Sai Krishnan is an experienced professional specializing in Hadoop, security, Linux, Unix, DevOps, and platform engineering. With a tenure at Tata Consultancy Services from November 2015 to November 2017, Sai focused on Big Data platform engineering, vulnerability and risk management, and cluster security for Hadoop. Prior to that role, Sai served as the Technical Lead for the Unix team at Walgreens, overseeing Unix support operations and acting as a single point of contact and subject matter expert for the team. Earlier in the career, Sai worked as a Unix System Administrator at IBM India Private Limited from 2008 to 2011, gaining foundational experience in Unix administration.
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