Principal Signal Integrity & Hardware Systems Engineer (PCIe Gen

We are seeking an experienced Principal Signal Integrity & Hardware Systems Engineer to lead design and verification of high-performance digital hardware with a focus on PCIe Gen5/Gen6 and 25Gbps+ SerDes interfaces. The role combines advanced signal and power integrity analysis, reference board and PCB design guidance, EM/field simulation, and hands-on lab validation to ensure robust system-level performance. You will drive architecture decisions, mentor engineers, and collaborate across cross-functional teams to deliver scalable, manufacturable solutions for next-generation products., * Lead signal integrity (SI) and hardware systems engineering efforts for PCIe Gen5/Gen6 and other high-speed SerDes interfaces, driving architecture choices, budgeting, and tradeoffs.

• Own reference board and PCB design best practices: define stackups, routing topologies, connector/cable interfaces, and layout constraints for high-speed channels.
• Perform detailed SI and PI analysis using tools such as Cadence Sigrity, SIsoft, Ansys HFSS, and other EM solvers to model channel loss, crosstalk, reflections, and package effects.
• Develop and run channel and link-level simulations (IBIS-AMI, eye, BER, jitter/power-aware analyses) to validate compliance with PCIe and other protocol margins.
• Lead power integrity (PI) analysis and decoupling strategies to minimize supply noise impact on SerDes and system timing.
• Create EM models of packages, connectors, and PCBs, and use them to inform design changes to improve signal fidelity and EMC performance.
• Plan and execute lab validation: setup and run TDR/TDT, VNA, high-speed oscilloscope, BERT, and related measurements for debug and release verification.
• Collaborate closely with board layout teams, package engineers, firmware, system architects, and manufacturing to resolve signal and hardware issues from pre-silicon through production.
• Mentor and coach other engineers, establish SI/PI processes and checklists, and drive knowledge sharing across the organization.
• Support supplier and partner engagements, including reviewing third-party PCB stackups, evaluating test fixtures, and providing technical direction for prototypes and NPI runs.

Do you have experience in Thermal analysis?, Do you have a Master’s degree?, Requirements: Signal Integrity, PCIe (Gen5/6), High-Speed SerDes, PCB Design, Power Integrity (PI) Analysis, Sigrity / Ansys HFSS, Reference Board Design, EM Modeling & Simulation, * Bachelors or Masters degree in Electrical Engineering or related field; PhD preferred but not required.

• 5+ years of hands-on experience in signal integrity, hardware systems, and high-speed digital design with demonstrated leadership on complex products.
• Proven experience designing and validating PCIe Gen5 and/or Gen6 links and related SerDes interfaces (protocol compliance and link margining).
• Strong PCB and reference board design background, including stackup definition, controlled impedance routing, and connector/cable integration.
• Proficiency with SI/PI and EM tools such as Cadence Sigrity, SiSoft, Ansys HFSS, Keysight ADS, or similar simulation suites.
• Expertise in IBIS-AMI modeling, channel simulation, BER/eye analysis, and jitter decomposition techniques.
• Experience with power integrity analysis and decoupling strategies for high-speed digital systems.
• Hands-on lab experience with high-speed test equipment (oscilloscopes, VNAs, TDRs, BERTs) and troubleshooting methodologies.
• Experience with EM/package modeling, signal/power co-simulation, and thermal/EM-aware system trade-offs.
• Strong scripting and data-analysis skills (Python, MATLAB, or similar) to automate simulations and post-process results.
• Excellent communication and cross-functional collaboration skills; experience mentoring engineers and defining engineering processes.
• Ability to manage multiple projects, prioritize technical risks, and deliver to schedule in a fast-paced environment.

Pulled from the full job description

• Employee stock purchase plan
• 401(k)
• Health insurance
• Paid time off
• Vision insurance
• Dental insurance
• Life insurance, * Comprehensive medical, dental, and vision plans
• Life insurance and disability plan options
• 401(k)
• RSUs
• ESPP
• Paid company-selected holidays & floating holidays
• PTO - generous time off programs
• Career growth opportunities