Sr Principal Engineer -SIPI (SI/PI)

Location: San Jose, California, United States

Annual salary: $154,000–$286,000 for California, plus potential incentive compensation, bonus, equity, and benefits.

Company

hirify.global Design Systems develops technology and advanced high-speed IP products for the semiconductor industry.

What you will do

• Optimize and verify SI/PI performance for test-chip package designs and evaluation boards.
• Provide extracted and measured channel models to chip designers in the R&D team.
• Develop package and PCB SI/PI design guidelines and support customers with SI/PI inquiries.
• Review customer package and board designs and simulation results, providing feedback to optimize IP performance in ASICs.
• Run link-performance simulations using S-parameter channel models and IBIS-AMI behavioral models.
• Debug SI/PI issues in test chips and customer ASICs in the laboratory.

Requirements

• M.S. or Ph.D. in Electrical Engineering or a similar field.
• 3+ years of experience, preferably working with high-speed SerDes and PHYs.
• Good understanding of high-speed SerDes architecture.
• Hands-on laboratory experience with high-speed oscilloscopes, TDRs, VNAs, spectrum analyzers, and similar instruments.
• Fluency with 3D and 2.5D extraction tools such as Sigrity Clarity, PowerSI, Ansys HFSS, or SIwave.
• Experience with IBIS-AMI model simulations and correlating simulation results with laboratory measurements.
• Good understanding of PCB and FCBGA design rules and requirements.
• Strong debugging, problem-solving, communication, and presentation skills, including the ability to communicate effectively with customers and internal stakeholders.
• Fluent English communication skills.

Culture & Benefits

• Hands-on technical role within the HPP IP R&D Group.
• Opportunity to contribute to advanced high-speed IP products and customer-facing technical work.
• Paid vacation and paid holidays.
• 401(k) plan with employer match.
• Employee stock purchase plan.
• Medical, dental, and vision plan options.