Sergio Simas

• Lead maintenance, enhancement, and development of business-critical IBM AS/400 systems using COBOL, CL, RPG, DB2, and Java. • Manage data interfaces for dealers, suppliers, and logistics partners, ensuring EDI data integrity and seamless integration. • Oversee data warehouse operations and ETL processes, improving reporting speed and reliability. • Coordinate cross-functional projects and implement technical improvements aligned with business goals.

• Supported, developed, and tested banking and lending systems on IBM z/OS, using COBOL, DB2, CICS, VSAM, JCL, and web tools (ASP, XML, Visual Basic, Java). • Led migration and standardization projects, including transition to VAGEN RDZ EGL and implementation of HSBC global development tools. • Applied ITIL best practices using ARS and GSD tools to enhance IT service delivery. • Administered SharePoint environments to support team collaboration and document management.

• Provided IT systems consultancy and analysis • Developed and analyzed systems using COBOL, DB2, CICS, and VSAM

• Developed insurance systems using COBOL, DB2, CICS, VSAM, and JCL • Assisted in enhancing COBOL/DB2 systems to meet healthcare data exchange standards under the TISS framework for Bradesco Insurance

• Provided IT consultancy and technical support for pharmaceutical manufacturing operations • Managed migration of Condor document management system • Executed backup and archival project for legacy Ellipse manufacturing system