Principal Signal and Power Integrity Engineer (AI)

Location: Onsite in San Jose, California, United States. Applicants must be authorized to work in the US and able to start immediately.

Base salary: $185,000–$240,000 USD annually for the Principal level. A Senior Principal level range of $237,500–$250,000 USD may apply based on experience and interview outcome.

Company

hirify.global provides rack-scale AI infrastructure through connectivity solutions based on CXL, Ethernet, NVLink, PCIe, UALink, and its COSMOS software suite.

What you will do

• Execute signal integrity and power integrity planning, design, modeling, simulation, and laboratory validation across system configurations.
• Develop and validate high-speed connectivity systems for AI and machine learning applications.
• Define hardware system constraints and high-speed technology roadmaps.
• Perform electromagnetic modeling of BGA and connector structures.
• Simulate high-speed SERDES channels and equalization, and conduct power integrity analysis.
• Lead debugging, root-cause analysis, and corrective-action efforts with cross-functional design teams.

Requirements

• Bachelor’s degree in electrical engineering or a related field; a Master’s degree is preferred.
• 8+ years of experience supporting or developing complex SoC or silicon products for server and networking applications.
• 8+ years of hands-on high-speed signal integrity and power integrity design, simulation, and measurement experience.
• Experience with PCIe Gen5/6 and/or 224G/448G Ethernet PCB and interconnect signal and power integrity challenges.
• Experience with 2D/3D electromagnetic simulation using Cadence, Ansys, ADS, or similar tools; familiarity with VNA, TDR, and real-time or sub-sampling oscilloscopes.
• US work authorization and immediate availability are required.

Culture & Benefits

• Work in a dynamic environment focused on connectivity products for AI and machine learning.
• Collaborate with electrical design teams, hyperscalers, and ecosystem partners.
• Contribute to an environment that values creativity, innovation, and diverse perspectives.
• Apply hands-on research, independent problem-solving, and cross-functional technical leadership.