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Ravi teja - Mainframe developer

[email protected]

Location: Edison, New Jersey, USA

Relocation: yes

Visa: H1B

Resume file: Raviteja _Mainframe_1761245282340.docx Please check the file(s) for viruses. Files are checked manually and then made available for download.

PROFESSIONAL SUMMARY: 8+ years of experience designing, developing, and modernizing enterprise-scale mainframe applications on IBM z/OS, leveraging COBOL, PL/I, Assembler, and JCL for high-performance batch and online processing. Expert in CICS, DB2, IMS DB/DC, and VSAM, with a strong track record of optimizing large-scale transactional systems and ensuring high availability using Parallel Sysplex clustering. Skilled in automating workloads and batch processes using Control-M, CA7, Tivoli Workload Scheduler (TWS), Jenkins, and REXX/CLIST scripting, reducing manual intervention and improving SLA adherence. Experienced in integrating mainframe systems with modern distributed and cloud environments via REST and SOAP APIs, IBM MQ, WebSphere MQ, and z/OS Connect EE. Adept at implementing secure hybrid cloud solutions using Azure VMs, App Service, Blob Storage, Azure SQL, Cosmos DB, Azure Data Lake, Terraform, and Azure DevOps pipelines. Proficient in performance tuning, debugging, and monitoring using IBM OMEGAMON, BMC Mainview, File-AID, Xpeditor, and Abend-AID, ensuring optimized system reliability. Strong source control and deployment expertise with Git, Endeavor, and Changeman to maintain consistent environments across development, testing, and production. Hands-on experience in enforcing security policies and access controls using RACF, Azure AD, and Azure Key Vault. Skilled at implementing CI/CD pipelines and Infrastructure as Code (IaC) practices to streamline mainframe modernization and DevOps adoption. Collaborates effectively with cross-functional teams, mentoring junior developers, and facilitating knowledge sharing for continuous process improvement. Proven problem-solving and analytical mindset, capable of resolving complex production issues while maintaining system stability and performance. Strong communication and stakeholder management skills, translating technical requirements into scalable solutions aligned with business objectives. TECHNICAL SKILLS: Mainframe: z/OS, MVS, JCL, CICS, IMS, DB2, VSAM, IBM MQ, Parallel Sysplex, Endevor, ChangeMan, ISPF, Control-M, CA7, Tivoli Workload Scheduler, High Level Assembler (HLASM) Languages & Scripting: COBOL, Assembler, C, C++, PL/I, REXX, CLIST, SQL,SHELL SCRIPTING Debugging & System Tools: Xpediter, IBM OMEGAMON, Transaction Log Analysis, Resource Management, Job Scheduling, Root Cause Analysis Database & Web Services: DB2, IMS DB, VSAM, SQL Optimization, Data Mapping, SOAP/RESTful APIs Cloud & Hybrid Integration: AWS (EC2, S3, RDS, Lambda, ELB, Auto Scaling), Azure (VMware Solution, VMs, App Service, Blob, Data Lake, Cosmos DB, SQL Server, ExpressRoute), Hybrid Cloud, Cloud-to-Mainframe DevOps & Automation: Git, Terraform, CI/CD Pipelines, Automated Testing, Source Code Management, Batch Optimization Modernization & Architecture: Mainframe-to-Cloud Migration, Legacy Modernization, SOA, Cloud Resource Integration Project & Team Management: Agile (Scrum, Kanban), Stakeholder Communication, Process Mapping, Team Leadership & Mentoring Security & Compliance: Azure AD, Key Vault, Security Center, Regulatory Compliance, CA TopSecret, RACF, zSecure Admin, Compliance Manager Legacy Financial Systems: COBOL, CA Gen, Classic ASP, DB2 for z/OS, Oracle Government/Compliance: Auditing Standards, Fiscal Reporting, Secure System Integration EXPERIENCE: Sr. Mainframe Developer | April 2024 Present Bank of America, Charlotte, NC Architected and led enterprise-scale mainframe-to-cloud migrations using AWS (EC2, S3, RDS, Lambda, ELB, and Auto Scaling), improving flexibility, performance, and cost-efficiency. Designed hybrid cloud architectures integrating AWS and mainframe environments, ensuring secure communication, data consistency, and high availability. Spearheaded cloud integration, aligning mainframe workflows with AWS for real-time data access and dynamic scaling. Developed RESTful and SOAP-based APIs to bridge legacy mainframe applications with cloud services and deployed microservices on Azure AKS using CI/CD pipelines. Led planning and execution of z/OS upgrades (2.x 3.x), including migration analysis, SMP/E RECEIVE/APPLY/ACCEPT, PARMLIB customization, and IPL validation. Performed z/OS performance tuning using RMF, SMF, and OMEGAMON to optimize CPU, memory, and I/O throughput. Configured, installed, and upgraded VTAM, TCP/IP, OSA subsystems, and managed SNA, APPN/Enterprise Extender, and IP-based communications. Performed