1. Juniper EX Series switchesSpanning Tree, Virtual- Chasis,Aggregated Interfaces, Access list, VRRP, Port security,
2. Cisco routers and firewalls and switches VRRP/HSRP,NAT,VPN (Site to site and RA).
3. Fortinet UTMConfigure Firewall polices
4. IP telephony (SIP and Asterisk).
5. Cisco/Palo alto/ Fortinet (Next generation firewalls). IPS,Gateway Antivirus ETC..
6. Load balancer
7. Good knowledge of IPV4 and basic understanding of IPV6.
8. Routing protocols Static, Policy based routing ,OSPF,BGP.
9. Network Monitoring/Diagnostic tools :- Netflow/ SFLOW, Wireshark, MRTG,SNMP NTP etc..
Maintains network performance by performing network monitoring and analysis, and performance tuning; troubleshooting network problems; escalating problems to vendor.
Secures network by developing network access, monitoring, control, and evaluation; maintaining documentation.
Upgrades network by conferring with vendors; developing, testing, evaluating, and installing enhancements.