Senior Substrate Layout Design engineer - 176158

Piper Companies is seeking a Senior Substrate Layout Designer who will be responsible for leading the design of advanced multi-die substrate packages. The layout designer will be onsite 5 days a week in Saratoga, CA or remote working Pacific coast time hours. Responsibilities for the Substrate Layout Designer include: Lead the end-to-end physical layout of high-density, multi-die substrate design.Design and optimize bump maps, breakout routing, via structures, and layer stack-ups.Collaborate with ASIC, signal integrity, and power teams to ensure clean escape routing and breakout strategiesEvaluate routing feasibility in co-design environments, considering die floorplans and mechanical constraints.Drive DRC, DFM, and manufacturing rule checks to ensure fabrication readiness.Interface with substrate vendors and OSATs for tape-out and manufacturability validation.Conduct technical reviews and iterate on layout improvements with internal and external stakeholders Requirements for the Substrate Layout Designer include: 6 - 8+ years of experience in substrate layout design for high-performance IC packagingProven experience expertise in organic substrate design from silicon to BGADeep understanding of chiplet-based, multi-die, and advanced packaging (FPGA, CPU, CPU, MCM, CoWoS)Strong collaboration skills with ASIC, signal, and power teamsProficiency in Cadence Allegro APD, AutoCAD, or Siemens Xpedition.Experience working with OSATs and substrate suppliesBachelor’s degree in Electrical Engineering or equivalent experience. Compensation for the Substrate Layout Designer includes: Salary range: $230,000 - $270,000Comprehensive benefits: Medical, Dental, Vision, 401k, PTO, holidays, and sick leave as required by law. Keywords: Substrate layout, substrate, package substrate design, multi-die packaging, chiplet integration, CoWoS, MCM, BGA, FPGA, CPU, GPU, High-density interconnect, escape routing, signal integrity, power integrity, organic substrate, substrate tape-out, substrate DRC, cadence allegro APD, autocad, cadence SiP layout, EDA tools, Layout verification tools, ASIC, OSAT, mechanical co-design, floorplanning, design reviews This job is open for applications on 10/16/2026. Applications for this job will be accepted for at least 30 days from the posting date.