Radha Harika

Project - Global Bigdata Services (GBDS)

• Responsible for implementation and Administration of existing Hadoop Infrastructure
• Cluster Maintenance
• File System Management & Monitoring
• Working with data delivery teams to setup new Hadoop users, which includes Creation of users in Active Directory , setting up Kerberos principles , Creating Ranger policies for Hdfs and Hive Access.
• Collaborating with Linux , Patching , Network and Backup teams
• Data ingestion - support ingestion by scheduling control M Jobs and fixing issues
• Creation of Sftp users for new ingestions and scheduling Jobs using chronox tool
• Creating Disk Drives , setting up new users and onboard new projects , creating source and target connections for new ingestions
• Monitoring and fixing Java Micro services which are responsible for a smooth ingestion of data
• Alerting & Monitoring using Ansible and AppDynamics

Project – BDPaaS (BigData platform as a Service)

Client – State Farm

BDPaaS provides Hadoop, NoSql database and stream processing software with a fully managed, as a Service delivery and support model

Responsibilities:

• Involved in Hadoop cluster setup, performance fine-tuning, monitoring, structure planning, scaling and administration
• Responsible for cluster maintenance, adding and removing cluster nodes, cluster monitoring and troubleshooting, manage and review data backups, manage and review Hadoop log files
• Implementing and Monitoring of Changes during Change management
• Responsible for troubleshooting and development on Hadoop technologies like HDFS, Hive, Pig, Flume, MongoDB, Sqoop
• Experienced in managing and reviewing Hadoop log files
• Installation of various Hadoop Ecosystems and Hadoop Daemons
• Fine tune applications and systems for high performance and higher volume throughput, Zookeeper, Spark, MapReduce, YARN, and HBase
• Monitoring and troubleshooting Linux memory, CPU, OS, storage and network issues
• Involved in Data migration between Hadoop clusters
• Involved in communicating effectively with the Onsite Team and coordinating the offshore team activities accordingly
• Involved in Analyzing system failures, identifying root causes, and recommended course of actions
• Automate manual Tasks (Using Shell Scripts and Splunk alerts)