sumit raj

Director of Engineering

Bengaluru, Karnataka, India15 yrs experience
Most Likely To SwitchHighly Stable

Key Highlights

  • Expert in DFT and ATPG methodologies.
  • Proven track record in silicon debug and verification.
  • Strong leadership in managing engineering teams.
Stackforce AI infers this person is a semiconductor engineering expert with a focus on DFT and silicon verification.

Contact

Skills

Core Skills

DftAtpgSilicon DebugPattern GenerationSimulation DebugLbistScan Insertion

Other Skills

ARMATPG testingApplication-Specific Integrated Circuits (ASIC)Automatic Test Pattern Generation (ATPG)BISTCompilersComputer ArchitectureEmbedded SystemsIntegrated Circuit DesignJTAGLogic SynthesisModelSimPythonRTL DesignSPI

About

Dedicated and excel with time in any given task from coding to cooking.

Experience

15 yrs
Total Experience
5 yrs
Average Tenure
5 yrs 3 mos
Current Experience

Nvidia

4 roles

Hardware Engineering Manager

Promoted

Mar 2025Present · 1 yr 3 mos · Bengaluru, Karnataka, India

  • Managing team of DFT scan insertion, DFT libs, Array DFT, ATPG
DFTATPGBIST

DFT lead

Mar 2021Mar 2025 · 4 yrs · Bengaluru, Karnataka, India

sr DFT engg

Jul 2016Feb 2020 · 3 yrs 7 mos

  • Worked on :
  • TestPlan creation & competition for Scan new feature of testing chip through PCIE. Leading a team of 8 member.
  • Gate level Simulation debug methodology : working on debug of atpg vector comparison between vcs vs tetramax.
  • System level ATPG vector testing via PCIE link : (RTL, Gate level, Intest and Extest pattern verification)
  • Extest ATPG pattern conversion from STIL to system level format.
  • DFTMAX ultra compression architecture understanding and pattern generation
  • Leading ATPG DFT effort for System level Testing for GPU chips
  • DFT LBIST Bring up done of LBIST pattern on system board
  • LBIST testing for automotive chips - verification
  • Translating STIL patterns from tetramax into specific format for automotive chips
  • In system verification at full chip level for lbist patterns
TestPlan creationSimulation debugATPG testingATPG

Sr. DFT Engineer in ASIC

Jun 2011Jul 2016 · 5 yrs 1 mo

  • Worked on :
  • In system testing/Verification of LBIST IP in verilog/system verilog
  • xLBIST pattern verification
  • Coverage and analysis of atpg patterns for SoC
  • Developed verification setup for verifying all the scan modes by Tetramax & VCS simulation
  • Synopsys new scan compression 1500 design - clock design to support all modes of scan.
  • Synthesis of DFT clock design using design compiler - synopsys tool.
  • Fast scan mode for part of GPU chips - Tetramax and vcs simulation
  • ATPG Pattern generation and verification in FTM mode for GPU chips
  • Scan Insertion for mobile SoC of 16nm
  • Tetramax and coverage
  • IEEE 1500 Jtag
  • Mbist instertion - BIST logic generation
  • Scan debug - verification
  • Jtag and DFT clock verification
  • ATPG and coverage analysis,
  • Tcl, Perl scripting.
  • Tools learn - Tetramax, VCS compiler, Verdi, DC compiler, Primtime timing tool,
LBISTScan InsertionJTAG

Qualcomm

Staff Engineer

Feb 2020Mar 2021 · 1 yr 1 mo · Bengaluru Area, India

  • Automotive chips Silicon debug - Challenging task to root cause failure on Silicon
  • Diagnostic flow - worked on different kind of silicon debug pattern genearationa and verification
  • mapping of patterns from Tetramax compressed to Mentor tk serial pattern
  • Parallel & serial sims debug
  • Optimizing parallel sims run time by 15x in timing sims and 3x in zero delay sims
  • RTL designing for automotive chips in collaboration with synopsys
Silicon debugPattern generationVerification

Education

IIIT Hyderabad

Masters in Research — VLSI

Jan 2010Jan 2011

Nanyang Technological University Singapore

Internship — Semiconductor Manufacturing Technology

IIIT Hyderabad

B Tech — ECE

Jan 2006Jan 2010

science college, patna

10+2 — maths

Jan 2003Jan 2005

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