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Hadoop Admin Resume

Washington, DC

SUMMARY:

Over 12 years’ experience in IT as an Cloudera Hadoop Admin,Oracle Developer/DBA, experienced in both Production/Development/Testing environments and also experienced on Hadoop/Big Data/Java/Python and migration on AWS . Also involved developing ETL jobs and working with automation and manual/backend testing. Finally maintained on Nexidia Audio application which run based on MS SQL Server.

SKILL:

  • Talend Open Studio
  • Oracle 10g and 11g/12c Database Administration
  • Oracle RAC & ASM Administration/Installation
  • Performance Tuning
  • Backup and Recovery
  • Primary/Standby/Failover Administration(Data Guard)
  • Data Modeling
  • PL/SQL
  • Disaster Recovery
  • EC2
  • RDS
  • VPC
  • REDSHIFT
  • S3
  • CloudFront
  • MapReduce
  • Pig
  • Hive
  • Sqoop
  • Oozie
  • Flume
  • Big Data Infrastructure
  • Hbase
  • Spark
  • Python

PREFESSIONAL EXPERIENCE:

Confidential, Washington, DC

Hadoop Admin

Responsibilities:

  • Involved in all phases of Software Development Life Cycle (SDLC) and Worked on all activities related to the development, implementation, administration and support for Hadoop.
  • Installed and Configured Apache Hadoop clusters for application development and Hadoop tools like Hive, Pig, HBase, Zookeeper and Sqoop.
  • Implemented multiple Map Reduce Jobs in java for data cleansing and pre - processing.
  • Worked with the team to increase cluster, the configuration for additional data nodes was done by Commissioning process in Hadoop.
  • Responsible for Cluster maintenance, adding and removing cluster nodes, Cluster Monitoring and Troubleshooting, manage and review data backups and log files.
  • Worked with systems engineering team to plan and deploy new Hadoop environments and expand existing Hadoop clusters.
  • Managed and scheduled Jobs on a Hadoop cluster.
  • Involved in defining job flows, managing and reviewing log files.
  • Collected the log data from web servers and integrated into HDFS using Flume.
  • Involved in HDFS maintenance and administering it through Hadoop-Java API.
  • Created and maintained Technical documentation for launching HADOOP Clusters and for executing Hive queries and Pig Scripts.
  • Experience in managing and reviewing Hadoop log files.
  • Worked on setting up the Kerberos installation.
  • Installed Oozie workflow engine to run multiple Hive and pig jobs.
  • Analyzed large amounts of data sets to determine optimal way to aggregate and report on it.
  • Supported in setting up QA environment and updating configurations for implementing scripts with Pig and Sqoop.
  • Worked on tuning the performance Pig queries.

Environment: Hadoop, Map Reduce, Spark, Kafka, HDFS, Zoo Keeper, Hive, Pig, Core Java, Eclipse, Hbase, Sqoop, Flume, Oracle 11g, Knox, SQL, SharePoint, UNIX Shell Scripting.

Confidential, Washington, DC

Data Analyst

Responsibilities:

  • Oracle Installation in Centos environment
  • Oracle Patch in Centos environment
  • Lead role on Oracle DBA Administration
  • Import and export Oracle dump file
  • Nexidia Audio Ingestion and metadata configuration
  • Developed PL/SQL to convert blob data into appropriate type file documents
  • Developed python code to ingest and extract data from Oracle database
  • Developed java program to read data from different files and published a report
  • Developed ETL jobs to merge multiple thousand files into single file and also process the file to input for another system.

Confidential

Hadoop Admin

Responsibilities:

