Senior Power Integrity Engineer - AI PDN Lead (4-Day Week)

Semidynamics; Barcelona; Hybrid; EUR 110,000 - 145,000; Full time

Benefits offered by this job

4 days per week in Barcelona office

1 day WFH

Global work-from-anywhere week

Job summary

Semidynamics seeks a Senior PDN Design Engineer to own the PDN from voltage regulator outputs to die bumps, ensuring impedance, IR drop and decoupling meet performance targets across die, package and board.

You will lead DC IR, electro-thermal and AC impedance studies, size on-die and board decoupling, and mitigate resonance. Hybrid work in Barcelona with an accelerated development path.

Qualifications

• 8+ years in power integrity for high-speed digital systems.
• Hands-on with PDN extraction and simulation tools.
• Experience with target impedance and decap optimization.

Responsibilities

• Build and close DC IR, electro-thermal, AC impedance and transient PDN analysis from VR output through package to die bump.
• Set target impedance per rail and hold the design to it.
• Size on-die, package and board decoupling using workload current profiles.
• Identify package-board anti-resonance and drive mitigation through layout changes.
• Translate PDN noise into jitter and feed back into channel budget.
• Coordinate with IP, PHY and package vendors and validate against measurements.

Skills

Power integrity

Python scripting

PDN extraction

Package substrate analysis

Tools

Ansys SIwave/HFSS

Cadence Sigrity/Clarity

Job description

Semidynamics seeks a Senior PDN Design Engineer to own the PDN from voltage regulator outputs to die bumps, ensuring impedance, IR drop and decoupling meet performance targets across die, package and board.

You will lead DC IR, electro-thermal and AC impedance studies, size on-die and board decoupling, and mitigate resonance. Hybrid work in Barcelona with an accelerated development path.