ATN International
John McCallister is an experienced professional in cloud platform engineering and IT infrastructure, currently serving as Associate Director of Cloud Platform Engineering at ATN International since March 2020. In addition to this role, John also holds the titles of Head of Server Infrastructure and IT Automation and Integration Architect at ATN International. Prior to this, John worked as a Senior Network Administrator at Protechsoft and served as an Automation Architect at FIS from July 2011 to March 2020.
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ATN International
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ATN and its portfolio of companies invest, own, and operate communications companies and renewable energy assets in the US and Internationally.