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9615 Meadowcroft Drive
Houston, Texas 77063
(832) 413-3141


* Sun, IBM, SGI, and x86/x64-based (HP/Dell/etc) systems
* Network Appliance (NetApp) storage systems and clusters
* EMC Symmetrix & Connectrix SAN storage hardware
* Cisco, Bay Networks, Lucent, and Ubiquiti network hardware

Operating Systems:
* UNIX: Linux (RHCE Certified), Solaris, HP-UX, AIX, IRIX, BSDs
* Windows: All versions * MacOS: MacOS9 and OS X * Hypervisors: VMWare ESX/ESXi/vSphere/Workstation/Fusion, KVM/Xen

* Mail Servers: Sendmail, Postfix, Exim, Microsoft Exchange
* DNS: BIND / NAMED, Microsoft AD DNS
* Web Servers: Apache, Nginx, Microsoft IIS
* Database Servers: MySQL, Oracle
* Common UNIX utilities and software
* Microsoft Office (Word, PowerPoint, Excel, Visio)
* Directory Services: Sun DS, Red Hat DS, 389 DS, OpenLDAP, Microsoft AD
* Networking: TCP/IP, DHCP, FTP, HTTP, NTP

* UNIX shell scripting
* C & Perl
* Web Design (HTML, CSS, PHP, XML/XSLT)

* Red Hat Certified Engineer
* Sun Microsystems Workgroup Computing Certified
* Sun Microsystems Certified Solaris System Administrator
* Sun Microsystems Certified Solaris Network Administrator


cPanel, Houston, TX
Systems Administrator II
November 2015 - Current

  • Managing the cPanel server and network infrastructure that supports internal development and delivery of software products to our customer base.

Omni Ventures / Berkeley Communications, Emeryville, CA
Systems Administrator
February 2015 to September 2015

  • Remotely managed backend infrastructure for the Omni portfolio of companies including ADRIVE.COM end-user cloud storage (NetApp, Linux RAID), virtual servers (VMWare ESXi), and company email services based on Microsoft Exchange and Postfix.
  • Migrated company email to Office 365, automated some Linux servers with Ansible
  • Built open-source network load balancer systems to replace legacy F5 hardware
  • Updated VMWare ESXi systems to version 5.1, implemented vmWare vSphere centralized management for virtualization hosts
  • Upgraded Nagios system and service monitoring for infrastructure hosts
  • Designed mass email system using Amazon SES to contact current customers with upgrade offers

Halliburton Energy Services / Landmark Graphics Corp., Houston TX
Senior Systems Administrator
December 2004 to January 2015

  • Supported users in the Landmark R&D department (500+ users, 1000+ workstations and servers) and infrastructure in remote offices
  • Managed all DNS nameservers for Landmark, trusted with access to HALLIBURTON.COM external DNS
  • Managed NetApp networked NFS, CIFS, and iSCSI storage, including SnapMirror relationships between globally distributed sites
  • Replaced existing monitoring system with implementation based around mixture of open source and commercial software (NAGIOS, Cacti, NetApp Datafabric Manager) to ensure uptime and availability
  • Installed and managed VMWare ESX and ESXi clusters to virtualize legacy systems, improve utilization, and reduce legacy hardare inventory
  • Managed Cisco switches and monitored link quality and bandwidth utilization for multiple overseas VPN connections
  • Migrated legacy Sun Java System Directory Server LDAP infrastructure to Red Hat Directory Server in the fall of 2014
  • Relocated all users and systems infrastructure in a datacenter move to newly-built facility and offices in Q3 2014
  • Designed, wrote, and implemented a "Guest Account Request" system for a corporate WiFi "captive portal" application as a weekend proof-of-concept project that was adopoted as a production application and used by the entire company for 6+ years. Used Apache/PHP/SQLite/Expect and authenticated via Microsoft AD
  • Twice nominated as Employee of the Year; received four "Halliburton MVP" awards

Systems Administrator III (Austin, TX)
December 2002 to December 2004

  • Performed support, administration, and maintenance for more than 250 systems and over 100 users
  • Managed NetApp storage, Cisco network infrastructure, and employee VPN
  • Performed system backups and disaster recovery planning
  • Designed and implemented zero-cost infrastructure monitoring solutions using open-source software
  • Managed and supported the Landmark Graphics global email infrastructure, migrating it from legacy Sendmail to Postfix
  • Designed and implemented anti-spam / anti-virus email gateway used by all of the Halliburton Landmark Graphics division using open-source software and surplus hardware, eliminating a need for commercial products
  • Relocated to company HQ in Houston when the Austin location closed

Broadwing Communications, Inc., Austin, TX
UNIX Systems Administrator II
August 2000 to November 2002

  • Built, managed, and supported systems for database, circuit provisioning, network monitoring/management, and customer QoS details for departments within Broadwing and parent company Cincinnatti Bell

ConnectSouth, Inc., Austin, TX
UNIX Systems Administrator
March 2000 to August 2000

  • Managed core systems running on Solaris/SPARC with EMC mass storage
  • Implemented an enterprise-wide backup solution using Veritas NetBackup

OnRamp Access, Inc., Austin, TX
Senior UNIX Systems Administrator
September 1999 to March 2000

  • Performed system administration duties for mid-sized ISP
  • Deployed and maintained servers for core infrastructure services
  • Implemented Y2K preparation and "rollover" process for all systems

Altair Engineering / COMCO, Austin, TX
Systems and Network Administrator
April 1998 to September 1999

  • Performed all IT operations for a staff of 17 and a mixed network of UNIX and Windows NT servers
  • Maintained company web site, DNS, network, router/firewall, employee dialup access, T-1 connection to the Internet, and VPN to parent company

Texas Networking, Inc., Austin, TX
Senior Systems Engineer
September 1996 to April 1998

  • System and network administration for a large regional Internet provider.
  • Provided technical support for commercial customers, training and management of staff


  • Author of Chapter 15, "Using the VI Editor" Sun Certified System Administrator for Solaris 8 Study Guide, McGraw-Hill Professional Publishing / Syngress Media, Inc. ISBN: 0072123699; November 2001

  • Author of Chapter 15, "Working with the VI Editor" Sun Certified System Administrator for Solaris 9 Study Guide, Osborne/McGraw-Hill. ISBN: 007222598X; November 2002

  • Numerous articles and "Tech Tips" for TechTarget's web site.


  • Creator and maintainer of the SUNHELP.ORG web site, at one time the largest third-party information and community resource for users of Sun Microsystems hardware and software.

  • From 2000 to 2014, I co-managed the Sun-Managers mailing list for Sun system administrators, with a peak subscription count of around 10,000. I continue to host the list archives.