Job Description

We are looking for a Network QA Engineer to test the performance and reliability of our LTE/5G modems. You will join a dynamic team dedicated to developing and testing multi-layer networking solutions. In this hands-on role, you will configure Linux-based testbeds, perform deep-packet protocol analysis, and optimise data path throughput, latency, and stability. Beyond core connectivity, you will also lead the validation of critical IoT and higher-layer protocols, including MQTT, CoAP, and LwM2M.

Required Skills:
Core Network Fundamentals: In-depth understanding of the OSI model, including addressing, interfaces, protocols, and Protocol Data Units (PDUs) across layers.
Routing, Switching & Addressing: Proficiency in IP subnetting, hands-on static routing configuration, and solid theoretical knowledge of Layer 2/3/4 concepts (VLANs, MAC / ICMP, ARP / NAT, Firewall).
Traffic & Debugging Tools: Hands-on experience debugging network traffic and measuring bandwidth