Senior Hadoop Administrator Resume

SUMMARY

Senior Hadoop administrator with a rich experience in Hadoop technologies and distributed platform support (both Cloudera and Hortonworks)
Rich Experience in Applications support and Infrastructure monitoring.
Computer Science background with a varied experience ranging from Mainframe/DB2 to Big data and Cloud/ML/AI technologies.
Able to work independently as well in a team environment.

PROFESSIONAL EXPERIENCE

Confidential

Senior Hadoop Administrator

Responsibilities:

Supporting the Data platform/Cloudera cluster and applications.
Data Analysis and visualization using Splunk to monitor logs for the application and create alerts for the major exceptions.
Supporting Apache NIFI and Streamsets for data pipelines
Supporting Hive and Impala services and query optimization.
Perform Kafka Administration and support for the applications.
Perform Cloudera distribution upgrade in Cloudera environments.
Providing Infrastructure support using New Relic for the servers and databases
Supporting Linux security patching for AWS EC2 instances
Supporting the Spark jobs running on the clusters
Using ranger for Access authorization in CDP private cloud
Automate the monitoring tasks using Unix shell scripts.
Doing builds for the new code to be pushed into environments.

Confidential

Hadoop Administrator

Responsibilities:

Maintaining Cloudera clusters and services and troubleshoot Cloudera Manager alerts to ensure the services are healthy across the clusters
Monitor RFB alerts and investigate the issues as reported by the RFB dashboard.
Working closely with the Hadoop Engineering team to collaborate and work out the solutions and report the issues
Linux administration skills to spinning up bare metal VMs to adding it as edge node to the cluster
Doing RCA for the production and QA issues and working with Cloudera Vendor if needed to troubleshoot the issues.
Decommissioning the clusters and adding the edge nodes to the clusters as requested
Working on Service Now tickets for production issues and JIRA tickets for Dev

Confidential

Senior Hadoop Support Engineer

Responsibilities:

Managing Hadoop clusters and services and responsible for daily issues and administration
Worked on Hbase data migration and Spark job issues.
Worked on Impala queries and Hive tables using S3 and HDFS
Evaluating new distributions of Cloudera and identifying issues and work on resolving those with Vendor.
Troubleshooting issues in the execution of users jobs in Hadoop compute layer
Creating and maintaining UNIX scripts to automate the various reports.
Linux administration skills for installing/managing the Cloudera packages
Working on service manager tickets for production issues and JIRA tickets for Dev

Confidential

Senior application support analyst

Responsibilities:

Supporting the business - critical applications ensuring minimal downtime.
Using Splunk to check application servers and web server logs for errors and exceptions.
Creating Unix alerts, scripts, and reports to identify issues earlier and minimize customer impact.
Monitoring the market feedback to identify the customer concerns and generate feedback reports to be sent to management.
Ensure the Data Warehouse feeds are properly generated and transferred to DWH.