SUMMARY:

• Software professional with over 10 years of IT experience in diversified fields of Big Data Analysis in Hadoop and Mainframe Development.
• 2+ years of extensive experience in Bigdata and Big Data Analytics, Hadoop, HDFS, Map Reduce, YARN, Hadoop Ecosystem and Shell scripting
• In depth understanding of Hadoop Architecture and various components such as Name node, Data node, Resource manager, Application master, Node manger, job tracker, Task tracker etc.
• Highly capable for processing large sets of Structure, semi - structure and unstructured dataset and supporting BigData applications.
• Hands on experience with Hadoop Ecosystem components like MapReduce (Processing), HDFS (Storage), YARN, Sqoop, Pig, Hive, HBase, Oozie, ZooKeeper for data storage and analysis.
• Experience in transferring data between a Hadoop ecosystem and structure data storage in a RDBMS such as MY SQL and DB2 using sqoop.
• Experience in NoSQL databases like HBase.
• Migration from different databases (i.e DB2) to Hadoop.
• Proficient in end-to-end development of software products from requirement analysis to system study, designing, testing, de-bugging, documentation and implementation.
• Adept at mapping the requirements, custom designing solutions.
• 8+ Years of strong hands on experience in Mainframe as developer in Development/Maintenance and production support projects.
• Worked extensively in Mainframe - COBOL, JCL, DB2, IMS, Telon, Chageman, Control-M, IBM Utilities (IDCAMS, IEBGENER, SYNCSORT) and VSAM .
• Distinction of working with global teams in an onsite-offshore delivery model.
• Strong analytical, problem solving & organizational abilities
• Busyness system analyst experience.
• Project Management
• Conducting System Analysis / Process Study for project scoping and tracking.
• Implementing project plans within deadlines.
• Defining best practices for project support and documentation.
• Understanding the technical & functional specifications.
• Design, development, testing, troubleshooting and debugging of the application.
• Provide post-implementation, enhancement and maintenance support to client for application.
• Resolving all the concerned issues upon getting approval from concerned authorities.
• Aware of the processes needed to be followed in a CMM level5 company. Aware of the process to be followed in any project life cycle
• Extending high-end technical support on Mainframe server and ensuring high customer satisfaction levels through prompt redressal of their problems.
• Analyzing and fixing defects.
• Develops technical designs that will meet system objectives and minimize the impact on operations
• Have total responsibility for the creation, migration, and ownership of the schedules, JCL and PROC's and other batch resources.
• Perform project management of estimating, scheduling, and monitoring tasks.
• Ability to follow recovery procedures to restart a batch workload that was interrupted by a system failure
• Provided support for the daily batch production cycle which included JCL changes, restart and recovery procedures and notification of the appropriate application programmer to resolve batch abends.
• Preparing Abend Logs and Checkpoints, Monitoring Test cycles.
• Point of contact to maintain the Web applications used by users for DB2 stored procedures..

TECHNICAL SKILLS:

OS: Z/OS.

Language: JCL, COBOL, Eazytrieve and CICS

Database: DB2 and VSAM,IDMS

Tools: File Aid, CA-7, Change Man, Panvalet, Platinum, Dialogue Live, Dialogue, MQ Series, XML, Document Direct, Mainframe Express, Systar, Stored ProcedureExpediter,Endevor, Biztalk

No SQL Databases: Hbase

Hadoop ecosystem: Hadoop and MapReduce, Sqoop, Hive, PIG, HBASE,HDFSZookeeper, Flume, Oozie

PROFESSIONAL EXPERIENCE:

Confidential, Indianapolis, IN

Sr. Bigdata / Mainframe Developer

Responsibilities:

• Worked on a live 60 nodes Hadoop cluster running CDH4.4.
• Worked with highly unstructured and semi structured data of 90 TB in size (270 TB with replication factor of 3)
• Extracted the data from RDBMS into HDFS using sqoop.
• Developed Hive scripts for end user / analytic requirement to perform ad hoc analysis.
• Very good understanding of Partitions, Bucketing concept in Hive and designed both managed and external table in Hive to optimize performance.
• Solved performance issue in Hive and pig scripts with understanding of Joins, group and aggregation and how does translate to Mapreduce jobs.
• Working with business analysts in gathering business requirements, obtaining clarifications and approvals during functional analysis, data validations and integration testing
• Understanding business process and requirements to effectively manage the project as per client’s specific standards and guidelines.
• Designing and developing new batch programs using COBOL, IMS, JCL and VSAM.
• Working with business analysts in gathering business requirements, obtaining clarifications and approvals during functional analysis, data validations and integration testing
• Understanding business process and requirements to effectively manage the project as per client’s specific standards and guidelines.
• Create weekly status report and participation in team meetings.
• Modifying batch programs as per the requirement and made schedule changes
• Involved in unit testing, system testing and UAT.
• Participated in test data and test case preparation and unit testing, test results documentation, review and UAT support
• Transfer files to Biztalk server

Confidential, Charleston, WV

Sr. Mainframe Developer

Responsibilities:

• Understanding business process and requirements to effectively manage the project as per client’s specific standards and guidelines.
• Working with business analysts in gathering business requirements, obtaining clarifications and approvals during functional analysis, data validations and integration testing.
• Create weekly status report and participation in team meetings.
• Designing and developing new batch programs using COBOL, DB2, JCL and VSAM.
• Modifying batch programs as per the requirement and made schedule changes
• Involved in unit testing, system testing and UAT.
• Participated in test data and test case preparation and unit testing, test results documentation, review and UAT support
• Involved in development of stored procedures for Inroads.

