204 lines
9.0 KiB
Plaintext
204 lines
9.0 KiB
Plaintext
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Charles Wyble - Résumé
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Contact Information:
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Charles Wyble
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El Monte, CA
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Mobile Phone: 818.280.7059
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Email: charles@knownelement.com
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URL: http://www.knownelement.com/
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Professional Objective:
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I’m looking to reduce costs and improve efficiency in an IT service
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delivery organization, by rapidly sourcing and fielding whatever is
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necessary to get the job done on time and within budget.
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Skills Summary:
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Linux systems engineer with extensive knowledge/experience on both
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Debian and RedHat based Linux distributions in a wide variety of
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applications. Very comfortable with shell scripting, package
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management, user account administration, configuration management,
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etc. A frequent speaker/writer on a wide variety of IT and open
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source matters, as well as a frequent contributer to open source
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projects.
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:
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*Core IT infrastructure *: Daily administration tasks in support of
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Mailman, Postfix, Bind, PXE boot (Debian Fully Automated Install
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(FAI) and Red Hat Kickstart on both Xen guests and physical
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hardware.
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*Linux Server Applications *: Debian and Ubuntu / Red Hat Enterprise
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Linux (3/4/5) shell scripting/automation (bash/sed/awk) assisting
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tier3 support with software debugging (PHP/Python/Perl/Java) Apache
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1.30/2.0/2.2 Postfix and Courier Samba/ProfFTPD
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IpTables/Snort/Nessus/Nmap/OpenVAS.
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*Networking (switches, load balancers and security)*: F5/BigIP
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Global Traffic Manager and Local Traffic Manager Cisco
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LocalDirector, 2600/1800 series routers, 3745/2900 switches Linux
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Virtual Server (LVS) IPTables, Snort, ClamAV OpenVPN.
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* Monitoring*: Nagios, HP OpenView, HP SiteScope and What’s Up Gold.
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*Storage*: Hewlett Packard SAN (20 terabytes total storage
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supporting VmWare workloads) EMC Clarion cx400 and cx700 (200
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terabytes total storage supporting Oracle/MySQL/SQL server
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workloads) Promise and Equallogic iSCSI Network Attached Storage
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(100 terabytes total storage supporting near line storage and
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development workloads) NFS on Linux supporting distributed web work
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loads.
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*Other*: Basic systems administration of HP-UX 11i Basic systems
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administration of Solaris 8/9/10/opensolaris Panther CDN ATT Edge
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Cache Akamai VmWare Virtual Infrastructure 3.5 XEN KVM/Qemu/Virtual
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Server/OpenVZ/VmWare Server.
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Employment History:
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Linux System Engineer
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Targetcast Networks (via acquisition of RippleTV)
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October 2008-January 2010
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Provided system engineering expertise for customer facing
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advertising platform (AdSpot) and internal fleet management tool
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(CPanel). Utilized Nginx, Mongrel, Thin, Rails, Merb, Rack, MySQL
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(with replication), memcached and slack to support 2000+ systems.
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Linux, Windows, network and security consulting
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Multiple entities including Cast And Crew Entertainment Services Inc, Evite.com and Siderean Software
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September 2007-October 2008
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Provided Linux and Cisco systems engineering expertise for
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Evite.com, across 2 geographically dispersed data centers supporting
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10 million visitors and 2 million e-mails per day. Utilized
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Apache/Tomcat on Gentoo and Ubuntu.
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Provided Linux systems engineering expertise for Cast And Crew
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Entertainment Services. Utilized Centos to host several green screen
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and J2EE web based applications for payroll processing.
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Provided Linux systems engineering expertise for Siderean Software.
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Utilized Fedora and Centos on dedicated hardware and ec2 to host
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numerous web properties including sites for Oracle Software.
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Linux/Windows System Engineer
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The Walt Disney Company - Parks and Resorts Online - Walt Disney Internet Group
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August 2006-September 2007
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Provided system engineering and PCI compliance expertise for
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Disneyland.com, Disneyworld.com, DisneyCruiseLines.com and 23
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related properties generating 2 billion dollars a year. Business
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logic was handled by Jboss instances on RHEL3/4 and frontend
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application serving was done via Windows 2003 and Tomcat/IIS.
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Projects:
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* *Automated numerous routine system administration tasks* Created
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numerous batch and VbScript programs to handle all aspects of
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Windows administration from the command line.
