Physical Design Timing Engineer

ITAR Notice: This role involves access to ITAR-controlled information. Applicants must be U.S. persons (U.S. citizens, U.S. permanent residents, asylees, or refugees) per 22 CFR 120.62.

Own Full chip and Block timing methodologies and execution to-signoff of our AI accelerator silicon. Work with chip-design and software teams driving Density

AI's AI accelerator program from first silicon through scale-out.

• Own Full chip and Block timing methodologies and execution to-signoff of our AI accelerator silicon.
• Use and develop AI-assisted tool flows to accelerate physical design timing convergence and signoff timelines.

• Exceptional abilities across the full physical design flow (synthesis, place & route, CTS, signoff) with emphasis on timing flows and methodologies
• 10+ years of experience on very high performance designs at advanced technology nodes (7 nm or better) and 2.5 D/3 D timing flows
• Hands‑on with industry‑standard PD tools (Cadence Innovus, Synopsys Fusion Compiler, or equivalent) and signoff (Prime Time, Tempus, or equivalent)
• Demonstrated ability to work closely with architects, RTL designers, EDA vendors, and foundries to design and sign off complex chips
• Post silicon characterization and process targeting experience is highly desirable
• (Optional) Multi‑die packaging (CoWoS, 2.5 D / 3 D), thermal / IR / EM signoff, signal integrity, or DFT‑aware physical design

Base salary: $200k – $350k USD per year, depending on experience and qualifications. Final offers depend on level, location, and skills relevant to the role. Additional compensation: equity grant per company guidelines; medical / dental / vision; 401(k); standard PTO. Discussed in detail during the interview.

Density

AI sponsors qualified candidates for H-1B, O-1, TN, E-3, and other employment‑based visas, and we welcome applicants on F-1 OPT and STEM-OPT. Work authorization is required at start; we provide immigration support to secure or transfer status.

Aspects of this role may involve access to information subject to U.S. export controls (EAR/ITAR). We may discuss licensing or scope adjustments during the interview.

Density

AI is an Equal Opportunity Employer. We do not discriminate on the basis of race, color, religious creed, national origin, ancestry, physical or mental disability, medical condition, genetic information, marital status, sex, gender, gender identity, gender expression, age (40+), sexual orientation, military or veteran status, pregnancy, or any other status protected by law. We comply with the California CROWN Act and provide reasonable accommodations on request.