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Senior Mainframe Developer And Lead (onsite) Resume

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Plano, TX

SUMMARY:

  • Senior Mainframe developer & lead with 12 years of expertise in Mainframe programming, development & implementation support environment.
  • Extensive end - to-end experience in COBOL, DB2, JCL, CICS & MVS from development perspective and well versed in SDLC and QA concepts.
  • Excellent hands on experience of using tools and technologies SORT/SYNCSORT, IDCAMS, IEBGENER, IEBCOMPR, IEFBR14, IEBCOPY, Putty, FILEAID, SPUFI and ENDEAVOR
  • Extensive experience working as an onsite coordinator attending the project review meetings with Clients gathering requirements, preparing High Level Design(HLD), Low Level Design (LLD), transitioning the requirements and design to offshore for the Build activity.
  • Ability to multi-task work across different applications. Diverse work experience with different functionalities of the application, with Development and Production Support projects.
  • Versatile experience in resource handling, team mentoring and task estimation- scheduling- tracking.
  • Experience working on the project built using the Waterfall and Agile Methodologies. Involved in the estimate planning, design discussions and scrum meetings for the project.
  • Excelled in Financial and Banking Applications , especially in Credit Card process

TECHNICAL SKILLS:

Programming Languages: COBOL, JCL, PL/SQL, ASSEMBLER, CICS, REXX

Special Software: DB2, IMS DB/DC, Exstream Dialogue, File Aid, TSO/ISPF, SCM, VSAM, CHANGEMAN, IOF, SDSF, FTP, RACF, CA1, CA7, CA11, HMC, OMEGAMON, IBM UTILITIES, SAR/RMO, CLIST, SPUFI, Secure FTP, Citrix, NDM, ENDEAVOR, Microsoft Visio, Microsoft Office suite

Methodologies: Waterfall & Agile

Hardware/Operating System: IBM Mainframe z/OS, z/VM, MVS, Windows 8(NT 6.2), 8.1(NT 6.3)

PC Skills: Outlook, MS Office Word, Excel, Power Point, Lotus Notes

Area of excellence: Financial and Banking Applications

WORK EXPERIENCE:

Confidential, Plano, TX

Senior Mainframe developer and lead (Onsite)

Responsibilities:

