Overview

Responsibilities:
  • Setup, Configure and manage network infrastructure, including VLANs, subnets, routers, and firewalls
  • Troubleshoot network connectivity issues, including DNS, DHCP, IP routing, and VPN configurations
  • Administer and configure network security measures, such as firewalls and access control lists (ACLs)
  • Monitor network performance and ensure availability using tools like Nagios, Prometheus, and Grafana
  • Implement network zoning and segmentation based on multi-tier application architecture
  • Conduct regular network assessments, vulnerability scans, and hardening activities
  • Maintain and optimize data center (DC) cabling, rack layouts, and physical network infrastructure
  • Document network infrastructure, configurations, and troubleshooting procedures
  • Maintain detailed documentation of system configurations, network diagrams, and policies
  • Collaborate with other teams (e.g., infrastructure admins) to ensure network performance is optimized
Required Qualifications:
  • Routing (static and dynamic routing protocols such as OSPF, EIGRP, BGP)
  • Switching (VLANs, trunking, STP, RSTP)
  • DNS, DHCP, IP Routing, VPNs (IPSec, SSL VPNs, MPLS)
  • Subnetting and IP Addressing (IPv4, IPv6)
  • Network Topology Design (LAN, WAN, VPN, SD-WAN)
  • Routing (static and dynamic routing protocols such as OSPF, EIGRP, BGP)
  • Firewall Management (e.g., Palo Alto, Fortinet, Cisco ASA)
  • ACLs (Access Control Lists) and NAT (Network Address Translation)
  • Intrusion Detection/Prevention Systems (IDS/IPS)
  • Network Monitoring (Zabbix, Prometheus, Grafana)
  • TCP/IP stack and OSI model understanding
  • PowerShell, Python, Bash for automation
  • Network Security (IPSec, SSL/TLS, RADIUS, TACACS+)
Note:

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