Senior Signal Integrity Engineer

d-Matrix

Senior Staff Signal Integrity Engineer at d-Matrix focusing on electrical integrity of AI platforms. Leading modeling, simulation, and validation for high-speed interfaces and power delivery.

Posted 5/6/2026full-timeSanta Clara • California • 🇺🇸 United StatesSenior💰 $150,000 - $250,000 per yearWebsite

About the role

Key responsibilities & impact

Lead the end-to-end modeling, simulation, and correlation efforts—from the silicon die through the package and across the system PCBA.
Drive the SI/PI strategy for next-generation AI accelerators.
Lead the modeling and analysis of complex multi-chip packages.
Design and optimize the Power Delivery Network (PDN) to meet stringent Z_Target requirements.
Perform comprehensive channel simulations using IBIS-AMI models.
Lead the "Gold Suite" validation in the lab.

Requirements

What you’ll need

MS/PhD in Electrical Engineering or a related field with a focus on Electromagnetics or Signal Integrity.
12+ years in SI/PI design for high-performance networking, GPUs, or server platforms.
Expert-level proficiency in industry-standard tools: SI: Ansys HFSS, Cadence Sigrity, Keysight ADS, or Simbeor. PI: Ansys SIwave, Cadence PowerSI, or CST.
Proven track record with 112G SerDes and high-speed memory architectures. Deep understanding of PAM4 signaling and FEC (Forward Error Correction) impact on link margins.
Hands-on experience with 50GHz+ VNAs, TDRs, and real-time/sampling oscilloscopes.

Benefits

Comp & perks

Medical/Dental/Vision
401k
Diverse package of benefits centered around the wellbeing of our employees

ATS Keywords

✓ Tailor your resume

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools

modelingsimulationcorrelationPower Delivery Network (PDN)channel simulations112G SerDeshigh-speed memory architecturesPAM4 signalingForward Error Correction (FEC)electromagnetics

Soft Skills

leadershipstrategic planningproblem-solvingcollaborationcommunication