GDPS (Geographically Dispersed Parallel Sysplex) setup to enable disaster recovery and high availability. Administered JES2, ISPF, SDSF, RMF, HSM, RMM, zEDC, and USS, optimized system availability and compliance. Designed and implemented security solutions for CA TopSecret (TSS), IBM RACF, and zSecure, ensuring compliance with enterprise encryption and authentication policies. Administered RACF and RRSF for enterprise-wide access control; implemented Pass Tickets, Digital Certificates, and Kerberos for DB2, CICS, and USS. Spearheaded DISA STIG compliance for RACF, z/OS, IMS, and DB2, including system hardening, encryption, access controls, and audit logging. Collaborated with auditors to validate adherence to NIST, FISMA, and SOX/PCI frameworks. Tuned DB2 buffer pools and SQL queries to handle large-scale healthcare claims and financial transactions, reducing processing times by up to 25%. Designed and optimized IMS DB hierarchical databases, creating efficient parent-child access paths for OLTP workloads. Enhanced CICS transactions with pseudo-conversational programming and RACF-based security, improving response times and protecting sensitive data. Developed automation scripts to reorg IMS DB databases without disrupting 24/7 availability. Developed and optimized COBOL-DB2 applications for claims and financial systems, applying SQL optimization. Created modular COBOL routines for reusable business logic, reducing defects in production releases. Integrated HLASM modules with COBOL for high-throughput banking systems. Built and maintained applications in COBOL, C, C++, RPG, and SYNON on IBM mainframe and AS/400 platforms. Implemented NoSQL (Mongo DB) solutions to improve session/config storage performance. Automated entitlement provisioning and audit reporting with REXX and JCL, reducing manual effort by 50%. Managed job scheduling and batch workload automation using Control-M, CA7, and Tivoli Workload Scheduler. Streamlined CI/CD pipelines for mainframe and cloud applications, reducing cycles and improving deployment reliability. Controlled source code and configuration with Endevor, ChangeMan, and Git, enforcing integrity and branching strategies. Installed, configured, and supported ISV/OEM tools including CA SYSVIEW, BMC Control-M, Vanguard MFA, AMI FDRPAS, SAS, Tone Software, Rocket, MacKinney, Sterling Gentran, and ITCAM. Conducted daily system health checks with OMEGAMON, reducing unplanned outages by 30%. Resolved abends (S0C7, S0C1, SB37, U4038) using Abend-AID, Xpediter, and SYSOUT/SYSLOG. Managed proactive network performance with NetView and NetMaster/TCPIP. Conducted root cause analysis for recurring issues, documented permanent fixes, and updated SOPs/playbooks. Partnered with CICS, DB2, IMS, and Security teams to integrate SSL and pass tickets, reducing vulnerabilities by 30%. Mentored junior developers in COBOL, CA Gen, and modernization best practices. Led modernization of financial transaction systems, ensuring compliance with state auditing standards. Conducted code reviews to enforce SOLID principles, design patterns, and maintainability. Delivered data validation and transformation solutions, strengthening data accuracy across platforms. Environment: COBOL, Assembler, C, C++, CLIST, JCL, z/OS, MVS, IMS, VSAM, CICS, Control-M, CA7, Tivoli Workload Scheduler, Endevor, Change Man, Git, ISPF, IBM OMEGAMON, RESTful APIs, SOAP, EC2, S3, RDS, Lambda, ELB, Auto Scaling, AWS Infrastructure, Parallel Sysplex. Mainframe Developer | Feb 2023 March 2024 CBRE, Dallas, TX Developed and maintained programs in COBOL, PL/I, and Assembler, applying strong debugging and problem-solving skills. Authored JCL and SQL scripts to optimize job control and database performance in IMS DB/DC, CICS, and VSAM. Created REXX automation scripts to simplify routine maintenance and streamline environment operations. Used ISPF for code editing, dataset management, and job monitoring within IBM z/OS. Managed messaging and asynchronous communication via IBM MQ. Developed hybrid infrastructure solutions leveraging Azure VMs, App Service, and Blob Storage for secure application hosting. Managed cloud data services, including Azure SQL, Cosmos DB, and Azure Data Lake, ensuring scalable data handling. Enabled mainframe-to-cloud integration through high-speed connectivity with Azure ExpressRoute. Automated infrastructure provisioning using Terraform, implementing Infrastructure as Code (IaC) best practices. Deployed applications via Azure DevOps pipelines, supporting version control, CI/CD, and release management. Configured access control across mainframe and cloud environments using RACF, Azure AD, and Azure Key Vault. Led IBM z/OS IPL operations, including system restarts and