Role & responsibilities

Network Architecture & Administration
Design, deploy, and maintain highly available enterprise LAN, WAN, WLAN, and SD-WAN networks.
Configure, manage, and support enterprise networking devices, including routers, switches, firewalls, and wireless access points.
Implement and optimize routing and switching technologies such as OSPF, BGP, EIGRP, VLANs, STP, trunking, QoS, and IPv4/IPv6 subnetting.
Monitor network performance, conduct capacity planning, and optimize bandwidth utilization.
Manage ISP connectivity, site-to-site VPNs, and remote-access VPN solutions to ensure secure and reliable connectivity.
Utilize network monitoring and troubleshooting tools such as SolarWinds, PRTG, Wireshark, and Datadog.

System Administration & Virtualization
Install, configure, administer, and maintain Windows Server and Linux settings.
Manage core infrastructure services including Active Directory (AD), Group Policy (GPO), DNS, DHCP, and File Servers.
Deploy, administer, and optimize virtualization platforms using VMware vSphere/ESXi or Microsoft Hyper-V.
Plan, implement, and execute Disaster Recovery (DR) strategies and business continuity procedures.





Security & Compliance
Configure and manage enterprise security solutions, including Fortinet, Cisco Firepower, SonicWall firewalls, IDS, and IPS.
Perform vulnerability assessments, system audits, and support penetration testing activities.
Implement Zero Trust Network Access (ZTNA), Network Access Control (NAC), and endpoint security solutions.
Develop and manage patch management processes for servers, network devices, firmware, and applications.
Respond to critical security incidents by analyzing logs, investigating threats, and implementing remediation measures.

Operations & Support
Ensure high availability, reliability, and performance of enterprise network and server infrastructure.
Troubleshoot complex network, server, and security issues, minimizing downtime and ensuring business continuity.
Maintain infrastructure documentation, configuration standards, and operational procedures.
Collaborate with cross-functional teams, vendors, and service providers to support infrastructure projects and operational excellence.

📌 Walk In Network Administrator Chennai
🏢 Merit Data and Technology
📍 Chennai