About

Robin Singhal is a Software Engineer II at Bank of America with 7 years of experience in Linux, AWS, DevOps, Big Data Hadoop tools and technologies. He is an engineering graduate who turned into a DevOps and Hadoop Administrator. Robin has good exposure to SQL, Python, and HTML. He has worked with version control systems like GIT and has extensive experience in executing upgradations of Hadoop (Hortonworks and Cloudera). Robin is a quick learner who can absorb new ideas and can communicate clearly and effectively in business and technical situations at all levels. He has a good interest in solving problems faced in most of the IT domains and how he can learn and improve himself in his expertise areas. In his previous role at phdata, Inc., Robin worked as a Sr. DevOps Engineer - Big Data Hadoop Admin. He was responsible for ongoing administration, troubleshooting, and monitoring of the cluster. He managed and reviewed Hadoop log files, monitored and troubleshooted Jobs/Query failures through Resource Manager, Job History Server, Cloudera Manager, and Impala GUI. He analyzed the Hadoop Service (Daemon) Failures by checking for errors in logs and sharing the analysis. Robin administrated, monitored, and troubleshooted Hive and Impala service and jobs failures, commissioning and decommissioning of data nodes using Cloudera Manager Enterprise and rebalancing of Hadoop Cluster, removing missing and corrupt blocks from HDFS, generating charts and Reports for Weekly and Monthly Report, reporting cluster status with resource utilization, Issues/risk, and Service now incidents, based on weekly and monthly. Robin also used Service now for incident management and change management like minor and standard changes for service as per the SLA following with ITIL managements. He performed Hadoop Configuration and Database backup, Cloudera manager, and CDH/CDP upgrade, applying Cloudera patches to resolve the bug issue using Cloudera Manager, modifying Hadoop configurations using Cloudera manager, raising Cases using Cloudera Support Portal and coordinating with Cloudera Support through Webex session for further analysis and troubleshooting issues, generating Diagnostic Bundle, and Uploading on Cloudera Cases. He also co-ordinated with cloudera support and resolved the issues, debug/troubleshoot environment failures/downtime, and troubleshooting job failures using Job History server UI and Hadoop log files. Robin performed data migration from RDBMS to HDFS and vice