maintenance, ensuring minimal downtime. Managed enterprise batch scheduling with CA7 and Control-M, ensuring on-time execution and adherence to SLAs. Created detailed migration playbooks and mentored 3 teams through the transformation Reduced operational costs by 35% while maintaining sub-second response times Implemented API layer using z/OS Connect EE to expose mainframe services to cloud platforms Monitored system performance and resolved issues using BMC Mainview and IBM OMEGAMON, maintaining platform stability. Supported WebSphere applications and implemented SOA architecture, integrating RESTful APIs and IBM MQ for cross-platform communication. Controlled source code and deployments using Endeavor and Changeman across development, testing, and production. Served as a liaison between mainframe and cloud teams, supporting modernization initiatives and cross-platform integration. Collaborated in Agile Scrum teams using JIRA for sprint planning, backlog grooming, and daily stand-ups. Environment: COBOL, PL/I, Assembler, JCL, SQL, IMS DB/DC, CICS, VSAM, REXX, ISPF, Azure Data Lake, Azure ExpressRoute, Terraform, Azure DevOps, RACF, Azure AD, Azure Key Vault, IBM z/OS, CA7, Control-M, BMC Mainview, IBM OMEGAMON, WebSphere, RESTful APIs, Endeavor, JIRA Mainframe Systems Analyst | February 2019 October 2022 Quytech, India Built and maintained CICS transaction systems, leveraging REXX scripts and VSAM datasets for high-volume processing. Orchestrated batch jobs using CA7, Control-M, and Tivoli Workload Scheduler, ensuring accurate and timely execution. Streamlined deployments and testing with Jenkins CI/CD pipelines, improving mainframe build stability. Conducted debugging and testing using Xpeditor, File-AID, and Abend-AID to resolve complex production issues. Maintained and optimized DB2 and IMS DB/DC objects for high-performance data access. Facilitated secure FTP/SFTP data exchanges over TCP/IP for reliable system operations. Managed datasets, job outputs, and program libraries using ISPF to ensure smooth development and maintenance workflows. Designed and enhanced batch and online applications using COBOL, PL/I, and Assembler, aligned with business requirements. Managed messaging systems via WebSphere MQ to support asynchronous communications between mainframe and distributed applications. Monitored system performance using IBM OMEGAMON and BMC Mainview, resolving bottlenecks and optimizing resources. Enforced security policies with RACF, managing user roles and dataset access on z/OS. Controlled source code versions and coordinated deployments using Endeavor and Changeman. Implemented ETL processes using COBOL and JCL to support large-scale data transformations for reporting and downstream systems. Developed and maintained REST and SOAP web services, connecting legacy mainframe systems with modern applications via z/OS Connect EE. Environment: CICS, REXX, VSAM, CA7, Control-M, File-AID, Abend-AID, DB2, IMS DB/DC, FTP/SFTP, TCP/IP, ISPF, COBOL, PL/I, Assembler, WebSphere MQ, IBM OMEGAMON, BMC Mainview, RACF, Endeavor, Changeman, JCL, z/OS Connect EE, REST, SOAP Jr.Mainframe Developer | June 2017 January 2019 ValueMomentum Software, India Debugged and tested code with File-AID, Xpeditor, and Abend-AID, resolving issues rapidly to minimize production impact. Scheduled and monitored batch workflows using CA7 and Control-M, improving SLA adherence and operational efficiency. Managed version control and deployments using Endeavor, maintaining structured change management practices. Integrated mainframe applications with external systems using REST APIs through z/OS Connect EE. Developed and maintained scalable batch and online systems using COBOL, JCL, CICS, and VSAM to support critical business operations. Designed complex SQL queries and stored procedures in DB2 and IMS DB/DC to ensure accurate and efficient data processing. Managed secure data transfers using FTP/SFTP protocols and TCP/IP networking on IBM z/OS platforms. Implemented message-based communication with WebSphere MQ for asynchronous system integration. Leveraged ISPF for dataset management, job handling, and interactive coding/debugging tasks. Documented technical workflows, job dependencies, and processes in Confluence to support team knowledge sharing. Developed and debugged applications using IBM Rational Developer for z Systems (RDz) for efficient mainframe IDE workflows. Environment: File-AID, Xpeditor, Abend-AID, CA7, Control-M, Endeavor, z/OS Connect EE, COBOL, JCL, CICS, VSAM, DB2, IMS DB/DC, FTP/SFTP, TCP/IP, WebSphere MQ, ISPF, Confluence. Keywords: cprogramm cplusplus continuous integration continuous deployment message queue sthree database zos active directory procedural language California North Carolina Texas