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Alan Johnson has extensive work experience in the field of network engineering. Alan'smost recent role was as a Senior Firewall Engineer at NTG, where they are currently employed. Prior to that, they worked as a Senior Network Engineer Consultant at TEKsystems, where they were responsible for troubleshooting, designing, configuring, and advising clients on network migrations. Alan also worked as a Senior Network Engineer at SAVA, LLC, where they focused on network design, engineering, implementation, and troubleshooting. Additionally, Alan has held positions as a Network Communications Engineer at Kforce Inc, a Network Security Engineer at the Department of Justice, a Network Engineer at Harris CapRock Communications, and a Total Army Instructor in the US Army.

Alan Johnson has a Master of Business Administration (MBA) degree in Computer and Information Systems Security/Information Assurance, which they obtained from DeVry University from 2010 to 2012. Prior to that, they attended the University of Maryland University College from 2006 to 2009, where they earned a degree in Human Resource Management with a field of study in Human Resources Management/Personnel Administration, General.

In terms of additional certifications, Alan has obtained the following:

- A Top Secret Clearance with SCI Poly, which they obtained from the Department of Justice in June 2013.

- A Comptia Advanced Security Practitioner (CASP) certification, which they received from CompTIA in August 2015.

- A Cisco Certified Network Professional (CCNP) certification, obtained from Cisco in April 2019.

- A CCNA Security certification, acquired from Cisco in November 2016.

- A Cisco Certified Network Associate certification, obtained from Cisco in November 2016.

- Alan also possesses a Security Plus CE certification from Comptia, although the specific month and year of obtaining this certification are not provided.