Mark Walker is an accomplished IBM i Systems Architect at Nelnet since July 2016, bringing extensive expertise in systems architecture and administration. Prior experience includes serving as a System I System Administrator at Denovo, LLC from November 2012 to July 2016, and as a Senior Programmer II at The Sports Authority between July 2008 and November 2012. Additionally, Mark held the role of Senior Auditor at Wells Fargo from July 2007 to July 2008 and was a Senior Systems Analyst at IBM from June 1997 to July 2007. Mark Walker holds a degree from Devry earned between 1983 and 1986.
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