• Provided distributors, integrators, and end-users with hands-on technical guidance and troubleshoot support via telephone, e-mail, remote support, and on-site• Trained and consulted distributors, sales representatives, HR representatives, electricians, and IT professionals across the 50 states and other countries on various David-Link bio-metric security systems for new project implementation• Software design and debugging of David-Link devices and software (Cloud, Windows, Android, iOS) with in-house team and overseas team for software/firmware changes and/or hardware improvements• Rebuilding of manufactured components consisting of weather damage, electrical damage, or other damages in solder repair of PCB, bio-metric sensors, capacitors, or various other hardware components• Quality management testing of all David-Link bio-metric devices, from alpha-beta stage to final consumer release• Prepared technical documentation and user diagram spec sheets for seamless integration with third party software and hardware access control manufacturers• Back-end web development and maintenance using Magento, Plesk, phpMyAdmin, Adobe Dreamweaver & Photoshop, and FTP for David-Link domain• Conducted small and large scale office moves for company expansion for new hires with workstation and VoIP setup• Planned and attended technology and security trade show conventions across the US, conducting hardware installations, presentations, partner meetings, and floor/booth management