Principal CAD Engineer — Tapeout, Tooling & Automation

SiTime Corp.; Tempe (AZ); On-site; USD 161,000 - 230,000; Full time

Job summary

SiTime Corp. in Tempe, AZ, invites a Principal CAD Engineer to lead CAD flows for CMOS designs using Cadence, Synopsys, Siemens, and Keysight tools. You’ll support Behavioral, RTL and Analog designs, perform simulations, and drive tool improvements across multiple sites.

The role involves interfacing with EDA vendors, deploying new tool flows, and maintaining documentation for design teams. Strong Linux and scripting skills are essential.

Qualifications

• 7+ years in analog and digital CMOS IC CAD support.
• Experience with Cadence Virtuoso and Layout Suite.
• Familiar with Linux OS, scripting and EDA tools.
• Experience with end-to-end tapeout flows and foundry processes.

Responsibilities

• Provide full lifecycle CAD flow support across Cadence, Synopsys, Siemens and Keysight platforms.
• Own PDK installation, validation, customization and release management.
• Coordinate tapeout submissions to foundries and ensure schedule compliance.
• Support Schematic Capture, Analog/Digital/Mixed-signal sims, Layout and LVS workflows.
• Maintain digital simulation and place-and-route tools.
• Develop CAD utilities, automation scripts and regression flows.
• Perform functional evaluation, performance benchmarking and tool deployment.
• Prepare user documentation and training materials.

Skills

Analytical thinking

Excellent communication

Team collaboration

English proficiency

Problem solving

Education

B.S. in Electrical Engineering or Computer Science

Tools

Cadence Virtuoso

Cadence Layout Suite

Spectre / Spectre-RF

Innovus

Questa

Parasitic CALIBRE PVS

Synopsys Design Compiler

VCS

SpyGlass

Python

Linux scripting

Job description

SiTime Corp. in Tempe, AZ, invites a Principal CAD Engineer to lead CAD flows for CMOS designs using Cadence, Synopsys, Siemens, and Keysight tools. You’ll support Behavioral, RTL and Analog designs, perform simulations, and drive tool improvements across multiple sites.

The role involves interfacing with EDA vendors, deploying new tool flows, and maintaining documentation for design teams. Strong Linux and scripting skills are essential.