  • Actively participating in business and functional requirement discussions with client SMEs and stakeholders.
  • Participate in the requirements meeting with business analysts, system analysts and the application development team and understand the requirements
  • Identify potential systems solutions to business needs analyzing the solution feasibility in conjunction with technical architects
  • Maintain knowledge of new and emerging technologies that may be relevant to the project
  • With the help of listed technology and tools, performs the impact analysis for the requirements identified.
  • Serve as a single point of contact for all technical queries related to the applications I support.
  • Prepare the high level design based on the impact analysis.
  • Prepare the estimated hours to implement the project based on the impacts identified
  • Share the estimate with the Subject Matter Experts (SME) and get their approval
  • Coordinate with the offshore team to prepare the low level design document based on the impacts identified
  • Walkthrough the design internally with application Subject Matter Experts and seek their approvals. Once done, walkthrough the same with the business team and application development teams over the conference call/meetings and address the design issues raised if any. If no issues, then tracks for the design approval
  • With the help of mainframe programming languages create/modify the application programs as per the design
  • Coordinate with offshore team and prepare the Unit Test Plan ( UTP) to cover all the possible scenarios and different types of input data to test the developed code.
  • Reviews the UTP and log the issues and work with offshore team to fix the issues identified.
  • Walkthrough the UTP with the application Subject Matter Experts and get their approval to proceed with the Unit Testing.
  • Conducts the regular code review meetings with offshore team and review the code. Log and fix issues identified during code review
  • Participate in the project meetings and report the code development status to the project managers and the stake holders
  • Execute the test cases as per the UTP and prepare Unit Test Result ( UTR ) to ensure the deliverables are accurate and meet all the client requirements and standards
  • Once the code review is 100% complete, walkthrough the code with the application Subject Matter Experts (SMEs) and get their approval and move the code to the development integration testing
  • Use ServiceNow & AOTS tools and co-ordinate with the necessary infrastructure teams to develop and test the Message Queues (MQs), IMS DB/DC, DB2, CICS, Storage, NDM, network and security settings required by the application
  • Work with the network and Security team to get the necessary firewall accesses for the file transfers from mainframe platforms to other distributed platforms.
  • Use IBM WebSphere MQ for Z/OS UTILITY to validate the configuration of new MQ requested and troubleshoot the queue if there are any issues.
  • Once the setup is completed by the infrastructure team, use IMS DB/DC, DB2 Platinum Tool to validate if the requested IMS DB/DC, DB2 parameters are updated correctly as per the requirements
  • Develop the one time JCLs to create the VSAM and table base tables with the requested parameters and run the one time . Once the onetime job is successfully completed, use the File Aid tool to verify the file parameters / attributes and ensure that the file setup is accurate as per the requirements.
  • Work with the distributed application teams to integrate and test the distributed MQ & the mainframe MQ with TCP/IP protocols and MQ access methods to ensure that there are no connection issues and data transfer issues.
  • With the help of IBM Sterling Connect: Direct for z/OS utility, develop and test the Network Data Mover (NDM) functionality to move the data files from the mainframe systems to other distributed systems as per the business requirements.
  • Execute various IMS DB/DC, DB2 queries with the help of SPUFI to test the accuracy and the efficiency and implement the query into the application programs. Collaborate with PMO and other Application teams to ensure that prescribed process and standards are followed to integrate the code for the application testing.
  • Participate in the test case review meetings and review the SIT/UAT test cases created by the application testing team and ensure that it meets the project requirements and all possible scenarios are covered for the owned application
  • Prepare the validation plan check lists for the entire SIT/UAT phase and test the application end to end and ensure that the business requirement is working correctly
  • Provide the timely resolution to the defects raised to ensure that there are no down time in testing due to the high severity open defects
  • For the mainframe environment, assist Technical Services in evaluating new products and solutions to streamline Operations and improve productivity
  • Review, analyze and provide recommendations to enhance package baseline cycles to support in implementing thousands of modules within specified green zone window only
  • Use the IBM TWS (Tivoli Workload Scheduler) to schedule the new jobs or modify the schedule of the existing jobs in SIT/UAT/PROD to fit with the project needs.
  • Coordinate with the offshore team and prepares the post implementation scripts covering all the cases to validate in Production environment after Project implementation
  • After project implementation, works with various stake-holders including Operations teams, Business contacts to fix any emergency issues to avoid impact to batch turnaround time and online application availability.
  • Validate all the changes installed in Production that meets the required quality
  • Provides the warranty period support for the installed project and fix the code if there are any issues reported
  • Discuss the lessons learned with all application teams and ensure that there are no recurring issues reported and determine the ways to enhance the project development
  • Use MS-office suite and prepare a good master checklist sheet and log the issues encountered and the resolutions provided with regards to the application development
  • Conduct the project meetings with the offshore application development team, and the infrastructure team and collect the overall status and discuss the roadblocks, if any
  • Report the accurate status to the Client and our management about the project
  • Prepare and conduct the internal technical presentations with the list of enhancements performed in the application
  • Once the post implementation validation is completed, updates the system documents available in the repository to make it up to date
  • Contribute to Add-on values by identifying process improvements and cost avoidance, Cost savings, and Process simplifications in existing application environments
  • Calculate and provide accurate estimates on Computer Resource required for the project using CICS Monitoring Facility for the new online mainframe applications
  • Use IBM STROBE utility to analyze the high CPU consuming resources and tasks within the CICS environment.
  • Perform rigorous and complex analysis to optimize the CPU consumption of resources such as IMS DB/DC, DB2, table base, VSAM, MQs for the better performance of the mainframe system
  • Identify the long running batch using IBM STROBE utility and do the Batch performance tuning for reducing of elapse time and CPU utilization to offer increase batch window buffer
  • Prepare the process improvement document and the total estimated hours required to implement the identified opportunities.
  • Walkthrough the document with the application Subject Matter Experts (SMEs) and get their approval
  • Develop the code and deploy into the SIT/UAT streams and perform the Business as Usual (BAU) testing
  • Work with the Operational Excellence (OPEX) team and estimate the CPU savings. Evaluate if the anticipated CPU savings are achieved by the identified improvement
  • With the help of Service Now and Change Management tools, create the necessary mainframe packages to implement the code into the production.
  • Work with the Operational Excellence (OPEX) team and share the transaction details and collect the final CPU savings achieved and submit the details to the entire application team
  • Review, analyze and provide recommendations to enhance package baseline cycles to support in implementing thousands of modules within specified green zone window only
  • For the new project startup, works with Change Management Team in setting up new Change Management Source and Non-source Applications following a carefully reviewed plan

