Network Engineer

Role Overview We are looking for an experienced Network Engineer to ensure the availability, performance and resilience of the network and communications infrastructure. Working within a business-critical IT environment, you will be responsible for the day-to-day operation of LAN, WAN and Wi-Fi networks while also managing voice and telecommunications services. You will play an important role in incident prevention, infrastructure optimisation and the continuous evolution of the network architecture. Responsibilities Manage and optimise LAN, WAN and Wi-Fi infrastructure , ensuring high availability, security and performance. Monitor network services proactively, troubleshoot connectivity and performance issues, and analyse logs and metrics to prevent recurring incidents. Administer VoIP and call-recording solutions , including telephone extensions, user profiles and voice/video QoS. Contribute to network architecture improvements, technology assessments, capacity planning and infrastructure expansion. Maintain network documentation and coordinate with technology vendors and telecom operators to ensure agreed service levels. Requirements Bachelor's degree in Computer Engineering, Telecommunications, Networks, Information Technology or a related field (Mandatory) Fluent English Minimum 3 years of professional experience in network administration, network engineering or telecommunications. Strong knowledge of TCP/IP, VLANs, VPNs, STP, VRRP, QoS, LAN/WAN/Wi-Fi and Cisco networking technologies . Knowledge of VoIP/call-recording solutions and Cisco CCNA/CCNP certification will be highly valued. Must be based in Portugal