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Pradeep - Sr. Mainframe developer

[email protected]

Location: Jersey City, New Jersey, USA

Relocation: Yes

Visa: GC

Resume file: S. Pradeep _ Sr. Mainframe DEVELOPER_1781290139200.docx Please check the file(s) for viruses. Files are checked manually and then made available for download.

PRADEEP S Mainframe Developer ________________________________________________________________________________________________ PROFESSIONAL SUMMARY: Experienced 10+ Years Sr. Mainframe Developer with extensive Results-driven Programmer Analyst with extensive experience in enterprise-level application development on IBM z/OS platforms. Exposing legacy COBOL/CICS applications as web services via CICS Transaction Server (CTS) and CICS Transaction Gateway (CTG). Skilled in business systems analysis, secure application integration (SSL), and cross-platform communication using BizTalk. Adept at working with IT teams to deliver robust, maintainable, and scalable solutions. Expose legacy CICS/COBOL programs as secure, reusable web services using CICS Transaction Server (CTS) and CICS Transaction Gateway (CTG). Develop and support integration solutions using Microsoft BizTalk, enabling cross-platform data exchange and real-time processing Skilled in utilizing AI Copilot tools for COBOL code documentation, code analysis, and modernization initiatives. Hands-on expertise in DB2 application development, embedded SQL, and performance optimization. Experienced in supporting legacy system modernization and application enhancement projects. Worked extensively with System i / COBOL-400 and IBM Mainframe platforms. Familiar with Unisys platform integration and cross-platform application support. Implement and maintain SSL protocols for secure communications between systems. Collaborate with cross-functional IT teams including analysts, developers, QA, and infrastructure staff to deliver stable, high-performing applications. Leveraged Copilot tools to support knowledge transfer activities by generating detailed explanations of complex COBOL business logic. Utilized AI-assisted code analysis to understand complex legacy COBOL programs and accelerate impact assessment activities. Applied Copilot capabilities to identify reusable code patterns, simplify legacy logic, and support modernization initiatives. Used AI-generated insights to analyze dependencies between COBOL, CICS, VSAM, and DB2 components during enhancement projects. Assisted in reducing onboarding time for new developers by creating AI-generated technical walkthroughs and program documentation. Utilize ENDEVOR for source control, code promotion, and environment management. Optimize database queries and ensure data integrity using SQL and CA DB2 tools. Maintain detailed system documentation, perform unit/system testing, and support user acceptance testing (UAT). Troubleshoot and resolve production issues, ensuring minimal downtime for mission-critical systems. Engage in ongoing modernization initiatives, supporting the transformation of legacy systems into service-oriented architectures. Collaborated with cross-functional teams including business analysts, QA engineers, and project managers to define requirements, design solutions, and deliver high-quality software. Provide mentorship to junior developers and assist in the development of best practices. Applied Lean-Agile principles in project management to improve development processes, enhance collaboration, and reduce delivery times. Participate in sprint planning, daily stand-ups, and retrospectives. Provided ongoing support for existing mainframe applications, troubleshooting and resolving production issues quickly to ensure minimal downtime. Perform root-cause analysis and implement corrective actions to prevent recurring problems. SKILLSET: AI-Powered Development Tools: GitHub Copilot, AI-assisted COBOL Modernization, AI-based Code Documentation, AI-driven Impact Analysis Mainframe Technologies: COBOL, COBOL-400, JCL, CICS, VSAM, REXX, Assembler (Basic), Easytrieve Databases & File Systems: DB2, IMS DB, VSAM, SQL, Sequential Files, GDGs, Oracle Transaction & Batch Processing: CICS, IMS/DC, Batch Jobs, Job Flows, Transaction Logging, Online Transaction Processing (OLTP) Development & Debugging Tools: File-AID, Abend-AID, Expeditor/Xpeditor, Endevor, Changeman, SPUFI Job Scheduling & Operations: OPC, CA7, TWS (IWS), JOBTRAC, JES2, SMP/E, Control-M Security & Access Control: ACF2, RACF, User Provisioning, Dataset Security, MVS Parameters BI & Reporting Tools: Power BI, Cognos, ThoughtSpot Platforms: IBM Mainframe, Unisys, System i, COBOL-400 z/OS Infrastructure: IBM z/OS, LPAR, IODF/IOCP, VTS, Performance Tuning, System Upgrades Platforms: IBM Mainframe, Unisys, System i, COBOL-400 Integration & Interfaces: API Integration, MQ Series, Java Interface Support, REST APIs DevOps & Modern Tools: Git, Jenkins, Docker, SonarQube, IBM SA z/OS, CA OPS/MVS, Jira Documentation & Process: Technical Specifications, COBOL Documentation, Job Flow Diagrams, Change Management Documentation, Incident Reports Methodologies & Environments: Agile (Scrum), Waterfall, Production Support, UAT, Release Coordination Cloud Platforms: AWS Core Competencies: Mainframe DB2 Application Development, Legacy System Modernization, AI-assisted Development, Production Support, Batch Processing, Incident Management, System Stability & Performance Optimization PROFESSIONAL EXPERIENCE: Capital