Last active: 11 days ago
I have been doing the system/network administration for last 6 years. My core area of work involves setup, maintain and troubleshoot system and network administration. I had successfully implemented and troubleshoot various system and network administration. My work platform includes (but not limited to ) Microsoft, Cisco, VMware, Citrix, Linux, IBM, SAN, Veritas etc.
Below are the services which i have been providing to the organizations
Microsoft platform :
Active directory on w2k/w2k3/w2k8.
IIS 6/7 web server/application server/file server/ smtp component for relaying.
Certificate services as PKI in w2k/w2k3/s2k8.
Visual SVN as subversioning and repository.
Exchange 2003/2007/2010 and MDaemon for messaging solutions.
WSUS, RDS, Terminal Services, Hyper-V
DNS, DHCP, RRAS, Network Policy services.
PPTP and L2TP VPN Server.
Kernel Debugging with Microsoft Debugger and kd tools
SQL server 2008 Database administration.
VBscripting for standalone and Active Directory environment.
LDAP with and without samba server.
Qmail, postfix, Exim and sendmail as message transfer agent.
Dovecot and courier as IMAP and POP3 server.
smtp-auth, spamassasin, SPF with linux MTAs.
Apache as webserver, apache and git as version control server .
ssh server with and without password (with certificates and passphrase).
VNC , screen as terminal services.
oracle, mysql and postgresql on linux/unix.
IPsec site to site and ssl vpn using freeswan, openswan and racoon.
linux as firewall gateway using bash/perl gateway along with iptables, psad, and snort.
bandwidth shaping policing services using htb and tcng.
Voice server based on sip with h.323 support based on asterisk (trixbox, elastix, go-autodial ) with vicidial.
quagga/zebra as advanced routing solutions.
Amanda/zamanda/Bakula/rsync for backup services
TCP Wrappers for hardening linux security.
ext3/ext4/JFS on linux.
puppet as configuration management.
Debugging linux problems with signal trapping using bash scripts
OSPF,EIGRP,RIP,BGP routing on cisco, juniper and open source in linux.
Acess lists on cisco routers and security appliances (pix/asa).
static and Dynamic NAT on cisco, juniper and open source linux/unix.
L3 routing in cisco switches.
SCCP/SIP in cisco CME, and call manager.
INter vlan routing, site to site vpn, PPP/HDLC wan protocols,
route summarization, equal/non equal cost load balancing.
server virtualization on openvz, proxmox VE, KVM, XEN, citrix, vmware etc.
desktop virtualization using citrix xendesktop and vmware view.
App virtualization using citrix xenapp and vmware thinapp.
user virtualization using citrix profile unity and appsense environment manager.
ISCSI and Fiber channel based storage.
IBM infosphere guardium for database security and data compliance
CA identity minder and site minder.