Network Administrator

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STS-NETWORK -1

Posted a few seconds ago

Chennai

Position: Network Administrator

Experience: 3 to 7 Years

Location: Chennai

Notice Period: Immediate to 30 Days

Job Summary:

  1. Network Infrastructure
  • TCP/IP, OSI model, IPv4/IPv6
  • LAN, WAN, WLAN, VLANs
  • Routing and switching
  • Subnetting, CIDR, default gateways
  • Ethernet, trunking, STP, link aggregation

2. Network Security

  • Firewall administration and rule management
  • NAT, ACLs, and network segmentation
  • Site-to-site and remote-access VPN (IPsec/SSL)
  • IDS/IPS, web filtering, and application control
  • Security policies and access control

3. Network Monitoring & Troubleshooting

  • Network availability and performance monitoring
  • Packet capture and traffic analysis
  • SNMP, Syslog, and NetFlow fundamentals
  • Latency, packet loss, and connectivity troubleshooting

4. Network Services

  • DNS, DHCP, NTP, IPAM, Proxy services, RADIUS, Active Directory Integration and authentication basics

5. Wireless & Remote Connectivity

  • Wireless access points and controllers
  • SSID, WPA2/WPA3, and wireless security
  • Remote-access VPN configuration
  • Site-to-site connectivity and ISP failover
  • Remote user connectivity troubleshooting

6. IT Support

  • Desktop & Laptop Support
  • Windows, Linux & macOS Administration
  • Network, DNS, DHCP & VPN Support
  • User & Identity Management
  • Endpoint Security ( Antivirus, Patch Management)
  • IT Asset & Inventory Management
  • Remote Support Tools
  • IT Ticketing, Incident Management & SLA
  • IT Documentation, SOPs & ISO 27001 Compliance
  • Employee Onboarding & Offboarding
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