One, Remote, USA Jan 2023 Present Mainframe Developer Key Responsibilities: Spearheaded initiatives to modernize DMV application systems by transforming legacy CICS/COBOL applications into web services using CTS and CTG. Designed and implemented secure SOAP-based services integrated with external systems through BizTalk, enabling real-time data access and processing. Implemented CICS transactions to manage real-time data processing, ensuring high availability and reliability of the services. Performed IMS database extraction, transformation, and migration activities supporting legacy modernization initiatives. Developed COBOL and JCL processes for IMS data conversion, validation, and reconciliation between source and target platforms. Conducted source-to-target data verification ensuring 100% accuracy during IMS migration projects. Supported enterprise modernization initiatives by analyzing legacy mainframe applications and implementing migration strategies for distributed and cloud-integrated environments. Performed application assessment, dependency analysis, and system impact evaluation to support large-scale mainframe transformation programs. Collaborated with enterprise architecture teams to define technology modernization roadmaps and migration lifecycle strategies for legacy COBOL/CICS systems. with ADABAS database structures, file definitions, descriptors, and access methods for high-volume transaction systems. and claims management. Developed COBOL/JCL batch processes supporting ACAPS workflows. Utilized Generative AI and AI-assisted development tools to accelerate COBOL code analysis, documentation, impact assessment, and modernization activities. Explored OpenAI-based solutions and AI-driven knowledge retrieval techniques to improve developer productivity and onboarding processes. Developed IMS/DC transaction workflows supporting high-volume online transaction processing systems. Performed IMS DB performance tuning, database recovery coordination, and hierarchical data optimization activities. Administered Control-M Enterprise Manager (EM) and Control-M Agents across multiple production and non-production environments. Configured and maintained Control-M scheduling tables, SMART folders, calendars, run windows, and job dependencies for enterprise batch workloads. Created, modified, and monitored Control-M job definitions to support critical business applications and batch processing requirements. Managed Control-M alerts, notifications, escalation procedures, and SLA monitoring to ensure timely batch completion. Developed and maintained COBOL programs accessing CA IDMS databases using embedded DML statements. Conducted impact analysis for schema changes and coordinated application modifications. Managed z/OS dataset configurations, storage allocation strategies, and security access controls in enterprise environments. Participated in assessment and migration activities from CA-Endevor to Git-based source code management environments using IBM Dependency Based Build (DBB). Assisted in configuring and supporting IBM DBB build frameworks for COBOL, JCL, PL/I, and DB2 applications on IBM z/OS. Worked with DBB build reports, dependency analysis, and impact assessment to streamline application build processes. Supported implementation of Git-based DevOps workflows for Mainframe application development and release management. Collaborated with development teams to establish modern CI/CD practices using Git and DBB for enterprise Mainframe applications. Performed application inventory analysis and build validation activities during SCM modernization initiatives. Created and maintained technical documentation including Control-M job flow diagrams, scheduling procedures, recovery guides, and operational runbooks. Documented batch scheduling standards, incident resolution procedures, and production support processes to support knowledge transfer and audit compliance. Configured and administered IBM Tivoli System Automation for z/OS environments supporting automated startup, shutdown, recovery, and resource dependency management. Developed and maintained System Automation Policy Database (PDB) definitions, application groups, resource relationships, and automation policies. Implemented policy-based automation solutions to reduce manual intervention and improve operational efficiency across z/OS environments. Coordinated batch cycle management activities, ensuring successful execution of daily, weekly, monthly, and year-end processing schedules. Implemented automated restart and recovery procedures for critical batch jobs to minimize operational downtime with Java and BI teams to integrate MQ messaging with Power BI and Cognos for operational dashboards. Maintained COBOL and DB2-based systems while supporting agile transformation efforts including UAT and production rollout. Familiar with System i / COBOL-400 applications and integration with enterprise mainframe systems. Supported modernization and application enhancement initiatives to improve scalability, maintainability, and operational efficiency. Environment: COBOL, JCL, CICS, DB2, IMS, Assembler, VSAM, MQ, CA7, DB2, z/OS, UNIX, Linux, SDLC, Lean-Agile (Scrum), Waterfall, Mainframe Integration Testing, AI Copilot, Unit Testing, Automation, Debugging, TSO, ISPF, Eclipse IDE, FTP/NDM, CA7, MQ, VSAM, Assembler, SQL, Git, Endevor. Synchrony Financial - Stamford, CT Jan 2021 Dec 2022 Mainframe Developer Key Responsibilities: Utilized CICS Transaction