Network Engineer - Aruba & Cisco Technologies

The LAN / WiFi Engineer will be responsible for designing, deploying, managing, and troubleshooting LAN and Wireless networks, with a strong focus on Aruba and Cisco technologies. The role demands hands-on expertise in Aruba Central, Aruba switches, Wireless Access Points (APs), and advanced networking protocols.

The engineer will also play a key role in maintaining network performance, ensuring high availability, and providing Level 2 support in a large-scale enterprise network environment.

Key Responsibilities :

• Configure, deploy, install, and troubleshoot Aruba and Cisco switches, Wireless Controllers, and Access Points (APs).
• Manage and administer Aruba Central for wireless deployments, monitoring, and performance optimization.
• Perform installation and configuration of new network infrastructure, including switches, routers, controllers, and APs.
• Implement network segmentation, VLANs, trunking, and inter-VLAN routing to support organizational requirements.
• Diagnose and resolve issues related to LAN / WLAN, Aruba Central, and Cisco ISE environments.
• Analyze and troubleshoot network and wireless performance problems, ensuring minimal downtime.
• Provide Level 2 (L2) operational support to users, clients, and integrated applications.
• Coordinate with vendors and internal teams for escalations and root cause analysis.
• Perform regular upgrades, patching, and maintenance of existing Switches, Wireless Controllers, and Access Points.
• Monitor system health, capacity, and performance through network monitoring tools such as HPE-IMC and Zabbix.
• Ensure proper functioning of SNMP-based monitoring systems.
• Maintain and troubleshoot authentication systems including 802.1X, RADIUS, TACACS+, and EAP methods.
• Work with Public Key Infrastructure (PKI) and identity-based access control systems.
• Ensure compliance with internal network security standards and best practices.

Network Protocols & Technologies :

1. EtherChannel / Link Aggregation

2. PVLANs

3. Spanning Tree (STP) & Rapid Spanning Tree (RSTP)

4. 802.1Q Trunking

Required Skills & Experience :

Professional certifications such as :

(ref : hirist.tech)