David E. Alonso

David E. Alonso is a Principal System Administrator at ManTech, where they are part of a small, professional team handling a primarily Windows-based environment. They have also served as a Sr. Systems Administrator at AT&T and a Senior Network Engineer at SAIC, accumulating over 10 years of experience in systems administration and network engineering. David's expertise includes server implementation, Active Directory management, backup and recovery, database support, and security management, reflecting a commitment to continuous learning and professional excellence.