Top-Level Physical Design Engineer (AI)

Location: On-site in San Jose, Santana Row. Relocation support is available for candidates moving to San Jose.

Salary: $200,000–$300,000 per year plus significant equity

Company

hirify.global develops AI hardware, chips, racks, software, and manufacturing systems for high-throughput, low-latency frontier inference clusters.

What you will do

• Own full-chip physical implementation from synthesis through GDSII completion, including floorplanning, placement and routing, clocking, timing analysis, physical verification, and sign-off.
• Manage full-chip clocking across all PVT corners and modes and drive MMMC timing closure.
• Define timing constraints and hierarchical timing budgets between the top level and blocks.
• Drive functional and timing ECO closure and achieve final timing sign-off for tapeout.
• Own physical verification closure across block, subsystem, and full-chip levels, covering DRC, LVS, ERC, antenna, density, fill, and top-level integration.
• Debug and fix complex layout and routing violations in Innovus while building a repeatable, tapeout-ready verification methodology.

Requirements

• 10+ years of experience with chip planning, top-level physical design, and floorplanning.
• Experience with top-level and full-chip closure on advanced process nodes, including 5nm and below.
• Experience with Cadence Innovus and Genus or Synopsys Fusion Compiler RTL-to-GDSII flows.
• Experience with Synopsys PrimeTime and Cadence Tempus for timing sign-off.
• Experience with Pegasus or Calibre for physical verification sign-off.
• Experience with hierarchical timing budgeting, constraint management, ECO closure, top-level assembly, routing, and layout fixes.

Nice to have

• Familiarity with modern ML and LLM model architectures.
• Python or another scripting language.
• Experience with AI tools for programming and coding.
• Startup experience or comfort working in fast-paced environments.

Culture & Benefits

• Fully in-person work with collaboration across engineering and research disciplines.
• Medical, dental, and vision coverage, plus a $500 monthly credit for waiving medical benefits.
• $2,000 monthly housing subsidy for employees living within walking distance of the office.
• Relocation support for moving to San Jose.
• Wellness benefits, daily office lunch and dinner, and an unlimited compute budget subject to ROI justification.