Principal Post-Silicon Validation Engineer (PCIe)

Location: San Jose, California, United States

Salary: $207,000–$230,000 per year, depending on experience, level, and business need. The role may also be eligible for discretionary bonus, incentives, and benefits.

Company

hirify.global provides rack-scale AI infrastructure through semiconductor-based connectivity solutions and software for CXL, Ethernet, NVLink, PCIe, and UALink systems.

What you will do

• Architect and drive end-to-end post-silicon validation plans from first-silicon bring-up through characterization and production release.
• Define test strategies, coverage goals, and exit criteria with design, architecture, and product teams.
• Lead laboratory bring-up of new silicon, including board, firmware, and software readiness.
• Debug silicon, firmware, and system-level failures across the hardware/software boundary and drive issues to root cause.
• Characterize high-speed serial links, including margining, signal integrity, and compliance across process, voltage, and temperature.
• Build validation automation, lab infrastructure, test benches, and data-analysis flows; mentor engineers and collaborate with customers and Field Applications Engineers.

Requirements

• Bachelor's degree in Electrical Engineering, Computer Engineering, or a related field.
• 8–12 years of experience in post-silicon validation, silicon bring-up, or hardware characterization.
• Hands-on experience with high-speed serial interfaces such as PCIe and strong understanding of the physical layer.
• Proficiency with laboratory equipment, including oscilloscopes, BERTs, protocol analyzers, and power supplies.
• Strong scripting and programming skills in Python and/or C/C++ for test automation.
• Proven ability to debug complex hardware and firmware issues to root cause.

Nice to have

• Master's degree or PhD in Electrical Engineering, Computer Engineering, or a related field.
• Experience with PCIe Gen 5 or Gen 6, Ethernet, or retimer products.
• Experience with SerDes characterization, equalization tuning, and link margining.
• Track record of taking multiple products from first silicon to volume production.
• Strong cross-functional communication skills and the ability to lead without direct authority.

Culture & Benefits

• Work in a hyper-growth AI infrastructure company where technical judgment influences product quality, performance, and time-to-market.
• Collaborate with hyperscalers, ecosystem partners, design, architecture, product, DFT, customer, and Field Applications Engineering teams.
• Discretionary bonus, incentives, and benefits may be available.
• The company encourages applications from people with diverse backgrounds and experiences, including people of color, LGBTQ+ and non-binary people, veterans, parents, and individuals with disabilities.