER targets.

Key Responsibilities

• Lead signal integrity for high-speed links, including channel modelling, loss, reflection, crosstalk analysis, and equalisation strategies such as FFE, DFE, and CTLE.
• Define and review high-speed channel architecture spanning PCB, package, connectors, and photonic interfaces.
• Drive SI design reviews with external ...