Khirod Sahoo

23+ years of experience in the Mainframe System of IT (Banking, Finance, Insurance, Healthcare, retail, Utilities & Logistics Domain) managing the Business processes, Client Liaising for the transition/development/enhancement, maintenance, and production support of mission critical applications for prestigious clients. Working as a Technical Team Leader and successfully carried out project maintenance, production support and enhancement from onshore by coordinating with offshore team. Proficient in working in DevOps, Agile model and traditional waterfall model.

Key role in Transition for startup AMS projects of huge mainframe applications (AP, GP, PP phases) and strong knowledge in AID and ASCP process. Involved in different maintenance activities of applications (perfective, preventive and corrective). Proficient in analyzing and translating business requirements to technical requirements and architecture.

Excellency in production support with the tools like HP My service and JIRA and production cycle redesign in Mainframe environment.

Mainframe Developer (Core Application Development and Production Support) at Tata Consultancy Services (2025-04 – Present)

Working at CitiBank from TCS (Tata Consultancy Services). CitiBank's Core application is the central hub for the critical financial files processing and transfer for commercial clients of different countries and government organizations. Core transmits and receives files from/to external clients via CitiSFT, CitiManager and Concur also directly transmits files to client server via NDN, VAN.

One of the key responsibilities of the Core to process financial transaction details and transmit the same through either automated or Manual transmission based upon Business requests, these transmission may be in the form of FTP, SFTP or NDM. Modernizing the current process, DASD, TAPE, VSAM datasets space utilization and performance tuning, storage migration from TAPE datasets to DASD.

• Deliver new and complex high-quality solutions to clients in response to varying business requirements and involved in Analysis, design, development, testing, implementation, and post deployment support activities
• Analysis of current legacy process and modernizing and enhancing the performance of current process as part of the regular maintenance activities
• Work order review and approval, QA reviews and approvals. Production support, incident handling activities on rotation basis
• Dataset migrataions from TAPE datasets to DASD. Space utilization and performance tuning of datasets PS, PDS, VSAM, GDGs
• MT processing of the failure transmissions and the critical GSA financial file identification and validations continuous interaction with business team
• Involved in Coding and testing, System Testing, UAT and testing in Training regions using the mainframe technologies like COBOL, JCL, CICS, VSAM, DB2, Changeman and SPUFI
• Attending daily status calls, discussing status, issues and road blockers. Some time driving DSUs, when needed. Responsible for guiding junior team members / offshore team thru daily touch base meetings
• Participate in after meet discussions, walk through sessions and developer's touch point meet to find solutions to new issues/road blockers of the cards handled by team. Regular status updates
• Identifying the critical incidents logged in IT portal in the Team Track and interacting with the team to resolve the incidents as part of system testing support and User Acceptance Testing, Production issues
• Customer interaction and timely reporting to Client management Team
• Assist other project teams with requirement analysis, impact analysis, regression, and functional integration testing of the project related changes. Continuously identify and implement perfective maintenance solutions to automate manual processes
• Carryout other defect prevention activities including defect causal analysis

Application Mainframe Developer (Modernization) at Deloitte (2023-08 – 2025-03)

Mainframe Developer (Mainframe Modernization) worked at Deloitte through Symphony Corporation for DHS.

The Client

Assistance for Re-employment and Economic Support (CARES) is an integral part of the Wisconsin Department of Health and Family Services Commission's efforts to modernize its eligibility system. CWW is the first of several projects that will transition CARES from a mainframe user interface system with screens to an internet or web-based user interface with web pages. CARES has issued more than $200 million in benefits to Wisconsin residents and will serve as the technological foundation for a more integrated health and family services system.

The current DHS Bureau of Information Technology Services (BITS) and Beneficiary Earnings and Data Exchange (BENDEX) and Wire to Wire Third Party (WTPY) Process modernized through enhancements as part of Mainframe Changes including: Enhance the BENDEX Data Exchange (DX) process by changing the processing of the BENDEX file from a bi-weekly to daily process, incorporate the full 800-byte file currently being send by Social Security Administration (SSA) and storing the additional information in CARES. Enhance the annual Cost-of-living Adjustment (COLA) process by making the processing of the COLA file non-dependent on the load test region, automating the re-triggering of WTPY information for CARES individuals who did not receive the annual COLA update, and automating the processing of the annual COLA file and the pausing of BENDEX updates between the time in which COLA file is received.

• Analysis of current legacy DHS BITS, BENDEX and WTPY process and prepared the design for the modernization of the existing flow and prepared DFD
• Involved in Coding and testing, System Testing, UAT and testing in Training regions using the mainframe technologies like COBOL, JCL, CICS, VSAM, DB2, Changeman and SPUFI
• Attending daily status calls, discussing status, issues and road blockers. Some time driving DSUs, when needed. Responsible for guiding junior team members / offshore team thru daily touch base meetings
• Participate in after meet discussions, walk through sessions and developer's touch point meet to find solutions to new issues/road blockers of the cards handled by team. Regular status updates
• Deliver new and complex high-quality solutions to clients in response to varying business requirements and involved in Analysis, design, development, testing, implementation, and post deployment support activities
• Identifying the critical incidents logged in IT portal in the Team Track and interacting with the team to resolve the incidents as part of system testing support and User Acceptance Testing, Production issues
• Customer interaction and timely reporting to Client management Team
• Assist other project teams with requirement analysis, impact analysis, regression, and functional integration testing of the project related changes. Continuously identify and implement perfective maintenance solutions to automate manual processes
• Effectively use the work products, library management tools, methods, and configuration management tools to design from requirements and hence provide a complete solution
• Carryout other defect prevention activities including defect causal analysis

Bachelor of Engineering in Computer Science & Engineering – Orissa Engineering College, Bhubaneswar, Utkal University (1996 – 2000)