Result oriented Network Engineer/ITSM Deployment Engineer/Change Manager with around 11 years of experience – being creative in identifying and designing effective solutions to meet the current needs and future expectations of business and having excellent track record in delivery of advanced technology solutions.
Responsibilities:
- Reviewed those assigned tickets and called customers for further troubleshooting via goto meeting/Webex.
- Provided customer wif update quickly like the troubleshooting plan, progress, workaround, issue summary, bug status. Escalate important ticket (like 'won't fix' hardware issue).
- Reported bugs, followed up the bug status, escalated special bugs to weekly bug meeting.
-The various troubleshooting included security features like IPSec/IPS/AV/webfilter, failover, routing, switching, wireless, LDAP, SNMP, log, hardware issue and network design issue. -Tools: Break point packets generator, Shell/Python script for device monitoring and CLI log
TECHNICAL SKILLS:
TCP/IP: Ethernet/IP/TCP/UDP Packets and operation like TCP flags, TCP three way handshakes, TCP connection half close, TCP Window scaling, TCP MSS, TCP congestion control
Routing Protocols: RIP, OSPF (OSPF adjacency states, LSA database/Area types/Router types, OSPF Message packets, DR/BDR selection, OSPF Routing selection), BGP(BGP route selection and control), IS-IS
LAN technologies: Wired LAN technology like Ethernet, VLANS, VTP, STP, LACP and wireless LAN technology like channel/TX power design/mesh/wireless packets sniffer and packets decryption
Network Security: NAT/PAT, Firewall policy, firewall failover, traffic inspection like IPS/AV/web filter, IPSec VPN, ESP packets decryption, SSL VPN, 8021X, Radius, LDAP, LAN
Security FeaturesInfrastructure services: DHCP, DNS, SNMP/MIB and tools, Passive/active FTP, TFTP Security
equipment: Fortinet firewall, Cisco PIX/ASA Firewall, Cisco
ACS/ISE Router/Switch equipment:
Cisco router (GSR, 7200, 3800, 3600, 2800, 2600, 2500, 1800 series); Cisco Catalyst switch (6500, 4500, 3750, 3500, 2900 series, Nexus 3K); CatOs OS 6X, 7x, Cisco IOS 11x, 12, Fortinet/HP/Nortel/Extreme switch Wireless
CISCO 7600 Routers, CISCO 6500 routers, CISCO 3500 series, CISCO 2950 series switches, Extreme x150, x250, x450e, x650a, Alpine 3600, BD6800, BD8800, BD10k, BD12k, BD20k, Summit 48si Single AC PSU, WM20, WM200, WM2000, WM3600, AP4511 Etc.
B.E (Computer Science), ANNA University, India, 2007, 65%
I hereby declare that all the details furnished above are true and correct to best of my knowledge.