Senior Signal & Power Integrity Engineer

Job Title: Senior Signal & Power Integrity Engineer

Job ID: 183100

Position Type: Full Time Location: Redmond, WA - Onsite Role Overview

Key Responsibilities: Own the Signal Integrity and Power Integrity requirements for cryogenic ASICs, packages, PCBs, connectors, and cables. Model and simulate end-to-end high-speed channels, including transceivers, IC packages, PCBs, cross-board connectors, and cables. Perform time-domain and frequency-domain SI/PI analysis using SPICE and full-wave electromagnetic simulation methodologies. Analyze link quality, including insertion loss, return loss/reflection, crosstalk, impedance, and other signal degradation mechanisms. Identify and resolve SI issues across transition structures, including die bumps, package BGA, PCB, connectors, and cables. Perform Power Delivery Network (PDN) analysis and optimization. Interpret simulation results and provide design guidelines for PCB materials, stack-up, transmission-line routing, component placement, and layout optimization. Define best practices, simulation workflows, test methodologies, signoff criteria, and lab equipment requirements for SI/PI.Evaluate package and interconnect performance and support advanced packaging architectures. Work closely with multidisciplinary teams, including ASIC designers, electrical engineers, package engineers, PCB designers, and hardware measurement engineers, to optimize overall system performance. Support SI/PI debugging, root-cause analysis, and hardware validation.

Preferred Qualifications: 6+ years of experience in Signal Integrity and Power Integrity, including designing, implementing, and debugging Power Delivery Networks for large processors, FPGAs, SoCs, or ASICs with complex power requirements. Experience with analog electronic circuit design. Knowledge of on-chip power analysis flows, including tools such as PrimeTime PX (PTPX), RedHawk, and Voltus. Understanding of SoC physical design, including floorplanning and power delivery. Experience with scripting and automation using Python and Bash. Experience debugging and resolving EMI/EMC and de-sense issues. Experience with IC packaging in extreme environments and/or cryogenic temperatures. Strong technical documentation and report-writing skills. Strong communication and cross-functional collaboration skills. Experience mentoring engineers or providing technical guidance across teams. Ability to work effectively in a rapidly evolving research and hardware development environment. Pay and Benefits Pay Range Minimum: $95000/Year Pay Range Maximum: $192000/Year HCLTech is an equal opportunity employer, committed to providing equal employment opportunities to all applicants and employees regardless of race, religion, sex, color, age, national origin, pregnancy, sexual orientation, physical disability or genetic information, military or veteran status, or any other protected classification, in accordance with federal, state, and/or local law. Should any applicant have concerns about discrimination in the hiring process, they should provide a detailed report of those concerns to secure@hcltech.com for investigation. A candidate’s pay within the range will depend on their skills, experience, education, and other factors permitted by law. This role may also be eligible for performance-based bonuses subject to company policies. In addition, this role is eligible for the following benefits subject to company policies: medical, dental, vision, pharmacy, life, accidental death & dismemberment, and disability insurance; employee assistance program; 401(k) retirement plan; 10 days of paid time off per year (some positions are eligible for need-based leave with no designated number of leave days per year); and 10 paid holidays per year How You’ll GrowAt HCLTech, we offer continuous opportunities for you to find your spark and grow with us. We want you to be happy and satisfied with your role and to really learn what type of work sparks your brilliance the best. Throughout your time with us, we offer transparent communication with senior-level employees, learning and career development programs at every level, and opportunities to experiment in different roles or even pivot industries. We believe that you should be in control of your career with unlimited opportunities to find the role that fits you best.