Charles Wyble

El Monte CA

818.280.7059 charles@knownelement.com http://www.knownelement.com/

I’m looking to reduce costs and improve efficiency in an IT service delivery organization, by rapidly sourcing and fielding whatever is necessary to get the job done on time and within budget. Linux systems engineer with extensive knowledge/experience on both Debian and RedHat based Linux distrubutions in a wide variety of applications. Very comfortable with shell scripting, package management, user account administration, configuration management etc) A superb communicator who will thoroughly and efficiently handle any situation requiring communication with clarity and conciseness. A frequent speaker/writer on a wide variety of I.T and open source matters, as well as a frequent contributer to open source projects. Core IT infrastructure Daily administration tasks in support of Mailman, Postfix, Bind, PXE boot (Debian Fully Automated Install (FAI) and Red Hat Kickstart on both Xen guests and physical hardware. Debian and Ubuntu / Red Hat Enterprise Linux (3/4/5) Shell scripting/automation (bash/sed/awk) Assisting tier3 support with software debugging (php/python/perl/java/) Apache 1.30/2.0/2.2 Postfix and Courier Samba/ProfFTPD IpTables/Snort/Nessus/Nmap/OpenVAS (formerly nessus) F5/BigIP Global Traffic Manager and Local Traffic Manager Cisco LocalDirector, 2600/1800 series routers, 3745/2900 switches Linux Virtual Server (LVS) IPTables, Snort, ClamAV OpenVPN Nagios, HP OpenView, HP SiteScope and What’s Up Gold Hewlett Packard SAN (20 terabytes total storage supporting VmWare workloads) EMC Clarion cx400 and cx700 (200 terabytes total storage supporting oracle/mysql/sql server workloads) Promise and Equallogic iSCSI Network Attached Storage (100 terabytes total storage supporting near line storage and development workloads) NFS on Linux supporting distributed web work loads Basic systems administration of HP-UX 11i Basic systems administration of Solaris 8/9/10/opensolaris Panther CDN (used at Ripple/Targetcasat) ATT Edge Cache (used at Disney) Akamai (used at Evite and Disney) Linux System Engineer Targetcastnetworks INC (via acquisition of RippleTV) October2008 January2010 Provided system engineering expertise for customer facing advertising platform (AdSpot) and internal fleet management tool (CPanel). Utilized Nginx, Mongrel, Thin, Rails, Merb and Rack. Also used MySQL and memcached. Linux/Windows/network/security consulting Multiple entities including Cast And Crew Entertainment Services Inc, Evite.com and Siderean Software September2007 October2008 Provided system engineering expertise for Evite.com, across 2 geographically dispersed data centers supporting 10 million visitors and 2 million e-mails per day. Utilized Apache/Tomcat on Gentoo and Ubuntu. Linux/Windows System Engineer The Walt Disney Company - Parks and Resorts Online - Walt Disney Internet Group August2006 September2007 Provided system engineering and PCI compliance expertise for Disneyland.com,Disneyworld.com,DisneyCruiseLines.com and 23 related properties generating 2 billion dollars a year. Business logic was handled by Jboss instances on RHEL3/4. Linux Systems Engineer Intuit Inc (via acquistion of Electronic Clearing House) October2005 June2006 Linux systems engineer for a 24x7 transaction processing/ecommerce/ financial services environment. Responsibilities included: Working closely with the network administration and infrastructure design teams. Ensuring continuous uptime of multiple high visibility/high impact/high value envrironments including: A 1TB MySQL database. A 300 TB Oracle database. A 1.5 TB Oracle Data warehouse. A 4,000 store LAMP based ecommerce system. (MerchantAmerica.com) Designed/tested/documented/deployed an enterprise wide Linux backup system. All data stored on a central server with ISCSI attached network storage. Uses GNUPG and tar over ssh. Backups/Restores tested on a weekly basis. Deployed 2 Oracle RAC clusters, each consisting of 3 Dell 6850's. They are equipped with Qual Dual Core Xeon's and 32 Gb of RAM, running RedHat Enterprise Linux 4.0 64bit edition. One environment is for staging and one is for production. EMC attached. This environment is used for our Data Warehouse, our Transaction Processing Software and our Credit Card Clearing application. It is a fundamental infrastructure component. The hardware and software was deployed in 3 business days. Deployment of file integrity checking across 100 UNIX servers using fully open source software. Used integrit http://integrit.sf.net and some custom shell scripts which were submitted back upstream for inclusion. Linux/Windows/network/security consulting for various startups and defense contractors Multiple entities February2005 October2005 LAMP Deployment: Deployed a Debian Linux/Apache/MySQL/PHP system and educated the System Administration and Development staff on configuration and use for an insurance company Corporate Linux Deployment/Migration: Provided assistance to a medium sized engineering firm with a near 100% conversion to Linux on the desktop and server. Utilizing SUSE Professional 6.5 for desktops and Debian GNU/Linux for servers (Email/File Server/DNS/DHCP). Linux Deployment/Migration: Providing on going assistance to a small software development firm with a near 100% conversion to Linux. Utilizing Ubuntu Linux for desktops and Debian GNU/Linux for servers (Email/File/LDAP/DNS/DHCP). Linux/Windows Systems Engineer GSI Commerce (via acquistion of Newroads Inc) July2002 February2005 Assisted in the design/testing/and execution of a disaster recovery in real time (on-the-fly). Wrote and documented the use of several utilities that cut down the amount of time to recovery by 30 percent. Streamlined the system configuration and new account creation process for ProFTPD on a mission critical FTP server. This allowed faster turn around times and freed up I.T. resources. Deplopyed/Secured/Optimized/Maintained UltraVNC remote control software. This allowed the Infrastructure Support team to more rapidly respond to users support requests, and by doing so increase compliance with Service Level Agreements and increase end-user satisfaction. Upgraded the network from hubs to Linksys managed switches to increase network performance and usability/reliability. No network downtime occurred in the process of the upgrade Wrote a custom software/hardware monitoring/reporting system to ensure compliance with software licensing and obtain an accurate overview of company assets for inventory and disaster recovery purposes. Utilized WMI/Visio/Microsoft Access Learning Tree International May 2004 This course showed the entire process of developing clear concise effective technical writing in less time, that meets the needs of the audience. Learning Tree International October2004 This workshop presented a conceptual overview of networking fundemntals and technology. I founded an open source project to capture information on the Excel file format. If you ever open an Excel file in OpenOffice you are using code that I helped write via extensive research on the Excel file format. I also am the maintainer of the stand alone xlhtml software which is a command line xls convertor. This project produced code and documentation to assist developers working with the Microsoft Excel and compound document/structured storage file formats on non Microsoft platforms. I am a very active participant in the greater Los Angeles information technology community. I have presented numerous times at the Unix Users Association of Southern California (LA and OC chapters). Please see http://www.uuasc.org for details. I am a frequent contributor to the mailing list as well. I am a frequent presenter and participant (both in person and via mailing lists) at numerous Linux User Groups throughout the southern California region. This includes LiLAX, SFVLUG, SCLUG, SGVLUG. 2010 Redistrubtion as is allowed. No modifications without prior written consent.