OBJECTIVE:

To achieve a position in corporate world as deemed suitable to my skills, abilities and to hone my skills by working in a dynamic environment leading to both personal and organizational growth.

PROFESSIONAL SUMMARY:

• 4+ years of experience in Backup & Storage administration.
• 1.8 months of experience in administration of Big Data Technologies & Hadoop.
• Good knowledge on data warehousing and DBMS techniques.
• Hadoop cluster planning and implementation.
• Writing Oozie workflows and configuring Sqoop.
• Build Hadoop cluster using MapR Technologies and as well as using Hortonworks.
• Configuring, managing & tuning of HDFS with MapReduce (v1)/Yarn (v2) architecture with High - Availability.
• Excellent understanding / knowledge of Hadoop architecture and various components such as HDFS, Job Tracker, Task Tracker, NameNode, Data Node, Yarn, HBase, Hive, Sqoop, Pig, Zookeeper and MapReduce.
• Adept at mapping client requirements, custom designing solutions & troubleshooting for complex software related issues.

TECHNICAL SKILLS:

Big data/Hadoop: HDFS, Map Reduce, YARN, HIVE, PIG, HBase, Sqoop, ZooKeeper, Spark, Oozie.

Backup Technologies: EMC Networker, Commvault, HPDP, Symantec Backup Exec.

Scripting Languages: Shell script.

Database: Oracle, MySQL.

Web Development Tools: HTML.

Distribution Management: MapR, Hortonworks, Apache Hadoop.

Operating Systems: RHEL (5,6,7), Ubuntu, Windows (2008,2012).

PROFESSIONAL EXPERIENCE:

Confidential

Hadoop Admin

Responsibilities:

• Installed and configured multi-nodes fully distributed Hadoop cluster of large number of nodes.
• Worked exclusively on Dev, Test and DR clusters with 950 nodes being the largest cluster.
• Addressing and Troubleshooting issues on daily basis in MapR environment.
• File system management and monitoring.
• Provided Hadoop, OS, Hardware optimizations.
• Installed and configured Hadoop ecosystem components like Map Reduce, Hive, Pig, Sqoop, HBase, Zookeeper and Oozie.
• Involved in testing HDFS, Hive, Pig and Map Reduce access for the new users.
• Cluster maintenance as well as creation and removal of nodes using MCS and CLI.
• Worked on setting up high availability for major production cluster and designed automatic failover control using zookeeper and quorum journal nodes.
• Implemented capacity scheduler to allocate fair amount of resources to small jobs.
• Configured Oozie for workflow automation and coordination.
• Implemented rack awareness topology on the Hadoop cluster.
• Importing and exporting structured data from different relational databases into HDFS and Hive using Sqoop.
• Configured Zookeeper to implement node coordination, in clustering support.
• Rebalancing the HDFS on MapR configured Hadoop Cluster.
• Allocating the name and space Quotas to the users in case of space problems.
• Managing MapR cluster performance issues.
• Backed up data on regular basis to a remote cluster using Mirroring technologies.
• Regular Commissioning and Decommissioning of nodes depending upon the amount of data.
• Maintaining Cluster in order to remain healthy and in optimal working condition.
• Handle the upgrades and Patch updates.
• Closely working with Development team on job failure issues.
• Working with Linux on Disk failure issues.
• Creating Maprusertickets and files as per the requirement for user access.
• Creating HDFS directories as per the requirement and mapping it to project volumes.
• Working with MapR support on critical issues.
• Migrating admin and data nodes from RHEL6 to RHEL7 with help of OS team
• Working experience with GIT HUB and Puppet

Environment: Hadoop 2.7, MapR 5.2, MapR 6.1, Spark1 & 2.2, Hive 2.1, Oozie 4.3.0, Pig 0.16, Hbase 1.7, RHEL 6&7.

Confidential

Consultant

Responsibilities:

• Installation and maintenance of backup/recovery client and server software in Unix (Solaris, HP-UX, AIX), Linux and Windows (Windows 2003/2008/ 2008 R2) operating systems.
• Configuring backup and recovery in VM machines, RMAN, MSSQL, NDMP and Exchange databases.
• Configuring VADP proxy server and VM client machines.
• Worked on Hadoop basic installation setup and Apache POC.
• Worked on Job tracker, Task Tracker, testing traditional data migration to Hadoop using connector jars.
• Configuring backup policies, media sets, disk volumes (AFTD) and tape libraries using NMC.
• Managing Disk volumes and worked in DD.
• Logging call with hardware and software vendor support personnel to efficiently resolve any issues with systems being maintained.
• Management and Administration of 5 master servers and over more than 8000 host machines of various operating systems spread across 70+ customers in North America region.
• Handled a dedicated customer for Commvault technology thereby with the same above backup & storage expertise.
• Regular follow ups of the Problem tickets with timely updates, finding out the RCA (root cause analysis) and sorting the issue by fixing it and seeing that it’s not re-occurring.
• At times of Risk observed in the issue frequently, raise a Change ticket immediately with a ECO (Emergency Change), getting it approved from the Business Unit heads and implementing the change to resolve the issue for a long fix.
• If ECO implementation takes time, then update it in the Risk Register & intimate the business about the challenges against the Risk.

Confidential

Senior Analyst

Responsibilities:

• Providing end to end support in EMC Networker backup and recovery
• Professional experience in installing and maintaining EMC Networker backup and recovery software and upgrading to latest technologies.
• Capacity planning based on the backup growth and implementing the plan based on the client requirement
• Identify opportunities for improving systems in terms of Backup Time Optimizing, Minimize Errors that increase resilience.
• Troubleshooting the backup failures of client machines at instant and thereby ensuring up to date backup data.
• Creating problem management tickets for reoccurring failures and providing a permanent fix and root cause for the failure to the client.
• Working on Problem management and Risk management, raising risk in critical situations and updating it in Risk register.
• Preparing SOP for EMC Networker modules backup.
• Planning, Implementing, and validating the on-going maintenance in backup and recovery.
• Worked in both Windows and Linux based backup servers.
• Performing DR drill periodically.