greenhouse
Semiconductor Test Engineer
Fractile
Bristol, GBR
Full-time
Mid · 5+ years experience
Onsite
Discovered 2 weeks ago
Advantest 93KTeradyneDFTscanATPGLBIST
Free
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Advantest 93KTeradyneDFT
Key Skills for This Role
Advantest 93KTeradyneDFTscanATPGLBIST
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Key Responsibilities
- Develop and maintain ATE test programs for an AI accelerator chip targeting high-volume manufacturing.
- Implement manufacturing test content for advanced CMOS designs including high-speed logic, SRAM, DRAM, and high speed IO blocks.
- Develop and debug structural and functional test content such as scan/ATPG, LBIST, MBIST, JTAG, and HSIO tests.
- Bring up first silicon on ATE, including pattern debug, tester correlation, shmooing, and corner analysis.
- Support testing of high-speed interfaces such as PCIe Gen6 and multi-GHz LPDDR, including at-speed tests and margining features.
- Execute silicon characterization and failure analysis to identify yield limiters and defect mechanisms.
- Optimize test coverage, test time, and cost while maintaining manufacturing robustness.
- Work with DFT and design teams to improve testability and close coverage gaps.
- Collaborate with OSATs and external partners on test program execution and debug.
- Support advanced packaging test flows, including die-to-die interconnect testing and package-level thermal considerations.
- Contribute to documentation of test programs, debug procedures, and manufacturing release materials. •
- Support qualification, reliability testing, and high-volume manufacturing ramp.
Required Qualifications
- 5+ years of hands-on semiconductor test engineering experience.
- Strong experience developing ATE test programs (Advantest 93K, Teradyne, or equivalent).
- Solid understanding of DFT methodologies (scan, ATPG, MBIST, LBIST) and memory test techniques.
- Experience debugging silicon issues at the tester and correlating failures to design or process causes.
- Familiarity with advanced CMOS nodes and production test challenges.
- Ability to work effectively in a cross-functional engineering environment.
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