Confidential, Louisville, KY

Sr. Mainframe Developer

Responsibilities:

• 24x7 production support, provide resolution to production job abends, attend conference calls with business operations, system managers if any issues in batch stream.
• Gather requirements via discussions/meetings with business users and IT Management.
• Involved in batch cycles monitoring and ABEND fixing which part of production support is and creating ABEND logs for future reference. Providing the permanent fix the frequently getting abends.
• Participate in Client/Team meetings send regular status updates and Task assignments to the Team members.
• Full time first level production support for mainframe applications and always given high priority for the production issues. Analyze the production problems and take the action immediately. Perform code changes or data patching if necessary and all the QMS documents to be updated accordingly. If the issues due to other teams, co-ordinate with the other teams to follow up to solve immediately. And inform management on up-to-date status.
• Serve on on-call rotation, handling overnight problem calls.
• Analyze problems and solve on a day to day basis with appropriate 360-degree user communication.
• Working with CICS, IBM MVS, SPUFI, ISPF, COBOL, VSAM, JCL, DB2, SQL & File-Aid, Panvalet, Xpediter, Intertest, CA/Db2 tools, TSO, FileZilla for FTP and Connect Direct etc.
• Created regressive test plans and conduct unit testing.
• Work with Client IT Management & staff for co-ordination of System and end user testing.
• Participate in Client/Team meetings send regular status updates and Task assignments to the Team members.
• Assess user inquiries and work with IT management to determine priorities.
• Create weekly status report and participation in team meetings.
• Providing class room training related to technology & application to the team and new joiners.
• Co-ordinate with off-shore team
• Responsible for writing Stored Procedures.
• Building COBOL Batch and Online application programs using TELON
• Converted the Batch programs from IMS database to DB2 database.
• Coordinating between and Childcare tracking application system and consolidated
• Preparing the Various types of reports for analysis purpose using the JCL, EASYTRIEVE and SORT
• Performance tuning the DB2 SQL quires.
• Preparing the test plans and test cases.
• Trouble shooting any issues while implementing new application programs.

Environment: COBOL,JCL,DB2,IMS,VSAM,TELON,TSO/ISPF,SPUFI,MSOFFICE,VISIO,File-Aid, Panvalet and Xpediter

Confidential

Mainframe Developer

Responsibilities:

• Understanding business process and requirements to effectively manage the project as per client’s specific standards and guidelines.
• Working with business analysts in gathering business requirements, obtaining clarifications and approvals during functional analysis, data validations and integration testing.
• Enhancements, Maintenance & system testing activities which include formulating the testing strategy, preparing the test plans and identifying key business scenarios.
• Work planning, allocation & prioritization in coordination with client & offshore team.
• Provide production support and see that the issues were solved within the time limit specified in SLA.
• Provision of technical and business solutions to clients.
• Provide process, data and object modeling in a variety of application and database environments.
• Provide design, development, enhancement as well as management and coordination of changes to existing applications.
• Provide production support to Existing modules.
• Provide post-production support to Developed modules.
• Analyze requirements and discuss them with the client and the end users of the system.

Environment: Mainframes ( COBOL, JCL and VSAM)

Confidential

Responsibilities:

• 24x7 support to production, provide resolution to night-time production job abends, attend conference calls with business operations, system managers if any issues in batch stream.
• Interacting with the users regarding user queries
• Designing and developing new batch programs using COBOL, DB2, JCL and VSAM.
• Modifying batch programs as per the requirement and made schedule changes.
• Code review, Review of Deliverables
• Involved in unit testing, system testing and UAT.
• Participated in test data and test case preparation and unit testing, test results documentation, review and UAT support.
• Involved in resolving the job abends or any kind of problems that are faced by the client in production environment.
• Involved in running the entire batch cycle in test region with the new modifications which are going to be turned into production with the test data provided by the testers
• Conducting brain storming sessions on the defects identified.
• Ensuring timely deliveries of work requests and maintaining application and technical support and documentation
• Preparing High Level, Low-level Functional Specification documents.
• Effort estimations based upon the requirement analysis.
• Review and rework on the review comments.
• Interaction with business users to get the business requirements.
• Writing the DB2 stored procedures and maintain the COBOL, DB2 applications

Environment: COBOL, DB2, IDMS, JCL, VSAM, ENDEAVOR, INTERTEST, CONTROL-M, CONNECT DIRECT, SPUFI, QMF, NDM and SYNCSORT.

Confidential

Responsibilities:

• Understanding business process and requirements to effectively manage the project as per client’s specific standards and guidelines.
• Working with business analysts in gathering business requirements, obtaining clarifications and approvals during functional analysis, data validations and integration testing.
• Enhancements, Maintenance & system testing activities which include formulating the testing strategy, preparing the test plans and identifying key business scenarios.
• Work planning, allocation & prioritization in coordination with client & offshore team.
• Provide production support and see that the issues were solved within the time limit specified in SLA.
• Provision of technical and business solutions to clients.
• Provide process, data and object modeling in a variety of application and database environments.
• Provide design, development, enhancement as well as management and coordination of changes to existing applications.
• Provide production support to Existing modules.
• Provide post-production support to Developed modules.
• Analyze requirements and discuss them with the client and the end users of the system.

Environment: COBOL, JCL, VSAM, FILE MASTER, ALCHEMIST, CICS, IMS/DB, DB2, EASYTRIVE, ESP and HP OPEN VIEW