SUMMARY

• Over 14+ years of professional IT experience this includes experience in Big D Confidential ecosystem & SAP Administration.
• Excellent Experience in Hadoop architecture and various components such as HDFS, YARN and MapReduce programming paradigm.
• Hands on experience in Installing, Configuring, Troubleshooting and Developing using Hadoop & ecosystem components like MapReduce, HDFS, Hive, Pig, Sqoop, Spark, Flume, Kafka, Storm & Elastic Search.
• Experience in Hadoop Cluster monitoring the troubleshooting using tools such as Ganglia & Nagios.
• Experienced in designing, implementing and managing Secure Authentication mechanism to Hadoop Cluster with Kerberos.
• Experienced in Apache Centri in Access Control and Authorizations.
• Experienced in working with Ranger in enabling metad Confidential management, governance and audit.
• Experience with AWS Cloud (EC2, S3 & EMR).
• Experienced in installation, configuration, troubleshooting and maintenance of Kafka & Spark clusters.
• Experienced in installation, configuration and maintenance of Elastic Search cluster.
• Worked on ingesting log d Confidential into Hadoop using Flume.
• Experience in managing and reviewing Hadoop log files.
• Extensive experience in writing Map Reduce, Hive, PIG Scripting.
• Experience in importing and exporting d Confidential using Sqoop from HDFS to Relational D Confidential base Systems and vice - versa.
• Excellent understanding and knowledge of NOSQL d Confidential bases like MongoDB, HBase, and Cassandra.
• Implemented setting up standards and processes for Hadoop based application design and implementation.
• Experience in managing Hadoop clusters using Cloudera Manager Tool (CDH4& CDH5) & Ambari.
• Experience in Administering, Installation, configuration, troubleshooting, Security, Backup, Performance Monitoring and Fine-tuning of Redhat Linux.
• Create and implement shell and PL/SQL scripts to automate BAU tasks, configure scheduler jobs using CA tools.
• Ability to adapt to evolving technology, strong sense of responsibility and .

PROFESSIONAL EXPERIENCE

Confidential

SR HADOOP ADMINISTRATOR

Responsibilities:

• Responsible for building scalable distributed d Confidential solutions using Hadoop
• Implemented multiple CDH5 Hadoop clusters on Redhat Enterprise Linux.
• Resource management of Hadoop Cluster including adding/removing cluster nodes for maintenance and capacity needs.
• Responsible for monitoring the Hadoop cluster using Zabbix/Nagios.
• Involved in upgrading all the Hadoop components to the latest versions.
• Worked on designing, implementing and managing Secure Authentication mechanism to Hadoop Cluster with Kerberos.
• Implemented Apache Centri in Access Control and Authorizations.
• Working on Ranger in enabling metad Confidential management, governance and audit.
• Worked on monitoring Hadoop cluster and different big d Confidential tools including Flume, Oozie & Kafka.
• Performed backup of metad Confidential at regular intervals and other maintenance activities such as balancing the cluster, and HDFS health check.
• Responsible for maintaining the clusters in different environments.
• Involved in upgradation process of the Hadoop cluster from CDH4 to CDH5.
• Installed and configured Flume, Oozie on the Hadoop cluster.
• Managing, defining and scheduling Jobs on a Hadoop cluster.
• Worked on installing cluster, commissioning & decommissioning of d Confidential node, namenode recovery, capacity planning, and slots configuration.
• Worked with different file formats such as Text, Sequence files, Avro, ORC and Parquette.
• Analysis on implementing Spark using Scala/Python/Java.
• Implemented indexing for logs from Oozie to Elastic Search.
• Analysis on integrating Kibana with Elastic Search.
• Monitoring the log flow from LM Proxy to Elastic Search-Head
• Responsible to manage d Confidential coming from different sources.
• Experienced on loading and transforming of large sets of structured, semi structured and unstructured d Confidential .
• Worked on NOSQL d Confidential base Mongo DB.
• Experience in managing and reviewing Hadoop log files.
• Analyzed large amounts of d Confidential sets to determine optimal way to aggregate and report on it.
• Supported in setting up QA environment and updating configurations for implementing scripts.

Confidential

Technical Team Lead

Responsibilities:

• As SAP Technical Lead created technical implementation plan, upgrade approaches, technical issues tracking, technical documentations, project and process documentation, SAP testing (performance, Regression, DR, Backup / recovery, User connectivity, Environment Overview etc.) and work with SAP basis team for successful go lives
• Coordinated PM’s, SAP Functional team, SAP Basis team & Production Support teams on all technical issues and resolutions.
• Systems strategist and Architect for planning for current and future business needs.
• Worked with leadership team and made significant contribution to Applications and Infrastructure goals.
• Managed SAP basis turnkey projects from planning through the design and solution deployment with significant value of cost saving, quality and on time delivery.
• Ensured best of the class technology standards to assure high quality and stable systems.
• SAP Full life cycle projects: Led multiple SAP BASIS full life cycle implementation projects on multiple hardware and d Confidential base versions.
• SAP Technical Projects: Led multiple SAP project Upgrades, Support Packs and Kernel upgrade projects.
• SAP Security: Led and managed Security Roles development by keeping and Segregation of Duties (SoD) guidelines, Supported unit and user testing.
• SAP BASIS Administration: Led projects on operational integrity of SAP systems. Developed SAP standard policies and procedures for improving the operational integrity. Developed OS, SAP, and DB maintenance processes including work instruction sheets to help build consistent methodology, and to help with systems performance with reduced downtime
• Support Strategies: Developed Help desk procedures, On-Call procedures, Escalation procedures and System maintenance windows. Implemented SLA’s, Incident and problem management and monitoring process for customer issue resolutions.
• Change Management: Developed and led change and release management projects with clear procedure and controls to reduce system or application downtime and operational integrity.