Senior High-Speed Validation Engineer — 25G+ PCB Lab

semtech; Bentfield; On-site; GBP 65,000 - 90,000; Full time

Job summary

Semtech in Stansted, UK is seeking a Senior Validation Engineer to design high-speed validation PCBs for next‑generation devices. You’ll take boards from schematic through stack‑up and layout to bring‑up and measurement at data rates of 25Gbit/s and beyond.

You’ll apply RF and signal integrity practices, define impedance strategies, debug on the bench, and build Python-based test automation. Collaboration with experienced engineers and cross‑functional teams will shape how products are validated

Qualifications

• BSc or MSc in Electrical/Electronic Engineering or equivalent.
• Strong Cadence Allegro experience including schematic and layout.
• Proven high-speed PCB design experience: stack-ups, impedance, SI.
• Experience designing and debugging RF and data comms PCBs.
• Thrives in fast-paced R&D with good communication.
• Team player with detail orientation.

Responsibilities

• Design validation PCBs for new product evaluation from schematic to release.
• Apply high-speed and RF design practices for 25Gbit/s+ boards.
• Bring up, debug and characterize RF/data boards in the lab.
• Prepare validation reports with clear findings.
• Help select lab equipment for validation.
• Develop test automation in Python to speed measurements.
• Collaborate with designers, product, test and applications teams.
• Participate in validation review meetings and shape testing.

Skills

Communication skills

Team player

Self-motivated

Analytical mindset

Education

BSc/MSc in EEE/ECE

Tools

Cadence Allegro

Python

Job description

Semtech in Stansted, UK is seeking a Senior Validation Engineer to design high-speed validation PCBs for next‑generation devices. You’ll take boards from schematic through stack‑up and layout to bring‑up and measurement at data rates of 25Gbit/s and beyond.

You’ll apply RF and signal integrity practices, define impedance strategies, debug on the bench, and build Python-based test automation. Collaboration with experienced engineers and cross‑functional teams will shape how products are validated