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 :

- Demonstrate strong working knowledge of Ethernet LAN switching protocols, including :

1. EtherChannel / Link Aggregation

2. PVLANs

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

4. 802.1Q Trunking

- Familiarity with routing fundamentals and basic understanding of Palo Alto firewalls.

- Experience with Infoblox for DHCP, DNS, and IP Address Management (IPAM).

- Utilize network monitoring and performance tools (e.g., HPE IMC, Zabbix) for proactive issue detection and optimization.

- Adhere to ITIL framework practices for Incident, Change, and Problem Management.

- Log, document, and resolve issues following standard SLA and escalation protocols.

- Contribute to process improvement and problem-solving initiatives.

- Provide 24x7 operational support as per shift schedule.

- Manage multiple concurrent tasks effectively while maintaining quality and accuracy.

Required Skills & Experience :

- In-depth knowledge of Aruba Central, Aruba Switches, and Wireless Solutions.

- Proficiency with Cisco Switching and Wireless Technologies.

- Experience in LAN/WLAN troubleshooting and ISE integration.

- Working knowledge of Ethernet LAN switching standards, VLANs, STP/RSTP, 802.1X, and SNMP.

- Familiarity with Infoblox, HPE-IMC, Zabbix, and network monitoring tools.

- Basic understanding of routing principles and Palo Alto firewalls.

- Strong analytical, troubleshooting, and problem-solving skills.

- Excellent communication and documentation abilities.

- Team-oriented mindset with the ability to collaborate across functions.

- Self-motivated and capable of working independently under minimal supervision.

- Bachelors degree in Computer Science, Information Technology, or related field.

Professional certifications such as :

- Aruba Certified Switching Associate/Professional (ACSA/ACSP)

- Cisco Certified Network Associate/Professional (CCNA/CCNP)

- CompTIA Network+ or ITIL Foundation Certification

- Global network operations setup supporting enterprise infrastructure.

- 24x7 support with rotating shifts, including weekends as required.