Principal System Test Engineer – Wireless & 5G Automation

Yoh; Chilworth; Hybrid; GBP 70,000 - 100,000; Full time

Benefits offered by this job

Bonus

Benefits

Job summary

Yoh is seeking a Principal System Test Engineer in Southampton, offering hybrid working, a competitive salary, bonus and benefits. You will bridge specification, architecture and real-world performance, defining test strategies and building automated test capabilities for advanced wireless systems.

You’ll work closely with development, architecture and product teams to translate requirements into meaningful test coverage and ensure complex wireless systems behave as expected in real environments.

Qualifications

• Interpret specifications to define practical test methods.
• Develop Python-based automated test capabilities.
• Experience using RF test equipment for performance analysis.
• Knowledge of 3GPP technologies is advantageous.

Responsibilities

• Define system-level test strategies for wireless products.
• Build and maintain Python automated test frameworks.
• Investigate performance with RF equipment and diagnose issues.
• Collaborate with engineers to translate requirements into test coverage.

Skills

Python

Test Automation

RF testing

5G/4G

System test

Tools

CI/CD

Job description

Yoh is seeking a Principal System Test Engineer in Southampton, offering hybrid working, a competitive salary, bonus and benefits. You will bridge specification, architecture and real-world performance, defining test strategies and building automated test capabilities for advanced wireless systems.

You’ll work closely with development, architecture and product teams to translate requirements into meaningful test coverage and ensure complex wireless systems behave as expected in real environments.