Senior Systems Security Engineer @ From January 2015 to Present (1 year) Senior Configuration Engineer @ Puppet module development Infrastructure architecture Service reliability design Process streamlining and automation From February 2014 to January 2015 (1 year) San Francisco Bay AreaSenior System Administrator @ Development operations Implementation and management of FreeBSD and CentOS servers for a 24x7 infrastructure Deployment and management of network intrusion detection systems in a globally distributed environment Process automation Configuration and change management with puppet Custom software deployment and lifecycle management Provisioning of servers, switches, firewalls, general NOC maintenance Customer service support From January 2014 to February 2014 (2 months) San Francisco Bay AreaSenior Systems Administrator @ Development operations Implementation and management of FreeBSD and CentOS servers for a 24x7 infrastructure Deployment and management of network intrusion detection systems in a globally distributed environment Process automation Configuration and change management with puppet Custom software deployment and lifecycle management Provisioning of servers, switches, firewalls, general NOC maintenance Customer service support From February 2012 to January 2014 (2 years) San Francisco Bay AreaSystems Administrator @ CentOS/RHEL, Cpanel, WHM, Apache, Tomcat, PHP, MySQL, Exim, Courier, PureFTPD, ProFTPD, BIND, OpenSSH, Virtuozzo Mitigation of threats to quality of service in shared, virtualized and dedicated platforms Monitoring and incident response with Nagios Task automation with shell scripting Identify and resolve PCI-DSS issues Troubleshooting and correcting server hardware failures Provisioning of servers, switches, pdu's, general NOC maintenance Network and host intrusion detection Rotating 24 hour on-call schedule Customer service support From August 2010 to February 2012 (1 year 7 months) Logistics Manager @ From August 2006 to January 2010 (3 years 6 months) Systems Administrator @ From January 2003 to January 2006 (3 years 1 month) Account representative @ From March 2000 to June 2002 (2 years 4 months)

Eric Holzbach is skilled in: Apache, Bash, Linux, Network Administration, Network Security, Security, System Administration, Nagios, Firewalls, Shell Scripting, FreeBSD, MySQL, CentOS, Switches, Puppet, Servers