Confidential, Irving, TX

Mainframe application & development lead (Onsite)

Responsibilities:

  • Actively participating in business and functional requirement discussions with client SMEs and stakeholders.
  • Based on the discussions, preparing and delivering the impact analysis document for the whole application and confirming the impacted areas for the requirement with client SMEs and customers.
  • Once the requirement is baselined, creating the application-impacted documents for each sub applications based on the final requirements.
  • Creating the high-level design for each TPRs based on the functional requirement and application-impacted documents.
  • Mentoring my team in creating detailed design for each TPRs based on my high-level design and application-impacted documents.
  • Participating in internal detailed design walk through with every teams under my application and providing my approval on their design.
  • Representing in project management calls with clients and code reviews for every TPRs in my application.
  • Summarizing the project development status and issues faced in the unit testing in the client calls.
  • Presenting the project status, issues, reports and metrics to onshore project/delivery managers.
  • Analyzing and assigning the production problem tickets to my offshore team and valued the deliverables prior to client delivery.
  • Constructing the COBOL, DB2, CICS components from scratch per the detailed design and the technical requirements.
  • Redesigning and restructuring of existing programs to increase operating efficiency or adapt to new requirements.
  • Designating the projects to offshore and monitoring the status of deliverables on time to time.
  • Coordinating the code reviews and test script reviews with offshore and clients.
  • Validating the results of test script creation and end-to-end validation in user acceptance testing.
  • Projecting the reports and statistics for the projects completed and for issues identified and fixed during testing and implementation phase.
  • Charting the metrics for monthly, quarterly and yearly reports to support PMR and audits conducted.
  • Maintaining the system documentations up to date in project SharePoint site.
  • POC for the defects in QC and assigned the defects to offshore for the further analysis, re-test and resolution.
  • Resolving the complex project defects, which requires the follow up with business and customer validation.
  • Chaired defect management and deliverable calls with offshore to ensure the standards followed in deliverables.
  • Establishing the REXX tools to reduce the efforts spending during analysis & trouble shooting criteria.
  • Contributing in the resolution of technical issues raised by different business units.
  • Representing in the quality check and standards of the program coded before the implementation.
  • Monitoring the unit testing and user acceptance testing to ensure the completeness of testing.
  • Leading the deployment of projects in Production environment and supported for post-implementation issues.
  • Introducing appropriate strategies for the implementation of the multiple TPRs in my application.
  • Implementing process improvement techniques for the system performance, cost and MIP savings.
  • Excelled on Online and batch failure resolutions. Especially on DB2 systems.
  • Costing and controlling the quality of product/service.
  • Providing extended support for Continuity of Business (COB) during system testing.

Mainframe development and support lead (Onsite)

Confidential

Responsibilities:

