David White Email & Phone Number

United States

Worked extensively with VMware, OpenStack and AWS. Overhauled and upgraded thecompany’s OpenLDAP environment (including multi-master replication), and migrated the primaryauthority to a cloud Identity Management provider. Decommissioned legacy OpenStack environmentswhich involved migrating several instances to a newer OpenStack environment. Implemented routinepatching across servers in our environment. Migrated servers out of physical datacenters into AWSand deployed new servers into AWS. Deployed other services in AWS including regional loadbalancers, Global Accelerators, EFS volumes with multi-region replication, S3 buckets, and new VPCsand subnets. Migrated legacy Nagios monitoring into a new Icinga environment. Completed training inTerraform and other topics through A Cloud Guru.

Chattanooga, Tennessee Area

We provide highly available and virtualized managed web hosting, WordPress maintenance, website design & development, and other related services. All of our hosting is provided on hardware that we own and manage that is located in a HIPAA certified data center in downtown Chattanooga.

Chattanooga, Tennessee Area

Security engineer & Linux server administrator, supporting EPB's internet service for the greater Chattanooga area.

Chattanooga, Tennessee Area

As a Linux server administrator for the Cybersecurity Operations team, my duties included implementing a Postfix mail server integration with Active Directory, re-deploying & maintaining Squid proxy servers, and researching use cases for Ansible. I used vSphere almost daily to help manage dozens of servers, and used Wireshark and tcpdump on a semi-regular basis.I was a contractor (engaged through TEKsystems).

Provided technical support to employees of Lamp Post Group and startup within LPG. The majority of my time was spent with Access America Transport, bought by Coyote Logistics. Removed viruses, deployed new workstations, troubleshot any problems that arose on company servers and employee workstations, managed VPN access, assisting with software applications including Microsoft Office, managed VoIP phones with SIP trunking providers, and other tasks as needed. I oversaw bringing the company's external DNS services in-house on Linux servers. Assisted with email migration into Google Enterprise.

Monitored over 300 servers in the Amazon Cloud with Nagios and responded to any problems that arose, provisioned Drupal hosting clients with Ruby & Puppet-based architecture on Ubuntu servers, analyzed MySQL & Apache logs, maintained MySQL database replication and resized MySQL volumes, troubleshot & worked with Gluster file system. Wrote operations training documentation.

Maintained www.urbanministry.org by updating its Drupal code base and in server administration (including CentOS installation & configuration, firewall maintenance, cPanel installation and configuration, and server monitoring), provided technical support for staff including Microsoft Outlook, and maintained phone and office network, including Active Directory and Exchange 2003 accounts. Improved employee training manual.

Assisting the maintenance of school network by pulling and terminating CAT+5 cable, fixing student computers (virus scans, file recovery, hardware replacement, etc.), maintaining campus printers, and answering phones at the front desk / switchboard.

Philippines

Researched positive cases of impact from the Microenterprise Development programs that FH conducted which were compiled in a final research project. Lived with indigenous residents in two separate communities. Also briefly consulted with the local FH office in addressing some of their IT needs.