Senior Network Engineer - Aruba/WiFi Specialist (Lisbon)

A2IT Technology; Olivais; On-site; EUR 40,000 - 60,000; Full time

Job summary

A2IT Technology in Lisbon is seeking a Network Engineer to join a team responsible for the administration, operation, and improvement of enterprise network infrastructure, ensuring high availability, security, and performance.

The role focuses on managing LAN/WLAN, configuring Extreme Networks and Aruba solutions, implementing VLANs, QoS, 802.1X, and contributing to documentation, incident resolution, and automation initiatives.

Qualifications

• At least 4 years of proven experience managing enterprise networks.
• Strong troubleshooting and incident analysis in high-availability environments.
• Solid knowledge of enterprise wireless technologies and security practices.

Responsibilities

• Manage, operate, and maintain enterprise LAN/WLAN infrastructures.
• Administer and support Extreme Networks Switching platforms.
• Configure, optimize, and troubleshoot Aruba Wireless / Aruba Central solutions.
• Implement VLANs, Routing, QoS, and network segmentation policies.
• Proactively monitor network infrastructure and analyze performance.
• Resolve critical incidents and perform advanced troubleshooting.
• Produce and maintain technical documentation and diagrams.
• Collaborate with Systems, Security, and Operations teams.
• Automate network tasks and observability processes.
• Perform wireless site surveys using Ekahau or equivalent tools.

Skills

LAN/WLAN admin

Network troubleshooting

Documentation

Team collaboration

Scripting

Python

Automation

Tools

Extreme Networks

Aruba Central

Ekahau

Hamina

Job description

A2IT Technology in Lisbon is seeking a Network Engineer to join a team responsible for the administration, operation, and improvement of enterprise network infrastructure, ensuring high availability, security, and performance.

The role focuses on managing LAN/WLAN, configuring Extreme Networks and Aruba solutions, implementing VLANs, QoS, 802.1X, and contributing to documentation, incident resolution, and automation initiatives.