Gateway to allow mid-tier applications to invoke mainframe transactions securely. Worked with IBM System Automation Policy Database (PDB) for defining automation policies, application groups, and resource dependencies. Worked closely with z/OS Systems Programming teams to support DB2 subsystem maintenance, storage allocation management, and infrastructure stability initiatives. Assisted in z/OS infrastructure performance analysis involving LPAR resource utilization, workload balancing, and batch window optimization. Coordinated infrastructure maintenance windows, sustainability upgrades, and change implementation activities across application, operations, and vendor teams. Provided technical oversight during major incident investigations and post-incident root cause analysis sessions. Utilized BMC Utilities for IMS including IMS REORG, LOADPLUS, UNLOAD PLUS, Image Copy, and Recovery Manager to support database maintenance and migration activities. Performed IMS database reorganization, recovery, and performance optimization using BMC utility suites. Reviewed infrastructure upgrade plans and identified technical risks, mitigation strategies, and implementation dependencies. Utilized SDSF, RMF, OMEGAMON, and DB2 monitoring reports to analyze system resource utilization and performance trends Maintained and updated SA z/OS PDB entries to support automated startup, shutdown, and recovery procedures. Assisted in migration and validation of automation policies during z/OS automation modernization projects. Participated in enterprise z/OS automation migration projects involving IBM System Automation and NetView modernization initiatives. Supported migration of legacy automation procedures to System Automation for z/OS environments. Assisted in automation policy conversion, testing, and implementation during enterprise automation transformation programs. Applied object-oriented programming concepts and modular development techniques to improve code maintainability and reusability. Managed job dependencies, calendars, critical path analysis, and automated recovery procedures using IZWS. Participated in workload automation modernization initiatives involving migration from legacy scheduling platforms to IBM Z Workload Scheduler. Supported RACF security reviews, user access validations, dataset security audits, and compliance remediation activities. Managed Git repositories, branch strategies, merge activities, and code promotion processes supporting enterprise release cycles. Implemented Git branching models including feature, release, and hot-fix branches to improve development governance. Conducted repository audits and code synchronization activities during SCM migration projects. Supported pull request reviews, merge conflict resolution, and repository administration activities. Assisted with audit evidence collection and security control validation for Mainframe infrastructure environments. Participated in baseline security compliance reviews and risk assessments involving z/OS, DB2, IMS, and RACF environments Performed schedule optimization, batch window reduction, and workload balancing for high-volume enterprise batch cycles. Tuning DB2 and VSAM access strategies, reducing I/O overhead for high-volume transactions. Integrated DevOps practices using Python for scripting automation in CI/CD pipelines and log parsing. Utilized Git for version control and code branching strategies to manage concurrent development and release cycles. Developed JCL procedures and COBOL programs for Bureaulink data extraction, validation, and reconciliation. Monitored and resolved Bureaulink production issues ensuring SLA compliance and uninterrupted business processing. Developed advanced REXX automation scripts for operational monitoring, automated recovery actions, exception handling, and system health reporting. Created reusable REXX execs to automate operator commands, resource status checks, and incident response procedures. Configured IBM NetView for z/OS to support event monitoring, message automation, alert processing, and automated operational responses. Integrated NetView with System Automation for centralized monitoring and automated resource management. Integrated Bureaulink workflows with enterprise Mainframe systems using MQ and batch automation tools. Assisted in maintaining secure data exchange processes between Mainframe applications and external insurance bureau systems Worked on architect-level enhancements for enterprise CICS and IMS-based transaction processing systems. Integrated Mainframe services with Java applications and middleware platforms for distributed transaction processing. Experience in handling large healthcare and financial datasets using Teradata and Mainframe technologies. Environment: COBOL, JCL, CICS, DB2, IMS, Assembler, VSAM, MQ, CA7, DB2, z/OS, UNIX, Linux, SDLC, Lean-Agile (Scrum), Waterfall, Mainframe Integration Testing, Unit Testing, Automation, Debugging, TSO, ISPF, Eclipse IDE, FTP/NDM, CA7, MQ, VSAM, Assembler, SQL, Git, Endevor. S&P Global, Hyderabad, India Jan 2018 - Jul 2020 Mainframe Developer Key Responsibilities: Developed and maintained COBOL programs on the mainframe, ensuring robust, high-performance solutions for core business systems. Worked with IBM Wazi Developer for Code and IBM IDz/IDD environments to support modern Mainframe application development. Assisted developers in configuring Wazi workspaces, source repositories, and remote z/OS development