STA & Timing Methodology Engineer (Senior Staff)

undefined ago • 8-12 Years • Software Development & Engineering

Job Summary

Job Description

Alphawave Semi is seeking a Senior Staff STA & Timing Methodology Engineer to accelerate critical data communication. This role involves owning STA sign-off for complex ASICs/SoCs, driving MCMM timing closure, and defining timing methodologies. The engineer will build robust SDC constraints, lead timing closure with PD & synthesis teams, and automate workflows using Python/Tcl. A key aspect is partnering cross-functionally and continuously improving methodologies, especially with AI-assisted flows. The position requires expertise in STA depth, tool proficiency, strong automation skills, and an AI mindset.
Must have:
  • Own STA sign-off for complex ASICs/SoCs, driving MCMM timing closure.
  • Define MMMC views, library/RC corner strategy, and OCV/AOCV/POCV/LVF derates.
  • Build bullet-proof SDC constraints including clocks, exceptions, and hierarchical constraints.
  • Lead timing closure with PD & synthesis, crafting ECO strategies.
  • Develop Python/Tcl tools for constraint generation, report parsing, and regressions.
  • Introduce and productionize AI/agent workflows for violation triage and ECO recommendations.
  • Partner cross-functionally with RTL, PD, AMS, DFT, and verification teams.
  • Guide equivalence and ECOs using FM/LEC.
  • Lead and mentor a small team of STA engineers.
  • Continuously improve methodology, especially around AI-assisted flows.
Good to have:
  • Experience with UPF/CPF low-power timing, IR/EM-aware timing, statistical/SSTA concepts, and LVF sigma usage.
  • Mixed-signal/PHY boundary timing (e.g., DDR, PCIe, SerDes).
  • Data pipeline skills (dashboards, databases) and/or scaling regressions on cloud/HPC.
Perks:
  • Flexible work environment
  • Comprehensive health plan
  • Health Spending Account (HSA)
  • Wellness Spending Account (WSA)
  • Employee Assistance Program (EAP)
  • Paid Vacation
  • Paid Holidays
  • Parental Leave Top-Up Program

Job Details

The Opportunity

We're looking for the Wavemakers of tomorrow.

Alphawave Semi enables tomorrow’s future by accelerating the critical data communication at the heart of our digital world – from seamless video streaming to AI to the metaverse and much more. Our technology powers product innovation in the most data-demanding industries today, including data centers, networking, storage, artificial intelligence, 5G wireless infrastructure, and autonomous vehicles. Customers partner with us for mission-critical data communication, our innovative technologies, and our proven track record. Together, we enable the next generation of digital technology.

What you’ll do

  • Own STA sign-off for complex ASICs/SoCs: drive MCMM timing closure across all PVT corners and modes (functional & test), meeting performance, power, and schedule targets.
  • Set the timing methodology: define MMMC views, library/RC corner strategy, OCV/AOCV/POCV/LVF derates, CPPR, PBA vs GBA usage, SI/crosstalk/noise handling, waveform propagation, and aging/IR-aware considerations.
  • Build bullet-proof constraints (SDC): clocks & generated clocks, clock groups, exceptions (false/multicycle/min/max), interface and hierarchical constraints, and low-power/UPF mode handling.
  • Lead timing closure with PD & synthesis: craft ECO strategies (sizing, buffering, Vt swaps, useful skew), align CTS/route levers with clear QoR targets, and validate with path-based analysis.
  • Automate at scale: develop Python/Tcl tools for constraint generation/validation, report parsing, dashboards, and regressions; introduce and productionize AI/agent workflows to triage violations, classify root-causes, and recommend ECOs.
  • Partner cross-functionally with RTL, PD, AMS, DFT, and verification teams to resolve issues at digital/analog boundaries and in test modes.
  • Guide equivalence & ECOs: use FM/LEC to validate synthesis and post-ECO logic changes.
  • Lead & mentor a small team of STA engineers; run reviews, establish best practices/checklists, and communicate status, risks, and decisions to stakeholders and leadership.
  • Continuously improve: track tool/foundry/industry advances and evolve our methodology—especially around AI-assisted flows.

What you’ll need

  • BS/MS in EE/CE (or equivalent).
  • 8–12+ years owning STA sign-off and timing closure on large, advanced-node ASICs/SoCs.
  • Expert STA depth:
  • SDC authoring and hierarchical STA for MCMM sign-off
  • Variation & derates (OCV/AOCV/POCV, LVF), CPPR, PBA, SI/crosstalk/noise
  • Clocking/CTS constraints, CDC interfaces, test/scan mode timing
  • Hands-on ECO closure with strong understanding of PnR levers
  • Tool proficiency: PrimeTime and/or Tempus; exposure to synthesis (Design Compiler/Fusion) and PnR (Innovus/ICC2) environments.
  • Strong automation skills: Tcl and Python for robust, maintainable flow tooling and data analysis.
  • AI mindset: demonstrable enthusiasm for—ideally experience with—integrating LLM/agent-based tools into EDA flows (e.g., violation triage, log intelligence, fix suggestions, experiment tracking).
  • Communication & leadership: ability to mentor, influence across functions, and present complex findings clearly.

Nice to have

  • Experience with UPF/CPF low-power timing, IR/EM-aware timing, statistical/SSTA concepts, and LVF sigma usage.
  • Mixed-signal/PHY boundary timing (e.g., DDR, PCIe, SerDes).
  • Data pipeline skills (dashboards, databases) and/or scaling regressions on cloud/HPC.

We have a flexible work environment to support and help employees thrive in personal and professional capacities.

You’ll also be eligible for competitive benefits described as per below:

Health & Wellness

Our programs emphasize knowledge and prevention, helping you stay proactive and prepared to manage your health at every stage.

  • Comprehensive health plan
  • Health Spending Account (HSA)
  • Wellness Spending Account (WSA)
  • Employee Assistance Program (EAP)​

Time Off

We value the importance of rest and recharge, which is why we offer flexible time off options to support your well-being.

  • Paid Vacation
  • Paid Holidays
  • Parental Leave Top-Up Program

Equal Employment Opportunity Statement

Alphawave Semi is an equal opportunity employer, welcoming all applicants regardless of age, gender, race, disability, or other protected characteristics. We value diversity and provide accommodations during the recruitment process.

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About The Company

Alphawave Semi enables tomorrow’s future by accelerating the critical data communication at the heart of our digital world – from seamless video streaming to AI to the metaverse and much more. Our technology powers product innovation in the most data demanding industries today including data centers, networking, storage, artificial intelligence, 5G wireless infrastructure, and autonomous vehicles. Customers partner with us for mission critical data communication, our innovative technologies, and proven track record.

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