High-Speed Interface Test & Characterisation Engineer (AI)

TL;DR

High-Speed Interface Test & Characterisation Engineer (AI): Leading post-silicon validation, compliance testing, and certification for PCIe and LPDDR interfaces across AI accelerator devices with an accent on signal integrity, electrical compliance, and protocol analysis. Focus on building world-class test infrastructure, automating test sequences with Python, and collaborating with design teams to ensure reliable multi-gigabit communication in complex customer systems.

Location: Must be based in or able to work on-site in Bristol, UK

Company

hirify.global is a rapidly growing deep-tech company creating next-generation AI platforms for high-performance computing.

What you will do

• Own the end-to-end validation process for PCIe and LPDDR interfaces, including signal integrity and electrical compliance.
• Execute complex certification testing for PCI-SIG integrators and ensure adherence to LPDDR standards.
• Create and execute post-silicon characterization plans across PVT corners to surface and resolve hardware issues early.
• Develop robust Python-based automation frameworks to drive lab equipment and streamline data collection.
• Review signal integrity simulations and provide actionable feedback to silicon and hardware design teams.
• Manage lab infrastructure, including calibration, probe libraries, and standard operating procedures.

Requirements

• Minimum 10 years of professional experience in high-speed interface validation.
• Deep expertise in PCIe (Gen 3-6) and LPDDR (4/5/6) specifications.
• Proven track record of navigating the full PCI-SIG certification process successfully.
• Extensive hands-on experience with lab equipment like high-bandwidth oscilloscopes and protocol analyzers.
• Proficiency in Python for automation and equipment control.
• Ability to work effectively on-site in Bristol, UK.

Nice to have

• Knowledge of UCIe, CXL, and PAM4 modulation techniques.
• Experience with SystemC for software-based testing.

Culture & Benefits

• Attractive compensation package with company shares options.
• Comprehensive pension plan and extensive employee insurances.
• Collaborative environment that fosters creativity and innovation.
• Culture of freedom with responsibility and technical ownership.