Network Engineer

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. (ref:hirist.tech)