DFT Staff Engineer

Job Summary A DFT Staff Engineer is responsible for designing, implementing, and signing off Design-for-Test (DFT) architecture for complex SoCs/IPs. The role ensures that semiconductor designs are testable, high-quality, and manufacturable while balancing coverage, performance, power, and cost. Key Responsibilities 1. DFT Architecture & Strategy Define and implement DFT architecture at block/IP or SoC level. Specify test methodologies (scan, MBIST, boundary scan, compression). Ensure testability is built early into the RTL design flow. Balance trade-offs between coverage, area, power, and test time. 2. DFT Implementation Perform scan insertion and stitching. Generate and simulate ATPG patterns. Integrate MBIST / LBIST / boundary scan. Develop and validate DFT timing constraints (STA). Execute DFT flows at RTL and gate level. 3. Test Coverage & Quality Analyze and improve fault coverage. Debug scan/ATPG issues and resolve coverage holes. Optimize pattern count, test cost, and test time. 4. Verification & Signoff Run DFT verification and DRC checks. Ensure clean DFT signoff, including coverage, timing, and power impact. Validate patterns using simulation and test tools. Support DFT integration guidelines at SoC level. 5. Cross-Functional Collaboration Work with RTL Design, Physical Design (PD), Verification, and Test Engineering / ATE. Drive issue resolution across teams and ensure end-to-end execution of DFT flows. 6. Silicon Bring-up & Debug Support post-silicon debug and yield improvement. Debug tester failures and improve manufacturing coverage. Assist customer or product teams during bring-up. Required Skills & Expertise Core Technical Skills Strong expertise in scan insertion and compression, ATPG and fault models, MBIST / LBIST, JTAG / Boundary Scan (IEEE 1149.1), RTL design and verification, STA and timing closure, and SoC design flow. Familiarity with tools such as Synopsys / Cadence / Siemens tools (e.g., TestMAX, Tessent, Modus), simulation tools (VCS, etc.), and scripting languages (TCL, Python, Perl) is essential. A BSEE/MSEE or equivalent is typically required, along with proven experience in end-to-end DFT implementation and debugging.

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