IT Network Administrator

HayPass

- 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

- 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+)

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