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.
Skills Summary
Linux systems engineer with extensive knowledge/experience on both Debian and RedHat based Linux distrubutions in a wide variety of applications.
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.
Linux Server Applications
Debian (stable/testing/unstable)
Red Hat Enterprise Linux (3/4)
Shell scripting/automation/software debugging (bash/php/python/perl/java/awk/sed)
Apache 1.30/2.0/2.2
Postfix and Courier
/Samba
IpTables/Snort/Nessus/Nmap
Proftpd
Networking (switches, load balancers and security)
F5/BigIP Global Traffic Manager and Local Traffic Manager
Cisco LocalDirector, PIX, 2600/1800 series routers
Linux Virtual Server (LVS)
IPTables, Snort, ClamAV
OpenVPN
Monitoring
Nagios, HP OpenView, HP SiteScope and What’s Up Gold
Storage
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
Other
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)
Akama (used at Evite and Disney)
Linux System Engineer
Targetcastnetworks INC (via acquisition of RippleTV)
October2008
January2010
Linux/Windows/network/security consulting
Multiple entities including Cast And Crew Entertainment Services Inc, Evite.com and Siderean Software
September2007
October2008
Linux/Windows System Engineer
The Walt Disney Company - Parks and Resorts Online - Walt Disney Internet Group
August2006
September2007
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.
Deployment of encrypted backups
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.
Deployment of core database infrastructure.
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.
File Integrity Checking
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
Disaster Recovery from an Informix Database Failure
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 FTP Server Configuration process
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.
Deployed open-source Remote Control Software
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.
Network Infrastructure Upgrade
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
Hardware/Software Inventory Solution
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
Classes/Courses
Course 319: Technical Writing A Comprehensive Hands On Introduction
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.
Course 364: Introduction to Internetworking Switches And Routers
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.
The Chicago Project
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.
User groups
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.