  • Participated in functional requirement discussions with clients and customers.
  • Analyzed and assigned the production incidents to my offshore team and valued the deliverables prior to client delivery.
  • Participated in functional and technical requirement discussions and created the application-impacted documents for each requirements.
  • Created the high-level design for each TPRs based on the functional requirement and application-impacted documents.
  • Mentored my team in creating detailed design for each TPRs based on my high-level design and application-impacted documents.
  • Organized the design walkthrough across the teams and chaired the design walkthrough with clients.
  • Represented in project management calls with clients and code reviews for every TPRs in my application.
  • Constructed the COBOL, DB2, CICS components from scratch per the detailed design and the technical requirements.
  • Coordinated the code reviews and test script reviews with offshore and clients.
  • Summarized the project development status and issues faced in the unit testing in the client calls.
  • Presented the project status, issues, reports and metrics to onshore project/delivery managers.
  • Validated the results of test script creation and end-to-end validation in user acceptance testing.
  • Projected the reports and statistics for the projects completed and for issues identified and fixed during testing and implementation phase.
  • Charted the metrics for monthly, quarterly and yearly reports to support PMR and audits conducted.
  • Restructured the existing modules as per the requirements, which were missed during development phase.
  • Updated and maintained the system documentations up to date in project SharePoint site.
  • Implemented process improvement techniques for the system performance and cost savings.
  • POC for the defects in QC and assigned the defects to offshore for the further analysis, re-test and resolution.
  • Resolved the complex project defects, which requires the business confirmation and validation.
  • Chaired defect management and deliverable calls with offshore to ensure the standards followed in deliverables.
  • Established the REXX tools to reduce the efforts spending during analysis & trouble shooting criteria.
  • Contributed in the resolution of technical issues raised by different business units.
  • Led the deployment of projects in Production environment and supported for post-implementation issues.
  • Introduced suitable strategies for the implementation of the multiple TPRs.
  • Extended the support for On-Call irrespective of timings to resolve all the issues within SLA.
  • Excelled on Online and batch failure resolutions.

Mainframe Technical lead (Onsite)

Confidential

Responsibilities:

  • Participated in functional requirement discussions with clients and customers.
  • Preparation of High-level design and application impact document based on the functional requirements (FR) and business requirements (BR).
  • Assigned the TPRs to my offshore teams based on the Capacity.
  • Mentored my team in preparation of detailed design document as per the high-level design and functional requirement.
  • Organized the design walkthrough across the teams and chaired the design walkthrough with clients.
  • Constructed the COBOL, DB2, CICS components from scratch per the detailed design and the technical requirements.
  • Led the weekly status call from onsite along with clients on the project status discussion and deliverable plans.
  • Summarized the project development status and issues faced in the unit testing in the client calls.
  • Created the metrics and presented in the weekly call with onsite Delivery managers.
  • Validated the results of test script creation and end-to-end validation in user acceptance testing.
  • Updated and maintained the system documentations up to date in project SharePoint site.
  • POC for the defects in QC and assigned the defects to offshore for the further analysis, re-test and resolution.
  • Resolved the complex project defects, which requires the business confirmation and validation.
  • Chaired defect management and deliverable calls with offshore to ensure the standards followed in deliverables.
  • Led the deployment of projects in Production environment and supported for post-implementation issues.
  • Implemented the REXX tools to reduce the manual effort in multiple validation process.
  • Costing and controlling the quality of product/service.
  • Produced and implemented process improvement techniques for the system performance and cost savings.
  • Introduced appropriate strategies for the implementation of the multiple TPRs.

Mainframe Infrastructure and Operational Support Lead

Confidential

Responsibilities:

  • Possessed a solid background in Data processing with heavy emphasis as a Mainframe Infrastructure and Operational Support Analyst.
  • Implemented CHANGE records in 100+ global logical partitions.
  • Projected the statistics and reports of the changes implemented across the regions with the client managers periodically.
  • Responsible for setting up and scheduling of ADHOC jobs using TWS for z/OS, CA11; verify and troubleshoot JCL errors and resolve job ABEND resolution.
  • Well-versed in MVS, CICS and RCF (Automation) commands and educate it to my team.
  • Oversaw and facilitated JCL overrides, PROCS, IBM Utilities, Restarts, and Concatenations.
  • Examined version control application, JCL and program modification for quality assurance and compliance with departmental standards and procedures.
  • Performed initial severity analysis of incoming alerts/issues and properly escalate issues per process.
  • Contributed technical support to operations and applications programming staff during platform conversion.
  • Provide d technical support to Data Center operations, end users, production control, applications and development support personnel.
  • Excelled in Service Now tool for documenting and reporting purpose with the clients.

