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Jon Buhagiar, BS/ITM, MCSE, CCNA, A+, N+, Project+, is an information technology professional with two decades of experience in higher education and the private sector.

Jon currently serves as supervisor of network operations at Pittsburgh Technical College. In this role, he manages data center and network infrastructure operations and IT operations, and he is involved in project management of projects supporting the quality of education at the college. He also serves as an adjunct instructor in the college's School of Information Technology department, where he has taught courses on Microsoft and Cisco certifications. Jon has been an instructor for 20+ years with several colleges in the Pittsburgh area, since the introduction of the Windows NT MCSE in 1998.

Jon earned a BS degree in information technology management from Western Governors University. He also achieved an associate degree in business management from Pittsburgh Technical College. He has recently become a Windows Server 2016 Microsoft Certified Solutions Expert (MCSE) and earned the Cisco Certified Network Associate (CCNA) certification. Other certifications include CompTIA Network+, CompTIA A+, and CompTIA Project+.

In addition to his professional and teaching roles, he has authored CCNA Routing and Switching Practice Tests: Exam 100-105, Exam 200-105, and Exam 200-125; CompTIA Network+ Review Guide: Exam N10-007, 4th Edition; CompTIA A+ Deluxe Study Guide: Exam 220-1002 (all Sybex, 2016); and CCNA Certification Practice Tests: Exam 200-301 (Sybex, 2020). He has also served as the technical editor for the second edition of the CompTIA Cloud+ Study Guide (Sybex, 2016), CCNA Security Study Guide: Exam 210-260 (Sybex, 2018), CCNA Cloud Complete Study Guide: Exam 210-451 and Exam 210-455 (Sybex, 2018), CCNP Enterprise Certification Study Guide: Implementing (Sybex, 2018), Operating Cisco Enterprise Network Core Technologies: Exam 300-401 (Sybex, 2020), and MCA Modern Desktop Administrator Complete Study Guide: Exam MD-100 and Exam MD-101 (Sybex, 2020).

Jon has spoken at several conferences about spam and email systems. He is an active radio electronics hobbyist and has held a ham radio license for the past 18 years, KB3KGS. He experiments with electronics and has a strong focus on the Internet of Things (IoT).