Murugesan Thangaraj Email & Phone Number

Chennai Area, India

• Hadoop cluster Design, Installation, Capacity planning, Configuration, fine tuning, Optimization and Administration.• Expert on HDFS, YARN (MRv1 & MRv2), Hive, HBase, Impala, Zookeeper and Hadoop Eco-systems.• Managing 500 nodes cluster for Production and various non production clusters.• YARN – MRV1 to MRV2 Migration on YuMe software platform.• Handling high severity production issues.• Cluster performance analysis and fine tuning the cluster.• Cloudera CDH Major Upgrade: CDH 4.4 to 5.1 and subsequent Minor upgrades to 5.16.1• Scaling the cluster based on the Product requirements.• Hadoop Cluster - High Availability for Name nodes to prevent single point of failures.• Fair scheduler implementation on YARN.• Ensure data distribution by running HDFS Balancer.• Hadoop cluster monitoring using various tools - Ganglia, Nagios, Hannibal and Cloudera Manager.• Hadoop Security - Kerberos implementation on Hadoop cluster for authentication and authorization.• Sentry implementation for RBAC (Role Based Access Control).• Closely working with ETL/DT Ops/Data Science and BI teams to resolve business critical issues.• Handling data ingestion issues around ETL framework.• Handling data migration between the Hadoop clusters.• Knowledge on Spark and Kafka.• Knowledge in AWS - EC2, EBS, S3, RDS.• Backing up source truth of files into S3 – Analytics and Recovery cases.• Handling Java application issues and Troubleshooting.• Build and Deployment on various environments for YuMe’s software platform.• Played key role in Tomcat Migration: Major and Minor releases on Production and non-production environments.• Participating in onsite/offshore status calls for new Implementations.• Creating SOP documents and mentoring team.• Good knowledge of Shell Scripting skills.• Exploring NoSQL databases – Mongo DB, Redis and Aerospike.• Supporting incidents, service request, and problem using JIRA.

Chennai Area, India

• Configured and maintaining NIS, DNS and DHCP servers.• Maintenance of the www.ihabilis.com infrastructure and server management.• Configured and maintaining Send mail, Dovecot, squirrel mail servers.• Installing and configuring VMware workstation, VMware Server.• Monitoring the Apache Web Servers and Database server.• Installation of application software and troubleshooting hardware issues.• Package Management by using RPM and YUM.• Installing and Configuring Samba server Windows to Linux interoperability.• Implementation of PXE boot, Kickstart network installations.• Implementation of MySQL Replication setup.• Handling Asterisk, Trixbox, VoIP servers.• Implementation of SVN server.• Handling Severity ticket on time and meet SLA.• Configured and manage Cacti monitoring tool to monitor server’s health.• Troubleshooting server related issues by analyzing the various log files.• Handling Software and Hardware firewalls. (Endian, Fortigate).• Providing 247 on-call support.• Developed Shell scripts for Backup and Recovery.• Monitoring Bandwidth utilization by using Firewall Analyzer.

Chennai Area, India

• Installation and Configuration Linux OS flavors such as RHEL, Fedora, Centos.• User and Group Administration.• Configuration NIS/NFS/Booting Concepts, Kernel re-compilations.• Installation and configure Apache with PHP and MYSQL.• Implementation of Open fire Chat Server.• Implementation of OS Ticket ticketing system.• Create repository software with YUM.• Disk Space Management by using LVM.• Domain registration and management.• Configuring VNC server and client.• Installing on a single system or on multiple systems simultaneously with Kickstart.• Arranging Linux Lab according to the project requirement.• Backup and recovery, Job scheduling by CRON.• Managing network printers and network Shares.• Remotely connect to servers, applications, network devices to troubleshoot faults.• Tracking of Asset Movement by using OCS Inventory Software.• Strong ability to solve problems and troubleshoot.• File system management and network configuration.

Chennai Area, India

• Responsible for the day-to-day running of the system infrastructure of the Helpdesk system such as technical support & system software.• Installation and Configuration of Linux servers.• File system Management.• User and Group Administration.• Automating tasks with scripts and scheduling them with crontab.• Integrating workstation as a client to the network services including NIS, DHCP.• Configuring VNC server and client.• Install Adobe, Microsoft & Symantec anti-virus.• Strong network concepts of TCP/IP.• Desktop management and Asset management.• Software Auditing.• Configuring and Troubleshooting win2k/XP desktops and Outlook 2 k/2003.• Handling network printers.• Perform system maintenance activities.• Knowledge on remote tools Team ware, Putty, Dam ware.