Mainframe technical support lead

Confidential

Responsibilities:

  • Analyzed and assigned the production incidents to my team and valued the deliverables prior to client delivery.
  • Participated in functional and technical requirement discussions and created the application-impacted documents for each requirements.
  • Created the high-level design for each TPRs based on the functional requirement and application-impacted documents.
  • Mentored my team in creating detailed design for each TPRs based on my high-level design and application-impacted documents.
  • Represented in project management calls with clients and code reviews for every TPRs in my application.
  • Coordinated the code reviews and test script reviews with onshore and clients.
  • Summarized the project status, issues, reports and metrics to onshore project/delivery managers.
  • Projected the reports and statistics for the projects completed and for issues identified and fixed during testing and implementation phase.
  • Charted the metrics for monthly, quarterly and yearly reports to support PMR and audits conducted.
  • Restructured the existing modules as per the requirements, which were missed during development phase.
  • Implemented process improvement techniques for the system performance and cost savings.
  • Established the REXX tools to reduce the efforts spending during analysis & trouble shooting criteria.
  • Represented in the quality check and standards of the program coded before the implementation.
  • Contributed in the resolution of technical issues raised by different business units.
  • Extended the support for On-Call irrespective of timings to resolve all the issues within SLA.
  • Excelled on Online and batch failure resolutions.

Mainframe application lead

Confidential

Responsibilities:

  • Participated in functional requirement discussions with clients and customers for all the TPRs in my team.
  • Preparation of High-level design based on the functional requirements and business requirements.
  • Mentored and monitored my team in preparation of detailed design document as per the high-level design and functional requirement.
  • Constructed the COBOL, DB2, CICS components from scratch per the detailed design and the technical requirements.
  • Led the weekly status call from offshore with clients on the project status discussion and deliverable plans.
  • Summarized the project development status and issues faced in the unit testing in the client calls.
  • Created the metrics and presented in the weekly calls with Project/delivery managers.
  • Mentored my team in creation of test scripts based on the requirements and worked on the end-to-end testing and validation.
  • Updated and maintained the system documentations up to date in project SharePoint site.
  • Involved in User acceptance testing and resolved the defects raised for our project and application.
  • Chaired defect management and deliverable calls with onshore to ensure the standards followed in deliverables.
  • Led the deployment of projects in Production environment and supported for post-implementation issues.
  • Created and implemented the REXX tools to reduce the effort in multiple manual validation process.
  • Introduced appropriate strategies for the implementation of the multiple projects.
  • Costing and controlling the quality of product/service.
  • Produced and implemented process improvement techniques for the system performance and cost savings.

Mainframe Lead Developer

Confidential

Responsibilities:

  • Preparation of detailed design document as per the functional requirement and business requirement documents.
  • Constructed the COBOL, DB2 components from scratch per the detailed design and the technical requirements.
  • Summarized the project development status and issues faced in the unit testing in the client calls.
  • Created the metrics and delivered in the weekly call with Project/delivery managers.
  • Created and executed of test scripts based on the requirements and worked on the end-to-end testing and validation.
  • Maintained the system documentations up to date in project SharePoint site.
  • Supported the User acceptance testing and resolved the defects raised for our project.
  • Chaired defect management and deliverable calls with onshore to ensure the standards followed in deliverables.
  • Deployment of components in Production environment and supported for post-implementation issues.
  • Created and Implemented the REXX tools to reduce the manual effort in MOCK testing prior to the implementation weekend.
  • Introduced appropriate strategies for the implementation of the project.
  • Produced and implemented process improvement techniques for the system performance and cost savings.
  • Costing and controlling the quality of product/service.

Mainframe Developer

Confidential

Responsibilities:

  • Preparation of detailed design document as per the high-level design and functional requirement documents.
  • Development of code components as per the Low-level design and technical requirements.
  • Creation and execution of test scripts for the testing and validation.
  • Updating the system documentations of the project.
  • Supported the User acceptance testing along with defect resolving.
  • Deployment of components in Production environment and support for post-implementation issues.
  • Introduced appropriate strategies for the implementation of the project.
  • Costing and controlling the quality of product/service.
  • Chaired defect management and deliverable calls with onshore to ensure the standards followed in deliverables.
  • Implemented process improvements for the cost savings and MIPs savings.

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