Thomas Mulligan in

Thomas Mulligan

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Lead Cybersecurity Network Engineer at AT&T
📍 Charlotte, North Carolina, United States

Thomas is a Lead Cybersecurity Network Engineer at AT&T with extensive experience designing and implementing network solutions for major government, financial, and automotive clients. He holds an MBA from the University of South Carolina and certifications including JNCIS-ENT and Microsoft Azure Fundamentals, showcasing his expertise across diverse platforms.

Based on his academic background at universities in North and South Carolina, Thomas may have an interest in the regions vibrant college sports culture. His focus on continuous learning is evident through his professional certifications.

He has a specialized background as a primary network test engineer for complex data center environments at Bank of America.

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Experience
14 Years
Current Role
Lead Cybersecurity Network Engineer
Job Level
Mid-senior
Location
Charlotte, North Carolina, United States
Personality Overview

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Priorities

Topics Thomas cares about

Zero Trust Security
He has direct experience implementing solutions for critical infrastructure in stringent, zero-trust environments for public sector government clients.
Data Center Architecture
At Bank of America, he was the lead test engineer for advanced data center topologies, including Spine-Leaf and vPC deployments with Nexus and Arista hardware.
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Career

Work history

8-2025
Lead Cybersecurity Network Engineer
AT&T
6-2024 - 8-2025
Principal Engineer - Network Engineering
Verizon Business
11-2023 - 7-2024
Senior Consultant - System Architecture
HCLTech
4-2019 - 10-2023
Principal Network Engineer
Verizon Enterprise Solutions
4-2015 - 3-2019
Vice President; Consultant II - System Engineer
Bank of America
In the press

Media appearances

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Education
2018 - 2020
Master of Business Administration - MBA
University of South Carolina
2007 - 2011
Bachelor of Arts (B.A.)
University of North Carolina Wilmington
Social presence
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Behavioral profile

DISC profile (public)

DISC behavioral profile

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