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* *Active Directory Project for WDIG* Designed and implemented a
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nation wide, 3 data center, highly available Active Directory
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system to handle both the PCI and non PCI servers for the Walt
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Disney Internet Group.
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* *Windows NT to Active Directory migration* Migrated all the
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application servers off of Windows NT to Windows 2003 Active
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Directory domain controllers. Also have experience with Windows
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2008 (including Linux/Cisco/wireless [wpa2 enterprise]
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authentication). Used both Centrify and
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Samba/Winbind/LDAP/Kerberos.
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Linux Systems Engineer
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Intuit Inc (via acquistion of Electronic Clearing House)
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October 2005-June 2006
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Linux systems engineer for a 24x7 transaction processing/ecommerce/
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financial services environment. Responsibilities included working
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closely with the network administration and infrastructure design
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teams and ensuring continuous uptime of multiple high
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visibility/high impact/high value envrironments including 1TB MySQL
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database, 300 TB Oracle database, 1.5 TB Oracle Data warehouse and a
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4,000-store LAMP based ecommerce system (MerchantAmerica.com).
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Projects:
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* *Deployment of encrypted backups.*
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Designed/tested/documented/deployed an enterprise wide Linux
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backup system. All data stored on a central server with ISCSI
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attached network storage. Uses GNUPG and tar over ssh.
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Backups/Restores tested on a weekly basis.
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* *Deployment of Oracle database infrastructure.* Deployed 2 Oracle
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RAC clusters, each consisting of 3 Dell 6850's. They are equipped
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with Qual Dual Core Xeon's and 32 Gb of RAM, running RedHat
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Enterprise Linux 4.0 64bit edition. One environment is for staging
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and one is for production. EMC attached. This environment is used
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for Data Warehouse, Transaction Processing Software and Credit
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Card Clearing applications. The hardware and software was deployed
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in 3 business days.
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* *File Integrity Checking system for PCI compliance.* Deployment of
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file integrity checking across 100 UNIX servers using fully open
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source software. Used integrit http://integrit.sf.net and some
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custom shell scripts which were submitted back upstream for
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inclusion.
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Linux, Windows, network and security consulting for various startups and defense contractors
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Multiple entities
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February 2005-October 2005
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Projects:
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* *LAMP Deployment * Deployed a Debian Linux/Apache/MySQL/PHP system
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and educated the System Administration and Development staff on
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configuration and use for an insurance company.
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* *Corporate Linux Deployment/Migration* Provided assistance to a
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medium sized engineering firm with a near 100% conversion to Linux
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on the desktop and server. Utilizing SUSE Professional 6.5 for
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desktops and Debian GNU/Linux for servers (Email/File
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Server/DNS/DHCP).
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* *Linux Deployment/Migration* Provided assistance to a small
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software development firm with a near 100% conversion to Linux.
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Utilized Ubuntu Linux for desktops and Debian GNU/Linux for
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servers (Email/File/LDAP/DNS/DHCP).
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Linux/Windows Systems Engineer
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GSI Commerce (via acquisition of Newroads Inc)
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July 2002-February 2005
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Projects:
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* *Disaster Recovery from an Informix Database failure.* Assisted in
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the design/testing/and execution of a disaster recovery in real
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time (on-the-fly). Wrote and documented the use of several
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utilities that cut down the amount of time to recovery by 30
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percent.
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* *Streamlined the FTP Server Configuration process.* Streamlined
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the system configuration and new account creation process for
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ProFTPD on a mission critical FTP server. This allowed faster turn
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around times and freed up IT resources.
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* *Deployed open-source Remote Control Software.*
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Deplopyed/Secured/Optimized/Maintained UltraVNC remote control
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software. This allowed the Infrastructure Support team to more
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rapidly respond to users support requests, and by doing so
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increase compliance with Service Level Agreements and increase
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end-user satisfaction.
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* *Network Infrastructure Upgrade.* Upgraded the network from hubs
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to Linksys managed switches to increase network performance and
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usability/reliability. No network downtime occurred in the process
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of the upgrade.
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* *Hardware/Software Inventory Solution*: Wrote a custom
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software/hardware monitoring/reporting system to ensure compliance
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with software licensing and obtain an accurate overview of company
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assets for inventory and disaster recovery purposes. Utilized
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WMI/Visio/Microsoft Access.
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