System Administrator Technical Support
Resume:
Kevin Hofing
Woodstock GA
*****.******@*****.***
Summary
Experienced Linux System and Unix Administrator. Possesses excellent troubleshooting and communication skills with ability to generate interdepartmental teamwork to resolve customer related issues.
Technical Skills
Red Hat And Debian Linux
Solaris
Apache and Tomcat
MySQL
Shell Scripting
SVN
DNS Bind
VMWare ESX
Weblogic
Java deployment and configurations
Veritas
Experience
SITA Corporation 4/2011- Present
Linux System Administrator
System Administration of 500+ Linux RHEL 5/6/7 and 200+ Solaris 10/11Servers
Performed VMware Administration for production environment
Interacted with Development team to implement software updates and troubleshoot application issues
Performed Server Monitoring and System Management using Big Brother
Responsible for Apache/Tomcat and Weblogic deployments/configurations for web application servers in production and development environments
Utilized Veritas Cluster Administration to administer high application availability to critical systems
PCI Compliance remediation and Patching
Installed SSL Certificates on F5 and Datapower appliances
Supported MQ Series applications
Supported Messageway Secure File Transfer appliances
Moxie Interactive 8/2010-3/2011
Linux / Windows System Administrator
Internal/external DNS updates via BIND and Windows DNS
Interacted with Development team to implement software updates and troubleshoot issues
Responsible for VMware ESX 4.0 administration
Performed svn content updates of client websites
Configured new hosting sites on F5 load balancer, ASA firewall, SVN and web servers
HP Storage Management Server
Utilized Nagios for Server Monitoring and Administration
System administration of Mysql Database Servers
Utilized Splunk to troubleshoot
Nokia Corporation (contractor) 1/2010-7/2010
Linux System Administrator
Deploy, troubleshoot, and cross train RHEL/CentOS Linux and Windows 2k3/2k8 messaging platforms for email, instant messaging, and social media applications for the worlds largest mobile device manufacturer.
VMware ESX cluster management
Deployed software updates via RPM and Satellite
Implemented database changes for Mysql and Oracle Servers
Documentation of processes and procedures
Quality Assurance reviews of projects prior to implementation
Peer1 Inc. 3/2008 - 10/2009
Linux System Administrator Level 2
Web Hosting and IT Solutions Provider
Administered Red Hat Linux Servers in Enterprise Web Hosting Environment. Troubleshooting of customer issues relating to web servers, Mysql database servers, mail servers, firewalls., plesk control panel.
In absence of Shift Lead I performed acting Shift Lead duties including handling escalations, work flow assignment.
Deployment of RHEL 5 web and database servers
Administered DNS Servers
Juniper Firewall Updates and VPN implementation
Tivoli Storage Manager
CipherTrust, Inc / Secure Computing 3/2006-3/2008
Support Engineer
Provided comprehensive technical and developmental 24x7 support in a high volume, data sensitive, time critical environment for CipherTrust’s suite of Email, Network and Instant Messaging security appliances.
Troubleshooting includes querying and updating proprietary database, Apache and Tomcat configurations, using SSH and MySQL in a Free BSD Unix environment. Reviewed, analyzed and evaluated information gathered through troubleshooting process with customers and through access to the appliance(s), database and network logs from the appliance, TCP dumps, and logs from other devices to resolve issues relating to IronMail email and network suite of products. Assisted customers with troubleshooting of issues relating to networking, firewall, and smtp gateway surrounding the IronMail appliance suite of products.
Member of project to initiate shared mail hosting platform. Part of implementation team and helped create documentation for technical support team. Deployment of FreeBSD Servers for shared mail hosting.
National Net, Inc. 9/2005-3/2006
Unix System Administrator
Server Administrator of Linux and FreeBSD,, Windows 2000/2003 servers.
Responsible for Software and Hardware installs
Timely resolution of trouble tickets with professional client interaction
Configure and Maintain Software Applications including but not limited to Apache, Samba, Bind, Sendmail, Postfix, Qmail, Spam Assassin, MySQL, FTP, SSH
Education
Thomas Edison State College
Bachelors of Arts Degree
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