A self motivate and experienced Linux System Administrator having proven track record of more than 7 years for administration and management of Linux server (80-100 servers) and delivering project on timely basis.
I have expert level skills in following area: Virtualization, Database clustering and replication, performance optimiztoin of LAMP and Java based web applications, server hardening for security enhancement and penetration testing with tools like Nessus, Nikto etc, deployment of LAMP based scalable architecture by using load balancers, clustering, caching mechanism, redundant and fail-over services.
These are the key areas I have extensively worked on:
Virtualization: Using (Open Source and Citrix based) XEN and Vmware ESXi
AWS: EC2 instance setup , EBS and instance store based AMI setup, VPC setup, S3 for backup and storage, route 53
Operating Systems: Linux (RedHat, Fedora, CentOS), BSD, Windows server (2003, 2008,2012)
Database: MySQL administration, M-M and M-S replication, backup & recovery
Java and PHP based distributed web application deployment and management
LAMP performance optimzation: Nginx, Varnish, Memcache, Redis, Scandra, Tahoe-LAFS
Load Balancing: Haproxy, NLB cluster, modjk
Automated Deployment: Capistrano, Chef, Webdeploy
Repositories: CVS, SVN and GIT
Cisco: Routing, Switching, VPN tunnels setup
Disaster recovery plan and setup