Staff Signal Integrity and Power Integrity Engineer (SI/PI)

Job description

Job responsibilities

• Lead the SI/PI architecture and define constraints for next-generation, high-complexity, high-density printed circuit boards (PCBs) and overall system design.
• Collaborate at an architectural level with hardware design, silicon vendors, PCB layout, and mechanical engineering teams to define layer stack-ups, routing strategies, component placement, and power delivery…
• Analyze, optimize, and sign off on advanced high-speed serial links (PCIe, Ethernet, MIPI, GMSL) and memory interfaces (LPDDR).
• Provide expert-level design guidance and validation for automotive-specific communication and audio protocols (A2B).
• Architect and conduct comprehensive Power Delivery Network (PDN) analysis, including DC IR drop, AC impedance modeling, and transient response analysis to ensure stable power delivery across complex multi-board systems.
• Drive the development of advanced SI/PI routing rules, simulation methodologies, automation scripts, and sign-off processes for the hardware engineering department.
• Tackle the most complex, unprecedented signal and power integrity challenges, performing hands-on root-cause analysis, lab measurements, and correlating simulation models with real-world testing.
• Act as a technical mentor and subject matter expert, elevating the SI/PI capabilities of the entire hardware organization and guiding junior to senior engineers.

Job requirements

• Bachelor’s, Master’s, or Ph.D. in Electrical Engineering, Computer Engineering, Physics, or a closely related technical field.
• 10+ years of proven industry experience in signal and power integrity analysis for complex high-speed digital designs.
• Extensive, proven track record designing, simulating, and troubleshooting high-speed interfaces, specifically PCIe, multi-gigabit Ethernet, MIPI (CSI/DSI), and GMSL , through multiple successful product lifecycles.
• Deep expertise in memory interface design and simulation, with a strong focus on advanced LPDDR technologies.
• Familiarity with automotive audio and sensor bus protocols, such as A2B .
• Advanced proficiency with industry-standard 2D/3D electromagnetic extraction and SI/PI simulation tools (e.g., Ansys HFSS/SIwave, Keysight ADS, Cadence Sigrity, or Siemens EDA/HyperLynx).
• Mastery of electromagnetics, transmission line theory, cross-talk, jitter, and advanced PDN design principles.
• Expert-level hands-on experience with high-speed lab characterization equipment, including Vector Network Analyzers (VNAs), Time-Domain Reflectometers (TDRs), and high-bandwidth oscilloscopes.