An IT Professional with CCIE(Lab Attempted),CCNA,CCDA, CCNP,JNCIA, JNCIS-Security and more than 10 years of experience in Network designing, planning, and implementation. Possess extensive experience with hands on products like Routers, Switches, Firewalls(UTM Devices), Servers, Link Balancers, PABXs(Telephony Systems). I was involved in a complete setup of Data Center in my career - design, implementation and support.
SYSADMIN: Debian Linux / Ubuntu Linux / Red Hat ES Linux / CentOS Linux / FreeBSD Unix /pfSense Unix / Cisco Routers & Switches
FTP SERVICES: proftpd, vsftpd, pure-ftpd, sftpd, tftpd
FILE SHARING SERVICES: Samba, NFS
PRINTING SERVICES: Cups
CACHE SERVICES: Varnish, Memcache, MemcacheDB, eAccelerator
WEB SERVICES: Apache v1/2, Nginx, PHP v4/5, Suhosin
MAIL SERVICES: Postfix, dovecot, courier, RBL, postgrey, spamassassin, amavis, razor, pyzor, clamav, dcc
DB SERVICES: mysql v4/5, phpmyadmin, mysqlcluster, postgresql v7/8, phppgadmin
DNS SERVICES: bind9, tinyDNS, powerDNS
PROXY SERVICES: Squid, SquidGuard, DansGuardian, URLFilter, haproxy, pond
FIREWALL SERVICES: iptables, ipfwadm, netfilter
VERSIONING SERVICES: SVN, CVS, GIT
IDS SERVICES: Snort, PortSentry, Fail2ban, Bastille, Chkrootkit, Rkhunter, Tiger, Tripwire, Aide
MONIT SERVICES: Nagios, Cacti, Zabbix, Mon, Monit, Zenoss, Ntop, Munin
KERNEL SERVICES: kernel v2.4/2.6, grsecurity, openwall, other patches
STATISTIC SERVICES: Awstats, MRTG, Vnstat, Htop, Bwm-ng
NETWORK PROTOCOLS: TCP/IPv4 IPv6, IPX,
ROUTING: Static Routing, Rip v1/2, (E)IGRP, OSPF(V3)
SWITCHING: VLAN, VTP, STP, Inter VLAN Routing
WAN: PPP, FR, Network Security, ACLs, IP Addressing, NAT
NETWORK MANAGEMENT
-Planning, designing, configuring and managing LAN/WAN ensuring maximum network uptime.
- Carrying out installation & configuration of network, troubleshooting network problems.
- Monitoring and analysing the network including Netflow products(Manage Engine Netflow), Solar Wind Orion, Wire Shark, Sniffer Pro, MRTG ,Cacti, Ethereal, Deep9s Edge Security Profiler, Nmap, Kiwi Syslog Server
Possess sound knowledge of:
- Cisco IOS up to and including version 12.4 – Advanced Enterprise Services.
- Catalyst Switches IOS up to and including version 12.4 - Advanced IP Services.
- Catalyst Switches including 1900, 2950, 2960, 3550, 3560, 3750, 4506 and 6509.
- Cisco Routers – ISR800,1700, 3600, ISR 2801,ISR2821, 7609, ASR1002
- Routing protocols RIP, OSPF, IGRP, EIGRP, IS-IS, BGP, static & default routing.
- IP Multicast technology – PIM implementation, IGMP
-VLSM, PPP, IP Addressing, Redistribution, Network Address Translation, TCP/IP, DNS, DHCP, Network Aggregation
- Switching technologies like VLAN, Inter-VLAN Routing, Ether Channel, VTP, MLS, HSRP, VRRP, UDLD, STP 802.1d and 802.1w
- Remote Access Solution like ISDN, Frame- Relay, PPP and HDLC.
- Network designing and trouble-shooting. Network Cabling and Infrastructure.
- Elfiq link balancer basic experience [login to view URL]
- Basic experience with MPLS VPN configuration and implementation with PE-CE routing protocol configuration
Network Security
- Implementing & configuring VPN ( Open VPN, Site to Site VPN,PPTP, Mobile IPsec VPN)
- Cisco Firewall - PIX 506e, ASA 5505, 5510,5520 – experience in maintenance and configuration
- Cisco IPS/IDS Firewall - ASA 5505 with AIP SSC-5
- Linux IPS/IDS Firewall - Deep9s - basic experience in maintenance and configuration
- Linux Firewall - Pfsense - FreeBSD based firewall in VMware environment
- Handling security of Cisco IOS
- Zone-based Firewall
- Managing Access Control (ACL), Traffic Filtering
- Implementing and monitoring information security policies.
- Handling network and information security audits.
VOICE SERVICES
- Cisco ISR 2821 with CUE – configuration of Auto attendant system, Dialling plans, Voice Mail, Fax services, E1, Pots, configuration of IP telephony, Accounting and Billing, Conference Service;
- Cisco Unified Communications 520,540 – Dialling plans, Fax services, E1, Pots, IP telephony, Voice Mail;
- Intercom – Helios IP;
Operating System Knowledge
- System administrator experience with various operating systems - Windows 3.11/95/98/2000/2003/XP,Vista,Win7, DOS, FreeBSD(basic), Debian(basic), Windows server editions(Windows 2003,Windows 2008 R2,Windows SBS2011;)
Special Services
- SMS gateway Ozeki NG [login to view URL]
- Nextiva and Loronix video server and client software; Verint Networking appliances – encoders and decoders [login to view URL]
- Axis video software and encoders [login to view URL]
Virtualization
- VMware ESXi 4.1, ESXi5
- Microsoft virtualization – Hyper V server
- Blade Centre H, HS22
