Lead STA Engineer

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Job Description:

In this role, the Engineer will apply and lead Broadcom's proven design methodology and milestone flow to meet rigorous criteria for achieving Right-First-Time silicon. The STA Engineer is responsible for ensuring robust timing closure and signoff readiness for block- and full-chip designs across all modes and corners. This role owns timing constraint development and validation, performs detailed setup/hold and variation-aware analysis, and partners closely with Synthesis, CTS, Physical Design, and Design teams to debug violations and drive ECO-based optimizations through tape out.

Responsibilities include, but are not limited to:

  - Perform full-chip and block-level Static Timing Analysis (STA) across all modes and corners.
  - Analyze and debug setup, hold, recovery, removal, clock gating, and signal integrity-related timing violations.
  - Work closely with Physical Design, Synthesis, CTS, and Design teams to achieve timing closure.
  - Develop and maintain timing constraints including SDC creation, validation, and signoff readiness.
  - Drive timing closure through ECO implementation and timing optimization.
  - Analyze timing impact due to process, voltage, and temperature variations.
  - Support timing signoff for pre-layout and post-layout stages.
  - Perform cross-functional reviews for timing convergence and provide recommendations.
  - Generate timing reports and communicate closure status to project stakeholders.

Minimum Qualifications:

  - 15+ years of experience in Static Timing Analysis (STA) and timing closure for block and/or full-chip designs.
  - Strong understanding of CMOS fundamentals, timing concepts, and semiconductor design flow.
  - Hands-on experience in setup/hold analysis, path-based analysis, OCV/AOCV/POCV, derates, and MMMC concepts.
  - Good understanding of clock tree, clock uncertainty, latency, skew, and jitter.
  - Expertise in timing constraints development and debugging.
  - Strong knowledge of SDC, timing exceptions, false paths, multicycle paths, and case analysis.
  - Experience with timing closure techniques and ECO methodologies.
  - Hands-on experience with industry-standard STA tools such as Synopsys PrimeTime or Cadence Tempus.
  - Good scripting skills in Tcl, Perl, or Python. Exposure to automation and flow development.
  - Ability to analyze and resolve timing violations independently.
  - Experience in low-power timing analysis and UPF/CPF-aware STA.
  - Expertise with SI-aware timing, Crosstalk analysis, and IR-drop-aware timing closure.
  - Good knowledge of advanced technology nodes and variation-aware signoff methodologies.
  - Experience in collaborating cross-functionally with PD, RTL, and Signoff teams.

Broadcom is proud to be an equal opportunity employer.  We will consider qualified applicants without regard to race, color, creed, religion, sex, sexual orientation, national origin, citizenship, disability status, medical condition, pregnancy, protected veteran status or any other characteristic protected by federal, state, or local law.  We will also consider qualified applicants with arrest and conviction records consistent with local law.

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