Gate-level Noise (Signal Integrity) / STA CAD Engineer

Apple Inc

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Work type
On-site
Location
Austin, TX
Posted
1 day ago
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Confirmed live today

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About Apple Inc

Apple Inc. is a multinational technology company known for designing and manufacturing consumer electronics, software, and online services, including the iPhone, Mac, iPad, and App Store. Industry: Consumer Electronics & Software

Apple Inc currently has 3564 open roles on FindRole.

Listed pay typically runs $166,600–$277,600 across 2760 roles with salary data.

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TL;DR · Gate-level Noise (Signal Integrity) / STA CAD Engineer

As a Gate-level Noise (Signal Integrity) / STA CAD Engineer within the CAD group, you will support gate-level glitch noise and static timing analysis methodologies to ensure signal integrity and robustness for silicon across advanced technology nodes. Your daily responsibilities include developing and maintaining production CAD flows and scripts for noise and STA tools, from constraint setup through tapeout sign-off. You will perform root-cause analysis for crosstalk glitch and timing anomalies, execute tapeout ECO tasks, and assist with tool qualifications. You will utilize industry-standard tools like PrimeTime-SI and Tempus while employing Python, Tcl, and Perl for automation. The role involves managing noise margins, glitch thresholds, and standard cell library noise characterization to solve complex physical design convergence and timing closure problems for large SOC designs.

What you'll do

  • Develop and maintain production CAD flows and scripts for gate-level glitch noise and static timing analysis (STA).
  • Contribute to the development of sign-off methodologies, noise margins, and tool qualification strategies for advanced technology nodes.
  • Support glitch noise analysis, including threshold determination, propagation, and impact on functional integrity.
  • Perform root-cause analysis of crosstalk glitches and timing anomalies using automated triage workflows and AI-agent pipelines.
  • Execute noise and timing ECO methodologies to accelerate design convergence toward tapeout.
  • Participate in systematic tool qualifications by tracking QoR, performance, and correlation against golden baselines.
  • Author technical documentation and guidelines to share noise and STA best practices with the team.

What we're looking for

  • BS in Electrical Engineering, Computer Engineering, or a related technical discipline.
  • 3+ years of industry experience.
  • Background in gate-level signal integrity, specifically crosstalk glitch noise and static timing analysis (STA) (preferred).
  • Hands-on experience with industry-standard SI and STA tools like PrimeTime-SI or Tempus (preferred).
  • Experience with noise and timing sign-off on advanced process nodes (preferred).
  • Experience with noise and timing ECO flows and techniques for design closure (preferred).
  • Scripting and automation skills in Python, Tcl, and/or Perl (preferred).
  • Familiarity with standard cell library noise characterization or correlating gate-level models with SPICE simulations (preferred).

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