Systems Test Engineer

Role: System Test Engineer – 5G

Salary: c£70,000

Location: Cambridge - Hybrid

An exciting opportunity for an experienced System Test Engineer to join a team developing next-generation 5G solutions. You’ll be working on cutting-edge technology that provides high-speed wireless internet access to rural and semi-urban communities worldwide.

You’ll be part of a collaborative integration and test team, working across 4G/5G technologies, contributing to the validation, debugging, and improvement of innovative wireless networking products.

Key Responsibilities

• Conduct end-to-end system testing and validation of 5G NR SA FWA solutions (cabled and over-the-air).
• Analyse UE to gNB messaging and test new features and functionalities.
• Debug and resolve technical issues across system setup and operation.
• Design, write and execute detailed test cases and plans.
• Produce technical documentation and communicate test findings clearly.

Skills & Experience Required

• 5+ years’ wireless testing experience, including 2+ years in 5G NR/4G LTE/3GPP.
• Strong knowledge of 3GPP standards (LTE/NR, protocol stack, network architecture).
• Experience with test tools (signal analysers, network simulators, automation tools).
• Strong skills in C/C++ and Python (or equivalent).
• Excellent problem-solving, prioritisation, and adaptability skills.

Desirable

• Familiarity with 5G NR Standalone FWA networks.
• Experience with agile development, CI/CD, Kubernetes, Jenkins.
• Knowledge of version control (Git), cloud platforms (AWS, Azure, GCP).
• Linux proficiency.
• Experience with network management protocols (SNMP, NETCONF, YANG).
• Understanding of RF principles and circuits.

Working Model

Hybrid UK-based role with flexibility.

Keywords

5G NR, 4G LTE, 3GPP, Wireless Testing, System Test Engineer, FWA, C/C++, Python, Signal Analyser, Network Simulator, Cloud, Kubernetes, Git.