Senior Wireless Systems Test Engineer (5G/NTN)

Yoh, A Day & Zimmermann Company; Southampton; On-site; GBP 55,000 - 73,000; Full time

Job summary

Yoh, A Day & Zimmermann Company in Southampton seeks a test engineer who thrives on solving wireless system problems. You will work where RF, software and 5G meet, performing hands-on testing, debugging and validating end-to-end systems.

You'll own test strategies, build Python automation, and translate customer requirements into practical test plans, with exposure to 4G/5G PHY/MAC layers and system integration. This role suits engineers who enjoy taking ownership and learning new things.

Qualifications

• Experience in wireless communications and RF systems.
• Hands-on debugging of complex RF/software interactions.
• Proficiency in Python for test automation.
• Experience with system integration and validation workflows.
• Knowledge of 4G/5G PHY or MAC layer technologies.

Responsibilities

• Develop and execute test strategies for wireless systems.
• Build and maintain Python-based test automation for validation tasks.
• Troubleshoot and debug cross-domain RF, software and hardware issues.
• Translate customer requirements into practical test plans and procedures.

Skills

Wireless communications

RF test

Python automation

System integration

4G/5G PHY/MAC

Job description

Yoh, A Day & Zimmermann Company in Southampton seeks a test engineer who thrives on solving wireless system problems. You will work where RF, software and 5G meet, performing hands-on testing, debugging and validating end-to-end systems.

You'll own test strategies, build Python automation, and translate customer requirements into practical test plans, with exposure to 4G/5G PHY/MAC layers and system integration. This role suits engineers who enjoy taking ownership and learning new things.