A D.

A.D. has over 20 years of experience in the field of network engineering and administration. They began their career at Texas Commerce Bank as a Remote Access Administrator, providing network support for remote access users. They then transitioned to Security Identification Systems Corporation (SISCO) as a Senior Network Administrator, where they managed the company network and implemented security enhancements. A.D. later joined SafeCentral Inc. as a Senior Network Engineer, where they optimized systems and improved network efficiency. They then worked as a Senior Operations Engineer at CYREN, maintaining and supporting software and networking components for multiple datacenters worldwide. Currently, A.D. serves as a Senior System Engineer Team Lead at Ntrepid Corp, being responsible for developing Infrastructure as Code (IaC) for a Network-as-a-Service (NaaS) product and managing all aspects of application lifecycle management (ALM). They also collaborate across teams and mentor junior team members.

A D. has a Bachelor's Degree in Network Security from the University of Advancing Technology. In terms of certifications, they obtained the ITIL® Foundation Certificate in IT Service Management from PeopleCert in August 2019. Additionally, they have obtained various other certifications including ITIL Version 3 Foundation, Secure Computing Sidewinder G2 Advanced Certification, Linux +, Linux Professional Institute Certification, Network +, Cisco Certified PIX Firewall Advanced (CSPFA), Cisco Certified Design Associate (CCDA), Cisco Certified Network Associate (CCNA), and Microsoft Certified Systems Engineer (Windows 2000). It is not specified when some of these certifications were obtained.