PROFESSIONAL SUMMARY:

• 6 years experience in Software Development Life Cycle (SDLC) and Software Engineering including Requirement Gathering, Analyzing, Designing, Implementing, Testing, Support and Maintenance
• Have experience with Hadoop Ecosystem including HDFS, MapReduce, PIG, HIVE and HBase.
• Have experience in installing, configuring and administrating Hadoop cluster for major Hadoop distributions.
• Have experience in working with Hadoop in stand - alone, pseudo and distributed modes.
• Experience in importing and exporting data from different RDBMS like MySql, Oracle and SQL Server into HDFS and Hive using Sqoop.
• Experience in developing custom Map-Reduce programs using Apache Hadoop to perform Data Transformation and analysis as per requirement.
• Strong competency in HIVE Schema design, Data imports and Analysis.
• Hands-on experience in writing Pig Latin scripts, working with grunt shell and job scheduling with Oozie.
• Experience in Design & Development, tuning and maintenance of NoSQL databases.
• Experience in working with NoSQL databases like HBase.
• Strong understanding of Data Modeling and experience with Data Cleansing, Data Profiling and Data analysis.
• Excellent experience in ETL analysis, designing, developing, testing and implementing ETL processes including performance tuning and query optimizing of databases.
• Excellent experience in extracting source data from Sequential files, XML files, Excel files, transforming and loading it into the target data warehouse.
• Expertise in Java/J2EE technologies such as Core Java, JDBC, HTML, JavaScript, JSON
• Have noledge of Python programming.
• Proficiency in programming with different IDE's like Eclipse, NetBeans and Canopy.
• Involved in database design, creating Tables, Views, Stored Procedures, Functions, Triggers and Indexes.
• Have hands on experience on various DB platforms like Oracle, MySQL, DB2 and MS SQL Server.
• Experience in deploying applications in heterogeneous application servers TOMCAT and WebLogic.
• Good understanding of service oriented architecture (SOA) and web services like XML, XSD, XSDL, SOAP
• Experience in object oriented analysis and design (OOAD), unified modeling language (UML) and Agile Methodologies.

TECHNICAL SKILLS:

Hadoop Ecosystem: HDFS, MapReduce, Hive, Pig, Zookeeper, Sqoop, Oozie, Flume

Languages: C, Java, PigLatin, Shell Scripting

Operating Systems: Windows Variants,UNIX, LINUX

Database: Oracle 11g/10g/9i, MySQL, Postgresql

IDE Tools: Eclipse, Net Beans, SQL Developer, MS Visual Studio

Version Control: Git

Software Tools: MS Office Suite(Word, Excel, Project),MS Visio, Rational Rose, Apache Maven

Web Technologies: HTML, CSS, XML, JSP

Monitoring Tools: Ganglia, Nagios and Cloudera Manager, Ops Center

Application Servers: Apache Tomcat

WORK EXPERIENCE:

Hadoop Engineer

Confidential, CA.

Responsibilities:

• Having 7 plus years of professional IT experience which includes 2.5 years of proven experience inHadoopAdministration using Cloudera(CDH) and Hortonworks(HDP) Distributions and, 4.5 years in oracle Database Administration.
• Knowledge of multiple distributions/platforms (Apache,Cloudera,Hortonworks).
• Experienced in installation, configuration, supporting and monitoring 100+nodeHadoopcluster using cloudera manager and Hortononwworks Ambari distributions.
• Have experience in installing. configuring, performance tuning and administratingHadoopcluster for majorHadoopdistributions like CDH 4, HDP 2.2.0
• Experienced in mappingHadoopclusters and services using cloudera manager and Hortonworks ambari.
• Experience in upgrading HortonworksHadoopHDP2.2.0 and Mapreduce 2.0 with YARN in Multi Clustered Node environment.
• Extensive noledge onHadoopHDFS architecture and MRv1, MRv2 (YARN) framework.
• Experienced in optimizing Hbase running on multi node cluster.
• Imported logs from web servers with Flume to ingest the data into HDFS.
• Created Hive tables and loaded the data into tables and query data using HQL.
• Manage & review ofHadooplog files.
• Installed and configured Spark on multimode environment.
• Experienced in Rebalancing a HDFS Cluster
• Extensive noledge in using job scheduling and monitoring tools like Oozie and Zookeeper.
• Performance Metrics and Reporting. Fine tuning of Apache.
• 4.5 years of experience as Oracle DBA (12C, 11G and 10G) on various platforms SUN Solaris, RHEL, Oracle Enterprise Linux and Windows
• Installed and Tested databases on 12C to help Migrate from 11G to 12C.
• Specialized in Migration of Oracle databases from Oracle 8i, 9i, 10G to the latest releases - Oracle 12C and 11G.
• Strong Troubleshooting skills, understanding RAC Approach.
• Proficient in Oracle DBA - Installation of Oracle RAC, ASM and disaster recovery data guard setup and Streams configuration. Designing & Testing of database, administration, backup & recovery strategy implementation according to the volatility of the data, user management, performance monitoring/tuning and database security.
• Experience on Oracle Identity Management Tools.
• Exposure to Basic Architecture of 11G OAS, Installation, up gradation, Cloning, Patch Application of databases of all versions.
• Excellent interpersonal, collaboration, and problem solving skills

Big Data Engineer

Confidential, CA.

