Senior Validation Engineer – High-Speed PCB Design & Signal Integrity (25G+)

Location: Stansted, UK; on-site Monday–Friday. Other location: Bristol, UK.

Company

hirify.global’s Signal Integrity Products group develops silicon for hyperscale data centres, enterprise networks, and wireless infrastructure.

What you will do

• Design validation PCBs in Cadence Allegro from schematic capture and stack-up definition through layout and release.
• Apply high-speed and RF design practices, including material selection, controlled impedance, and signal integrity, to boards operating at 25Gbit/s and above.
• Bring up, debug, and characterise RF and data communications boards and new silicon in the laboratory.
• Write validation reports, help select laboratory equipment, and build Python-based test automation.
• Collaborate with design, product, test, and applications engineers; contribute to validation reviews and new product design meetings.

Requirements

• BSc/MSc in Electrical/Electronic Engineering (EEE/ECE), or HNC/HND with equivalent practical experience.
• Strong hands-on Cadence Allegro experience covering schematic capture and PCB layout.
• Proven high-speed PCB design experience with stack-ups, materials, controlled impedance, and signal integrity.
• Experience designing and debugging RF and data communications PCBs.
• Ability to stay focused and positive under pressure in a fast-paced R&D environment.
• Team-oriented approach with good communication skills.
• Self-motivation and the ability to learn new tools and techniques independently.
• Strong attention to detail and an analytical, creative approach to problem-solving.

Nice to have

• PCB signal integrity simulation experience.
• Python or similar experience for test automation.
• Experience testing optical components, ICs, or modules.
• Laboratory measurement experience at 25Gbit/s and above.
• Data analysis skills and the ability to present complex data clearly.

Culture & Benefits

• Open, inclusive, collaborative engineering culture focused on innovation.
• Access to experienced engineers and industry-leading test equipment.
• Professional development through collaboration and structured learning.
• Pay-for-performance culture that recognises meaningful contributions.
• Senior engineers can influence product validation, test strategy, and board design practices.