Network Administrator

Nxtwave Disruptive Technologies; Hyderabad; On-site; INR 600,000 - 900,000; Full time

Job summary

Nxtwave Disruptive Technologies in Hyderabad is seeking an experienced Network Administrator to plan, design, and maintain complex campus networks, including LAN/WAN, Wi‑Fi, and secure remote access. You will configure Aruba/TP-Link infrastructure, manage switches, routers, VPNs, and firewalls, and ensure robust network performance across locations.

You will document topologies, implement security controls, monitor performance, and support critical incidents beyond regular hours, collaborating

Qualifications

• Hands-on experience with large-scale network environments.
• Experience configuring Aruba/Omada networks, VLANs, and routing.
• Knowledge of firewall policies, NAT, web filtering, and SD-WAN.
• Experience with VPN, IPsec, and secure remote connectivity.
• Proven ability to monitor performance and troubleshoot network issues.

Responsibilities

• Plan, design, implement, configure, maintain, and troubleshoot network infrastructure across offices, campuses, and locations.
• Manage and monitor LAN, WAN, Wi-Fi, firewalls, VPNs, captive portals, and network security services.
• Configure Aruba switches, routers/gateways, APs, and Aruba Central.
• Configure TP-Link/Omada routers and Omada Controller/OC300.
• Manage and troubleshoot Cisco switches and networking equipment.

Skills

Aruba Infrastructure

Omada Infrastructure

Cisco IOS

Firewall management

VPN & IPsec

Network security

LAN/WAN

Network troubleshooting

Education

Any Graduate

Tools

Aruba Central

Omada Controller/OC300

Palo Alto Firewalls

Sophos Firewalls

Job description

Roles & Responsibilities

• Plan, design, implement, configure, maintain, and troubleshoot network infrastructure across offices, campuses, and locations.
• Manage and monitor LAN, WAN, Wi-Fi, firewalls, VPNs, captive portals, and network security services.
• Configure and maintain Aruba switches, routers/gateways, access points, and Aruba Central.
• Configure and maintain TP-Link/Omada routers, managed switches, access points, and Omada Controller/OC300.
• Manage and troubleshoot Cisco switches and networking equipment.
• Configure and troubleshoot VLANs, trunking, access ports, STP, LACP, routing, inter-VLAN routing, DHCP, DNS, NAT, and IP addressing.
• Design segmented networks for staff, students, guests, CCTV, servers, and other business requirements.
• Administer Palo Alto and Sophos Firewalls, including security policies, NAT, web filtering, application control, traffic shaping, SD-WAN, and WAN failover.
• Configure and troubleshoot site-to-site IPsec VPNs and secure remote connectivity.
• Configure and manage captive portals for authentication and controlled network access.
• Monitor network performance, bandwidth utilization, latency, packet loss, link quality, and device health.
• Use Aruba Central and TP-Link Omada Controller for centralized monitoring, management, and alerting.
• Troubleshoot LAN, WAN, Wi-Fi, Internet, firewall, VPN, DHCP, DNS, VLAN, routing, switching, and IP addressing issues.
• Manage enterprise Wi-Fi, including SSIDs, VLAN mapping, authentication, roaming, AP connectivity, coverage, and performance.
• Manage and troubleshoot CCTV/IP cameras, NVRs, CCTV switches, and CCTV VLANs.
• Monitor leased lines, broadband, RF links, and backup Internet connections.
• Coordinate with ISPs, vendors, and internal IT teams for outages, latency, packet loss, and connectivity issues.
• Configure and troubleshoot WAN failover and load balancing.
• Monitor firewall logs and network traffic for policy violations, abnormal activity, and security threats.
• Support network security, hardening, and ISO 27001-related requirements.
• Maintain network configuration backups, topology diagrams, IP details, VLAN information, switch-port mappings, firewall/VPN details, and device inventory.
• Create and maintain SOPs and technical documentation for network installation, configuration, troubleshooting, and maintenance.
• Participate in network deployments, upgrades, migrations, and new-site implementation projects.
• Provide network support during critical business events, examinations, live streaming, and high-priority activities.
• Perform root-cause analysis (RCA) and prepare reports for major network incidents.
• Coordinate with internal teams, vendors, and service providers for incident resolution.
• Support planned maintenance and critical network incidents outside regular working hours when required.

Skills Required

• 23 years of hands-on experience in Network Administration, Network Engineering, or Network Infrastructure Support.
• Strong hands-on experience with Aruba Infrastructure and Aruba Central.
• Strong hands-on experience with TP-Link/Omada Infrastructure and Omada Controller/OC300.Hands-on experience with Cisco switches, Cisco IOS, VLANs, trunking, STP, routing, and switch-port troubleshooting.
• Hands-on experience with Palo Alto and Sophos Firewalls.
• Strong knowledge of TCP/IP, IPv4, subnetting, CIDR, VLANs, STP, LACP, DHCP, DNS, ARP, ICMP, NAT, routing, and inter-VLAN routing.
• Knowledge of static routing and basic OSPF.
• Experience with firewall policies, NAT, web filtering, application control, QoS/traffic shaping, SD-WAN, WAN failover, and load balancing.
• Experience with site-to-site IPsec VPN configuration and troubleshooting.
• Experience with captive portals and centralized network monitoring.
• Strong enterprise Wi-Fi administration and troubleshooting skills.
• Experience with CCTV/IP cameras, NVRs, and CCTV network infrastructure.
• Strong troubleshooting, problem-solving, and root-cause analysis skills.
• Experience coordinating with ISPs, vendors, and internal IT teams.
• Good understanding of network security, segmentation, and secure network design.
• Ability to maintain network topology diagrams and technical documentation.
• Familiarity with ISO 27001, CIS, and NIST security controls is an advantage.
• Strong communication, coordination, documentation, and multitasking skills.
• Willingness to support critical incidents, planned maintenance, and business-critical events beyond regular working hours.

Job Details

• Job Title: Network Administrator
• Department: Engineering Hardware & Networks
• Industry: IT / EdTech
• Experience: 2–3 Years
• Employment Type: Full-Time, Permanent
• Education: Any Graduate
• Work Location: Hyderabad
• Language: English – Proficient (Verbal & Written)