Responsibilities:

• Installed and configured various components ofHadoopecosystem and maintained their integrity
• ManagedHadoopclusters: setup, install, monitor, maintain.
• Planning for production cluster hardware and software installation on production cluster and communicating with multiple teams to get it done.
• Designed, configured and managed the backup and disaster recovery for HDFS data.
• Commissioned DataNodes when data grew and decommissioned when the hardware degraded.
• Migrated data across clusters using DISTCP.
• Experience in collecting metrics forHadoopclusters using Ganglia and Ambari.
• Experience in creating shell scripts for detecting and alerting problems system.
• Monitored multiplehadoopclusters environments using Ganglia and Nagios. Monitored workload, job performance and capacity planning using Ambari.
• Performed data analytics in Hive and tan exported dis metrics back to Oracle Database using Sqoop.
• Designed workflow by scheduling Hive processes for Log file data which is streamed into HDFS usingFlume.
• Conducting root cause analysis and resolve production problems and data issues.
• Installed and configured Hive, Pig, Sqoop and Oozie on the HDP 2.2.0 cluster.
• Involved in implementing High Availability and automatic failover infrastructure to overcome single point of failure for Namenode utilizing zookeeper services.
• Implemented HDFS snapshot feature.
• Performed a Major upgrade in production environment from HDP 1.3 to HDP 2.2.0
• Worked with big data developers, designers and scientists in troubleshooting map reduce job failures and issues with Hive, Pig and Flume.
• Configured custom interceptors in Flume agents for replicating and multiplexing data into multiple sinks.
• Administrating Tableau Server backing up the reports and providing privileges to users.
• Worked on Tableau for generating reports on HDFS data.
• Installed Ambari on existingHadoopcluster.

Environment: Hortonworks Data Platform (HDP1.3 & HDP 2.2.0), Hive, Pig Latin Ambari, Cassandra, Tableau and ParAccel

Linux Administrator

Confidential

Responsibilities:

• Installation, configuration, maintenance, administration, and support on Solaris / Redhat Linux.
• Responsible for maintaining the integrity and security of the enterprise UNIX (Linux /Solaris) servers and systems.
• Installation and configuration of HA environment using Sun or VERITAS Cluster.
• Image machines using Jumpstart /Kickstart to install Solaris 10 and Red Hat Enterprise Linux.
• Installation and configuration of Solaris Zones.
• Maintains a disaster recovery plan. Creates backup capabilities adequate for the recovery of data and understands concepts and processes of replication for disaster recovery.
• Maintains DNS, NFS, and DHCP, printing, mail, web, and FTP services for the enterprise.
• Manages UNIX account maintenance including additions, changes, and removals.
• User administration for all the NIS users.
• Forecast storage needs. Work with the site management to determine future disk requirements.
• Works with the application teams and other IT department personnel to coordinate system software changes and support application changes
• Unix - to-Windows interoperability and configurations.
• Debug and correct installed system software as required.
• Automating system tasks using Puppet.
• Configuring NFS, NIS, DNS, Auto-mounter and disk Space management on SUN servers.
• Troubleshooting issues related to DNS, NIS, NFS, DHCP, SENDMAIL on Linux and Solaris Operating Systems.
• Working noledge on the TCP/IP protocols RSH, SSH, RCP, SCP.
• Operating system support - Windows RHEL4/5/6, SLES10/11.
• Install and Configure Virtual Machines (VM), VM tools on ESX boxes from the GUI and console.

Environment: Solaris, Redhat, SENDMAIL, VERITAS Volume Manager, Sun and VERITAS Clusters, Shell Scripting

Confidential

Java Developer

Responsibilities:

• Installation, Configuration, upgradation and administration of Sun Solaris, Red - Hat Linux.
• User account management and support.
• Jumpstart &Kick-start OS integration, DDNS, DHCP, SMTP, Samba, NFS, FTP, SSH, LDAP integration.
• Responsible for configuring and managing Squid server in Linux.
• Configuration and Administration of NIS environment.
• Managing file systems and disk management using Solstice Disksuite.
• Trouble shooting the system and end user issues.
• Responsible for configuring real time backup of web servers.
• Log file was managed for troubleshooting and probable errors.
• Responsible for reviewing all open tickets, resolve and close any existing tickets.
• Document solutions for any issues that have not been discovered previously.

Environment: Sun Solaris 2.6/7, SUN Ultra Enterprise … SUN Ultra … Windows NT 4.0, RHEL 3.x.