David Pearce

DAVID PEARCE 1277 Royal Birkdale Court Rockledge, FL 32955 - h - c Systems Administrator Professional Profile David is a motivated individual who likes to work hard and make a computer environment work well. He is good at multitasking and enjoys a challenge. His broad range of experience means he can cover many areas of technology. Experiences Windows specific Level Technology Yrs Level Windows workstation 25 Server administration (2019 and prev.) 12 IIS, FTP, DHCP & DNS 8 Active Directory 10 GPO & user management 8 Exchange administration 6 Microsoft SQL administration 3 Windows Server Update Services (WSUS) 4 Yrs Exp Exp Exp Exp Adv Exp Adv Exp Linux specific Level AWS and Azure Backups Containerization Customer support Disaster recovery planning Documentation of processes HW/SW Troubleshooting Leading training classes Monitoring (Nagios) Network troubleshooting PCI compliance\remediation Penetration testing and security Purchasing of equipment SAN/NAS management TrueNAS/iXSystems Veeam VMware/ESXI - Adv Exp Int Exp Exp Adv Exp Int Exp Adv Adv Int Exp Exp Exp Exp Exp Yrs Linux (Ubuntu, RHEL, CentOS, Debian) 10 Server administration 6 FTP, DHCP & DNS 4 Apache, MySQL and Postgres databases 6 Exp Exp Adv Exp Programming Yrs Level BASH SQL scripting PowerShell 6 6 4 Adv Adv Int Intermediate Advanced  Expert (SME) Partial List of Accomplishments      In-place upgrades of physical machines to new hardware with little or no downtime Migration of physical to virtual machines (P2V) reducing costs Implementation of disaster recovery plans including off-site replication for business continuity VOIP telephone system implementation saving company thousands of dollars a year Created multi-tier backup systems to provide redundant protection reducing RTO and RPO dramatically Certifications    CompTIA A+ CompTIA Security+ Microsoft Certified System Engineer (lapsed) Work History     Blue Origin – System Administration (March 2021 to July 2021 contract position)  Investigation of Docker and Kubernetes for internal projects  Setup WSUS and Image Builder systems  Documentation Lockheed Martin – Multi-Function Information System Analyst Sr. (July 2019 to January 2021)  Managing three clusters of VMware hosts  Patching 40+ servers with SCOM and WSUS  Rearchitected Veeam backup system  Documentation County of Brevard – Sr. System Administrator (March 2019 short term contract)  Investigated SUSE licensing on server and arranged for renewal  Provided server maintenance (Windows and Linux) break/fix  Documentation Pioneers, Inc. – Sr. System Administrator (November 2016 – February 2019)  Managed and upgraded VMware vCenter and vSphere hosts  Performed Windows and Linux administration for over 50+ servers  Implemented and maintained over 20 TB of block storage with TrueNAS  Implemented and managed a multi-layer backup system for all servers (Veeam and BackupPC)  Formulated a disaster recovery plan for the enterprise  Documentation of business processes and computer systems used  Wycliffe Bible Translators - System Administrator (April 2015 - June 2016)  Performed Windows and Linux administration for over 250+ servers  Managed all tape and disk backups for all servers  Implemented TrueNAS storage for disk backup target  Wrote many scripts to automate routine processes (BASH, Python, PHP)  Formulated a disaster recovery plan for the enterprise  Documentation of business processes and computer systems used  VoyageurWeb - Programmer (February 2012 - April 2015)  Wrote 30+ custom Drupal modules in PHP  Designed and implemented many mass import scripts (PHP, BASH, SQL)  Maintained and supported 100+ Drupal, WordPress and custom PHP websites  Maintained and optimized 10+ Linux servers and office networking  The Seed Company - Programmer (2009 - February 2012)  Maintained and supported three major Drupal websites  Planned and implemented a major Drupal upgrade including redesigning over thirty custom modules  Wycliffe Bible Translators (Papua New Guinea & MN) - System Administrator (2003 - 2009)  Maintained over 25 Windows and Linux servers  Supported Exchange mail servers for over 500 users  Performed a zero-downtime migration of domain controllers, file and mail servers to new hardware  Scripted many logging and automated email response system for flight information (Perl, batch, PHP)  Implemented a comprehensive monitoring and alert system for all systems (Big Brother, Nagios and Cacti) More work history available on request. Education Associates degree in Electronics - El Camino College - Graduated 1980 August 2021 David Pearce 1277 Royal Birkdale Court  Rockledge, FL -- h - c