Senior/Principal DFT Engineer

Senior / Principal DFT Engineer

Key Responsibilities

• Own and define the DFT architecture for a large AI accelerator SoC (scan, compression, MBIST, LBIST, boundary scan)
• Set DFT strategy, methodology, flow and signoff criteria
• Drive integration of DFT tools and flows into the overall EDA environment
• Define hierarchical DFT approach for multi-core designs and large memory systems
• Define scan architecture, compression strategy, and ATPG approach
• Define memory test and repair strategy for large embedded RAM
• Establish power-aware and at-speed test strategies
• Work closely with RTL and physical design to ensure clean DFT integration and timing closure
• Work with test and product engineering teams to bring up and debug ATPG patterns on ATE, supporting production test and yield ramp
• Mentor and guide DFT engineers

Required Experience

• Strong experience in DFT for complex ASIC/SoC designs (typically 8+ years)
• Proven ownership of DFT architecture on at least one large tapeout
• Deep expertise in scan, compression, ATPG, and MBIST
• Experience with industry tools (Synopsys or Tessent)
• Strong understanding of clocking, resets, power domains, and physical constraints
• Experience with silicon bring-up, debug, and yield ramp

Profile

• Comfortable owning ambiguous, high-impact problems
• Balances architectural thinking with hands-on execution
• Sets direction while staying close to implementation details

What We Offer

• Competitive salary: A competitive salary reflective of your experience and the specialist nature of the role.
• Equity & Ownership: meaningful equity so everyone shares in the value creation.
• Benefits: Private Medical, Dental and Vision, Contributory Pension, 25 Days holiday plus bank holidays and Life/Critical Illness Insurance.
• Diverse & fun office: we believe the hardest problems get solved by the broadest range of minds. We are committed to Equal Employment Opportunity through attracting and retaining a diverse team and building an inclusive environment.

Fractile is seeking to increase the clock speed of global progress, one chip at a time. We’ve recently raised $220M from investors including Founders Fund and Accel and our most important work lies ahead. Join us!