Network Administrator

Role & responsibilities:

• Required Technical Skills (MultiVendor)
• Routing, Switching (Access, Distribution, Core)
• L2: VLANs, Trunking (802.1Q), STP/RSTP/MST, EtherChannel/LAG, PortSecurity, StormControl.
• L3: SVI, InterVLAN routing, HSRP/VRRP/GLBP, static & dynamic routing (OSPF/BGP).
• QoS & Multicast: Classification/Marking/Policing/Queuing, IGMP snooping.
• Platforms: Cisco Catalyst/Nexus, Juniper EX.
• Firewalls (NGFW & Classic)
• Policy & Objects: Zones, interfaces, address groups, services, application IDs.
• NAT & VPN: Static/Dynamic/Policy NAT, IPsec (sitetosite), RemoteAccess VPN, SSL VPN.
• Advanced Security: AppID, ContentID, Threat/URL filtering, IPS/IDS, DoS, Security Profiles.
• HA/Clustering: Active/Passive, Active/Active, session sync, failover testing.
• Platforms: Fortinet FortiGate, Palo Alto PANOS, Cisco ASA/FTD, Juniper SRX, Check Point.
• Routing (WAN/Datacenter/Edge)
• Protocols: OSPF (areas, DR/BDR), BGP (peering, policies, communities), Static/Policybased routing.
• High Availability: HSRP/VRRP, ECMP, path selection, SLA tracking (IP SLA).
• Services: DHCP relay, DNS, NTP, NAT at edge, VRFs, VXLAN overlays (where applicable).
• Platforms: Cisco Routers (ISR/ASR), Juniper MX.