environments. Created and maintained CLIST and REXX utilities to automate operational support, dataset management, and batch monitoring activities Developed automated FTP/SFTP batch processes for secure transmission of IMS and VSAM datasets across enterprise environments. Monitored and validated secure file transfers ensuring data integrity and compliance requirements. Supported deployment validation and troubleshooting activities within Wazi-enabled development ecosystems. Participated in modernization initiatives utilizing IBM Wazi tooling to improve developer productivity and streamline Mainframe DevOps adoption. Designed and implemented DB2 application development solutions to meet client requirements, optimizing database queries for performance. Managed and monitored complex batch job workflows using CA7 scheduler across multiple environments. Performed batch recovery activities including job restarts, reruns, dependency validation, and schedule adjustments. Analyzed CA7 job failures, spool logs, JES2 outputs, and system alerts to ensure timely recovery of failed jobs. Automated job scheduling using JCL, which decreased manual intervention by 40% and improved overall job execution reliability. Played a key role in modernizing DMV-related systems by developing CICS Web Services from COBOL-based business processes. Led enterprise mainframe infrastructure automation initiatives focused on improving platform reliability, operational efficiency, and system resiliency. Provided technical oversight and architectural guidance to development and infrastructure teams during modernization and automation programs. Developed CICS transactions to support new business requirements, which expanded system capabilities and improved user satisfaction. Refactored COBOL code to improve performance and maintainability, leading to a 20% increase in system responsiveness. Performed DB2 Bufferpool tuning activities to optimize synchronous and asynchronous I/O performance for high-volume transaction systems. Monitored and analyzed DB2 Bufferpool statistics using DB2 performance reports to improve cache hit ratios and reduce disk latency. Assisted in DB2 memory management including EDM Pool, RID Pool, Sort Pool, and Virtual Storage optimization activities. Supported DB2 subsystem performance tuning initiatives by identifying resource-intensive SQL workloads and optimizing database access paths. Conducted DB2 performance bottleneck analysis for batch and online applications, improving overall system throughput and response times. Worked with DB2 utilities including REORG, RUNSTATS, COPY, RECOVER, and LOAD for database maintenance and performance optimization. Participated in DB2 storage allocation troubleshooting and resolution of dataset space-related failures in z/OS environments. Implemented automated recovery and failover procedures to improve availability of critical z/OS subsystems and infrastructure services. Designed automation policies supporting enterprise high-availability objectives and reduced mean time to recovery (MTTR). Developed batch programs using COBOL and JCL to load, validate, reconcile, and process Teradata datasets. Supported data migration and modernization initiatives involving DB2-to-Teradata and legacy mainframe integrations. Conducted customer workshops and technical sessions related to Mainframe modernization and DevOps transformation initiatives. Worked directly with client stakeholders to assess existing SCM processes and recommend modernization strategies. Provided technical guidance and troubleshooting support during migration and deployment activities. Assisted customers in identifying and resolving application conversion and build-related issues. Collaborated with cross-functional teams to ensure successful delivery of Mainframe modernization projects. Assisted with installation, maintenance, and upgrade activities for IBM automation products using SMP/E. Supported product maintenance implementation including PTF application, HOLDDATA review, and automation product lifecycle management. Supported evaluation and migration planning activities involving CA Automation Point and IBM Systems Automation for Integrated Operations Management (SAIOM). Assisted in validating automation workflows and operator console procedures during enterprise automation modernization initiatives. Conducted peer code reviews to ensure adherence to coding standards, security guidelines, and enterprise development best practices. Collaborated with engineering teams to improve code quality, reusability, maintainability, and application stability. Promoted reusable components and standardized development practices across Mainframe application teams. Secured sensitive transactions and services using SSL and followed enterprise security protocols. Maintained and enhanced batch and online COBOL/CICS applications, providing stability and accuracy in processing critical transactions. Used CA DB2 Tools and SQL for performance analysis, reporting, and troubleshooting. Automated testing processes and helped implement solutions to track defects and streamline the QA process. Environment: COBOL, JCL, CICS, DB2, IMS, Assembler, VSAM, MQ, CA7, DB2, z/OS, UNIX, Linux, SDLC, Lean-Agile (Scrum), Waterfall, Mainframe Integration Testing, Unit Testing, Automation, Debugging, TSO, ISPF, Eclipse IDE, FTP/NDM, CA7, MQ, VSAM, Assembler, SQL, Git, Endevor. Birla Soft, Hyderabad, India Oct 2013 Dec 2017 Programmer Analyst Mainframes Key