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Senior MTS/Principal Characterization Engineer

Efinix Inc

RTL / HDLFirmwareFPGAPosted Oct 20, 2026
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Skills named in this posting

  • PCIe
  • DDR / HBM
  • Ethernet
  • Python
Senior MTS/Principal Characterization Engineer Location: Penang, Malaysia We are seeking an experienced Post-Silicon Characterization Engineer to lead silicon characterization for FPGA products. The Engineer will drive characterization projects from planning and silicon bring-up through PVT testing, data analysis, debugging, technical review, and closure. The role requires strong hands-on lab skills, technical judgment, and effective collaboration with Design, Software, Applications, and Quality teams. Responsibilities: • Develop and execute comprehensive post-silicon characterization plans across process, voltage, and temperature (PVT). • Lead characterization projects from initial silicon checkout through final report and product readiness. • Characterize and validate FPGA high-speed interfaces such as: PCIe Gen5, 25G Ethernet, LPDDR5/5x • Perform electrical and timing measurements such as: Eye diagram and jitter analysis BER and link-margin testing Timing and frequency margin characterization • Debug silicon, RTL, firmware, board, and test-setup issues. • Correlate bench results with simulation, design expectations, and product specifications. • Use statistical methods to analyze silicon variation, margin, capability, and outliers. • Provide clear technical conclusions, risk assessments, and recommendations to project stakeholders. • Work closely with Design, Product Engineering, Test, Application, Package, Board, and Quality teams to drive issue resolution. • Mentor junior engineers and provide technical guidance during test planning, debugging, and data review. • Support external laboratory, equipment vendor, board vendor, and socket vendor coordination when required. • Prepare and present characterization results during technical and management reviews. Qualifications: • Bachelor’s or Master’s Degree in Electrical / Electronics Engineering or related field. • 15+ years’ experience in FPGA post-silicon validation or characterization, or high-speed interface testing. • Experience in at least one major high-speed or memory protocol (PCIe, DDR, MIPI, Ethernet, etc.). • Hands-on experience with lab equipment (BERT, high-bandwidth oscilloscopes, VNA, power supply, pulse generator, etc.). • Proficiency in Python or similar scripting for automation. • Ability to interpret schematics, datasheets, S-parameters, and simulation results. • Strong analytical thinking and structured documentation practices. • Experience leading validation efforts or mentoring junior engineers. • Automotive-grade validation experience (AEC-Q100) is a plus.

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Original posting: efinixinc.com

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RISC-V ecosystem

Efinix Inc in the RISC-V ecosystem

RISC-V International: Strategic

Our mission is to drive the future of edge computing w/our Trion® FPGA silicon platform.

  • FPGA vendor promoting RISC-V SoCs on its devices ("RISC-V SoCs: Powering Embedded Computing")
  • RISC-V soft cores used across its Trion/Titanium FPGA product lines

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