Sandra De innocentis

Programmer Analyst and Data Engineer with a strong analytical background and proven problem-solving skills. Extensive experience in global projects, application maintenance, interface development, and production support. Solid technical foundation with a career in Mainframe platforms, specialized in COBOL programming and complex database management using SQL, within the banking and human resources industries.

Proficient in executing data migration projects with ETL tools, Agile project management with Jira, and ensuring data integrity in large-scale transformations across Latin America, Europe, North America, and Asia-Pacific as part of a global team. Profile combines deep technical knowledge of both legacy and modern systems with a strong track record of achievements and impactful contributions in key projects for leading global organizations.

Mainframe Programmer Analyst and ETL Specialist at IBM CIO HR (2005-08 – 2025-11)

Monitor and support global HR and Payroll integrations; maintain and resolve issues in upstream and downstream systems.

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Desk tickets for production issues and cancellations. Analyze, estimate, and design client requirements for change requests (CRs) and evolutionary enhancements in Z/OS Mainframe environments for human resources applications. Create and maintain technical and functional documentation. Play a key role in migrating HR Master Data from Z/OS DB2 to SAP HCM and payroll components to SAP Payroll across multiple regions. Design mapping for data transformation, including requirements gathering and migration documentation.

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Agile methodologies with Jira to manage sprints, track user stories, tasks, and defects.

• Monitor and support global HR and Payroll integrations; maintained and resolved issues in upstream and downstream systems
• Attend Help Desk tickets, resolutions for production issues and cancellations
• Analyze, estimate, and design client requirements for change requests (CRs) and evolutionary enhancements in Z/OS Mainframe environments for human resources applications
• Create and maintain technical and functional documentation
• Play a key role in migrating HR Master Data from Z/OS DB2 to SAP HCM and payroll components to SAP Payroll across multiple regions
• Design mapping for data transformation, including requirements gathering and migration documentation
• Apply Agile methodologies with Jira to manage sprints, track user stories, tasks, and defects

Mainframe Programmer Analyst at HSBC (ex BNL) / BBVA (Banco Francés) (1999-08 – 2005-08)

Design solutions and propose improvements in Z/OS Mainframe environments for banking. Develop COBOL programs Batch, Cics/DB2 and Altamira. Design and executed end-to-end (E2E) and user acceptance (UAT) tests to ensure system reliability and compliance.

Support production batch processes, handle cancellations, and resolve critical issues to maintain operational continuity. Extract, validate, and maintain data from internal DB2 systems for defect analysis and resolution, improving data accuracy and system performance.

• Design solutions and propose improvements in Z/OS Mainframe environments for banking
• Develop COBOL programs Batch, Cics/DB2 and Altamira
• Design and executed end-to-end (E2E) and user acceptance (UAT) tests to ensure system reliability and compliance
• Support production batch processes, handled cancellations, and resolved critical issues to maintain operational continuity
• Extract, validate, and maintain data from internal DB2 systems for defect analysis and resolution, improving data accuracy and system performance

Bachelor in Systems Analysis – University of Buenos Aires (UBA)