Responsibilities: Involving in the design and coding of the complicated business modules Develop test plans, perform unit, integration testing and user Acceptance Testing and ensure all Quality guidelines are followed by all the team members Supported high-volume COBOL/CICS/DB2 applications in a regulated government IT environment. Assisted in designing enterprise Mainframe modernization solutions integrating COBOL applications with AWS-based distributed systems. Supported IMS/DC online transaction systems and hierarchical database processing environments. Participated in architecture discussions involving migration of legacy Mainframe workloads to hybrid cloud platforms. Provided 24/7 Production Support on biweekly basis and responsible all CMS control-m jobs related issues, migrating the Jobs from control-m to BMC scheduler and resolutions as per defined SLA standards Developed and Sound knowledge on BMC Control-O environment. Tuned VSAM file access strategies and optimized CI/CA parameters to improve I/O efficiency and batch processing performance. Performed VSAM and DB2 access path analysis to reduce unnecessary I/O operations and improve application scalability. Investigated and resolved dataset allocation failures, extent issues, and storage utilization problems in enterprise z/OS systems. Supported SMS/DFSMS storage management activities including dataset allocation validation and storage performance analysis. Tuned VSAM file access strategies and optimized CI/CA parameters to improve I/O efficiency and batch processing performance. Performed VSAM and DB2 access path analysis to reduce unnecessary I/O operations and improve application scalability. Investigated and resolved dataset allocation failures, extent issues, and storage utilization problems in enterprise z/OS systems. Supported SMS/DFSMS storage management activities including dataset allocation validation and storage performance analysis. Assisted in exposing COBOL business services through API-driven cloud applications for modernization initiatives. Worked with downstream applications and interfaces supporting healthcare claims processing and pharmacy benefit integrations. Implemented infrastructure-focused automation solutions using JCL, Python, Jenkins, CA7, and Control-M to streamline operational workflows. Worked on ACAPS Mainframe applications supporting policy administration, claims processing, and insurance transaction workflows. Involved in maintenance and enhancement of ACAPS batch and online modules using COBOL, JCL, CICS, and DB2. Supported ACAPS production environments including incident resolution, batch monitoring, and job recovery activities. Developed and maintained YAML configuration files supporting CI/CD pipeline orchestration and deployment automation. Created and modified Groovy scripts for Jenkins pipeline automation and build process customization. Automated build, testing, and deployment workflows using Groovy-based Jenkins pipelines. Troubleshot YAML configuration issues and pipeline execution failures in DevOps environments. Supported CI/CD pipelines integrated with Git, Jenkins, and Mainframe build environments. Investigated and resolved build failures, deployment issues, dependency conflicts, and pipeline execution errors. Performed root cause analysis for failed builds and automated deployment processes across multiple environments. Worked with pipeline logs, build reports, and deployment artifacts to identify and resolve release issues. Assisted in implementing automated build validation and deployment verification procedures. Performed impact analysis, code remediation, and testing for ACAPS-related system enhancements and regulatory changes. Developed and modified ACAPS batch job streams and scheduling workflows using CA7 and Control-M. Collaborated with business users and support teams to troubleshoot ACAPS application issues and improve processing efficiency. Developed and delivered technical training materials covering Git workflows, SCM processes, Mainframe DevOps practices, and application lifecycle management. Conducted knowledge transfer sessions for development, support, and operations teams. Created migration runbooks, operational procedures, troubleshooting guides, and best-practice documentation. Mentored junior developers and support teams on Mainframe development standards and DevOps methodologies Executed full Software Development Life Cycle (SDLC) activities including analysis, design, coding, testing, deployment, and production support. Developed software verification plans, quality assurance procedures, and implementation documentation for enterprise applications. Participated in all phases of Agile software development including sprint planning, backlog grooming, retrospectives, and release management. Utilized tools such as CA7, Control-M, Abend-AID, File-AID, Expeditor, SDSF, and JES2 for troubleshooting and operational support. Supported high-volume batch and online transaction processing environments with focus on system reliability and availability. Environment: COBOL, JCL, IMS, DB2, CONTROL-M, EAZYTRIVE, MQ, CICS, FILEAID, VSAM, File Manager, Fault Analyzer, ISPF/SDSF, Control-M, Control-O, BMP, DLI, Endevor, DevOps with Python, Jenkins, MS-SQL, HTML Keywords: continuous integration continuous deployment quality analyst artificial intelligence message queue business intelligence database zos information technology microsoft mississippi procedural language California Connecticut