Staff High-Speed I/O Test Engineer (Silicon Photonics)

Location: Mountain View, California, United States; flexible hybrid workplace model

Salary: $187,000–$220,000 USD per year, plus equity and other rewards.

Company

hirify.global develops data center photonics infrastructure for extreme-scale AI and high-performance computing workloads, including its 3D-stacked Passage photonics engine.

What you will do

• Execute high-speed serial I/O characterization and validation across multiple product platforms.
• Develop package- and system-level test strategies, test platforms, and design-for-test rules for manufacturing.
• Set up and operate oscilloscopes, BERTs, AWGs, TDRs, VNAs/PNAs, and related high-speed laboratory equipment.
• Build Python-based automation for laboratory measurements, test execution, data analysis, and parameter extraction.
• Define stress-testing methodologies to identify serial I/O operating limits after system integration.
• Debug compliance hardware, fixtures, software, and devices under test while coordinating with architecture, signal integrity, silicon design, and equipment vendors.

Requirements

• Master’s degree in Electrical Engineering, Computer Engineering, or a related field.
• 6+ years of industry experience developing transceiver, SerDes, or high-speed link tests for products.
• Hands-on experience with high-speed laboratory equipment, including oscilloscopes, BERTs, PPGs, VNAs, and spectrum analyzers.
• Strong knowledge of high-speed interfaces and analog building blocks such as PLL, CDR, CTLE, DFE, FFE, and FEC.
• Experience automating test systems and processing data with Python.
• Strong analytical, debugging, and technical communication skills for resolving hardware and signal integrity issues.

Nice to have

• Experience characterizing and testing silicon photonics components and circuits, including tunable lasers, power meters, polarization synthesizers, and OBR/OVA.
• Knowledge of system-level SerDes design, channel analysis, insertion loss, return loss, crosstalk, and link training algorithms.
• Knowledge of IEEE 802.3, OIF, PCIe, or USB4 specifications.
• Ph.D. with 2+ years of relevant industry experience.

Culture & Benefits

• Comprehensive medical, dental, and vision coverage.
• Retirement savings matching, life insurance, and short- and long-term disability coverage.
• Vacation, sick leave, public holidays, and paid family leave.
• Training and development support, commuter benefits, and equity grants for full-time employees.
• Opportunity to work with an interdisciplinary team developing data center photonics for AI and HPC.