John Zhang, CCIE Emeritus, is currently the Director of Network Engineering at Fidelity Investments, a position held since 2024. Prior to this, John served as a Principal Network Engineer at Fidelity Investments from 2012 to 2024 and worked as a Network Engineering Consultant at Helios and Matheson from 2011 to 2012. With earlier experience as a Network Engineer at TD Ameritrade and a Senior Network Engineer at Lowe's Home Improvement, John has substantial expertise in large scale Data Center and Enterprise network design and implementations. John holds a Master’s degree in Computer Science from the University of South Dakota and a Bachelor’s degree in Computer Science and Mathematics from the University of Nebraska-Lincoln.
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