David Martinez Email & Phone Number

United States

Fort Worth, Texas

• Monitoring Linux and AIX servers • Providing support to full filesystems and other issues with production servers • Familiar with virtualized environments using VMware and Hyper-V clusters • Participated in physical server migration • Installed and configured CentOS7 in virtual environments for test or new production/development reasons • Wrote custom scripts to run in parallel against 30+ servers for special project • Creation of single and group users with appropriate permissions and environment settings • Actively learning to improve in shell and perl scripting for new automation projects

• Performed installation and maintenance of IT systems, computers, thin clients, HP, Lexmark, Dot Matrix and label printers, routers, Fortinet, switches (regular and PoE), DVR, NVR, and analog/ip based cameras for stores nationwide. • Documented in detail tickets/resolutions in ticketing system and followed up with end users diligently for a swift resolution. • Worked with Active Directory to create and disable accounts. Editing locations and providing proper access for user workflow. • Used basic knowledge to correct and make changes on Cisco router configurations to bring circuits back up in a timely matter. • Worked with various POS systems in a fast paced environment and troubleshooting system and hardware errors. • Played double roles as first contact for more than 1,000 store locations helpdesk technician as well as first contact security camera system technician for 500 plus store locations. Duties including updating Sony and Samsung IP camera firmware and NVR maintenance.

• Maintained most responsibilities held under IT Helpdesk & Security Camera Technician. • Additionally, provide support to Corporate users, troubleshooting issues that arise with computers, application and software. • Creating manuals and documents for proven solutions. • Image laptops and desktops with Win7/Win10 • Install and test desktop software applications and test proper functions on computer. • Handling user separations and user access changes in a timely matter. • Backing up user profile and transferring files from old to new work stations. • Making core changes to machines through Windows Registry. • Push applications and updates to live environments using System Center Configuration Manager 2012 (SCCM)

Arlington, Texas

LON cable runs and termination to air duct sensors.

Arlington, Texas

Arlington, Texas