  • Experience in installation, configuration, supporting and managing Hadoop clusters using CLOUDERA distribution.
  • Experience in Cloud Environments like Amazon AWS and its segments like EC2, S3,
  • Configured 100 GB of everyday growing data, commonly known as Data In Motion and sources of data endpoints like Applications, Logs, Sensors, RDBMS with Capacity Planning.
  • Loading Data at Rest from Tape Drives, NAS, SAN, S3.
  • Working with Data Integration, Data Ingestion, Data Pipelining Team with streamsets.
  • Ingestion of RDBMS data on the cluster in the secured environment with compliance
  • Governance principles like Authentication, Authorization and Accounting using Kerberos, Data Encryption, JVM encryption, Sentry, ACL and Active Directory.
  • Working in HA environment of HDFS and YARN where we have concurrent jobs are running.
  • Setting up, Installing, configuring, maintaining and monitoring HDFS, YARN, Sqoop, Hive, Hue.
  • Capacity and Cluster planning for Hadoop cluster.
  • Setting up, installing, and configuring Hadoop Security using Kerberos.
  • Installing and configuring Sentry for Authorization.
  • Enabled High Availability for Namenode and Resource Manager.
  • Commissioning and Decommissioning the nodes in the Hadoop cluster.
  • Experience in Performance tuning, cluster monitoring and troubleshooting.
  • Answering service requests from users through ticketing tool.
  • Configured Policy for Trash, Replication, Meta Data Backup and Snapshots, Data Retention Policy, Storage Policy, user Quota Policy, Data Compression like snappy To rebalance the data on the cluster.
  • Backups, snapshots and recovery from node failure.
  • Importing / Exporting data to/from RDBMS.
  • Loading data from S3 to HDFS and vice versa.
  • Performing Distributed copy between clusters.
  • To set priority of jobs on request from any particular team.
  • To recognize and kill the jobs which are stuck and not progress to maintain the clusters
  • Performance.
  • Troubleshooting, diagnosing, tuning cluster and reporting to senior administrator.
  • Setting up Alerts for services in Hadoop Eco-system.
  • Report generation of running nodes using various benchmarking operations.
  • Provided support in creation of POC for Hadoop deployment decision.
  • Communicated all issues and participated in weekly strategy meetings.

Confidential, Chevy Chase, MD

Senior IT Specialist

Responsibilities:

  • Play a lead role in NOC data services management, multi-node cluster management, and distributed data center management
  • Design, Implement, and Participates in the disaster recovery process and database backups in Solaris.
  • Responsible for capacity planning, space management, problem resolution, database monitoring and performance tuning of Production Databases.
  • Installation, Upgrade and Configuration of Oracle (8i, 9i, 10g).
  • Upgrading the Oracle Server to 8i and 9i and 10g
  • Oracle9i ETL supplies robust ETL infrastructure right in the database
  • Storage Management Managing Space, Tablespaces, Segments and Extents, Rollback Segments and Data Dictionary.
  • Played the key DBA role in conversion of data from legacy systems to Oracle database.
  • Supported and troubleshoot Applications running on Web Logic, OLTP.
  • Used Transparent Application Failover (TAF) to configure type and method of failover for each Oracle Net client.
  • Synchronized Transparent Application Failover (TAF) with Oracle 11g RAC.

Confidential, Washington, DC

Senior IT Specialist

Responsibilities:

  • Installing and configuring of Recovery Manager.
  • Completed Migration of Oracle Databases from AIX IBM machines to Sun Sparc Servers as well as with Linux.
  • Expertise in Scheduling Control-m for scheduling jobs
  • Security User Management, Privileges, Roles, Auditing, Profiling, Authentication.
  • Backup and Restore on-line and off-line backup planning, procedure, exp/imp, restores process.
  • Used Oracle Internet Directory to leverages the scalability, high availability and security features of the Oracle database
  • Extensive Performance Tuning, and Memory (SGA) Tuning.
  • Configured Oracle data Guard and OID (Oracle Internet Directory).
  • Working with Blobs and Clobs, Materialized views with Query Rewrite, and Bitmapped Indexes.
  • Applying Patches both Server side and Client side.
  • Cloning databases.
  • Setting up new environments (Development, Test, and Production)
  • Setting up advanced replication.
  • Taking Hot and Cold Backups, and Exports.
  • Setting and Installing Oracle Enterprise Manager and Enterprise Backup Utility.

Confidential, Bethesda, MD

Senior Automation Tester

Responsibilities:

  • Involved with NESS Application to automate the whole process.
  • Involved with backend testing
  • Involved with Automation Framework
  • Involved with Manual Testing

Confidential, Cleveland

Oracle Backend Tester

Responsibilities:

  • Conducted Manual testing, Test Validation. Supported various QA Test Cycles and Production Cycles independently.
  • Extensively developed SQL queries and performed Backend testing for WEB/Internet Applications.
  • Involved with receiving HIPPA Training and,
  • Used TestDirector for maintaining Defect Cycle (creation, reporting, fixing, retesting and closing).

Environment: Windows XP Professional, SQL, Oracle, Test Director

Confidential, Washington, DC

Software Quality Analyst

Responsibilities:

  • Testing the Application Manually and Automation with QTP
  • The executing and scheduling of test cases was done using Test Director.
  • Involved in Creating parameterization, Check Points and Data Driven Testing using QTP.
  • Performed Smoked, GUI, Functional and Regression Testing of the Application.
  • Generated reports for test metrics in each build upper management.
  • Performed manual testing for the entire application and reported the defects to the developer through TestDirector
  • Performed developing additional automation script using QTP and defect management using Test Director

Environment: Window NT, Zope Server, Plone, HTML, XML, Test Director and QTP

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