Network Administrator

Install, configure, and maintain routers, switches, firewalls, load balancers, and other network infrastructure devices. Configure and maintain secure remote connectivity using IPSec VPN, SSL VPN, Site-to-Site VPN, and GRE tunnels. Implement network redundancy, high availability, failover, and disaster recovery networking solutions. Configure and manage enterprise firewalls, Access Control Lists (ACLs), NAT, IDS/IPS, and network segmentation. Support the implementation of Zero Trust networking principles and enterprise cybersecurity best practices. Troubleshoot networking issues across LAN, WAN, Internet, VPN, MPLS, and hybrid cloud environments. Monitor network availability, utilization, latency, throughput, and overall performance to ensure maximum uptime and service reliability. Assist in integrating on-premises infrastructure with cloud networking environments. Configure and maintain core network services including DNS, DHCP, NTP, SNMP, Syslog, RADIUS, TACACS+, and AAA. Perform network capacity planning, upgrades, patching, firmware updates, and infrastructure optimization. Monitor network infrastructure using enterprise monitoring and logging platforms. Analyze traffic patterns, identify bottlenecks, and recommend performance improvements. Maintain accurate network documentation, IP addressing plans, topology diagrams, rack layouts, configuration backups, and disaster recovery documentation. Participate in incident response, root cause analysis, and change management activities. Ensure compliance with organizational security policies, operational standards, and industry best practices. Collaborate with cybersecurity, cloud, systems, and operations teams to support infrastructure projects and service improvements. Configure and support Layer 2 and Layer 3 networking technologies including VLANs, STP, OSPF, BGP, VRRP/HSRP, static routing, and inter-VLAN routing.