Justin S.

I have over 15 years of experience administering Linux and Windows servers. In my current day-job I am responsible for administering a network of 90+ servers (Windows and Linux) and 25 Cisco routers, switches and firewalls across various locations. I have over 10 years of experience with designing and maintaining fault-tolerant apache/nginx web clusters for highly available web applications. In my current job I designed a web cluster of 13 load balanced apache servers for a very stable environment with little to no down time (even during maintenance periods). I have the following certifications: MCP, MCSA, MCSE, MCSE: Security, CCNA, CCDA I have experience in: * PHP * Wordpress * API Integration * Linux clustering and HA * Amazon EC2 / AWS / MWS * MySQL/MS SQL administration and optimization * Linux Firewall, networking and Security Concepts * Design, deployment and administration of multi node web farms * Service level load balancing and clustering * Linux services (WEB,MAIL,PROXY,DNS,LDAP,SAMBA,ZIMBRA, etc) * OS security concepts * Monitoring tools and solutions (Nagios, Munin, SNMP, OpManager, Kaseya) * Bash scripting * Virtualization solutions (VMWare, XEN, CITRIX, OpenVZ, etc) * Advanced Windows Cluster Administration * Document Management System (Alfresco) * Active Directory deployment and administration * Network administration and design * Network Security (Penetration Testing) * Server Auditing * Technical Support * Web hosting Control panels such as cPanel,Plesk,DirectAdmin and Webmin * Data recovery