Heriberto N.
Principal Engineer

Skills

Cics

Cobol

C++

Ibm Db2

Microsoft Azure

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Bio

A seasoned system developer with a focus on high-platform environments, demonstrating deep proficiency in both batch and online systems. Expertise spans advanced skills in Cobol, JCL, TSO, and DB2. Renowned for proactive approaches, leadership capacities, and adaptability, consistently assuming high levels of responsibility. A self-critical professional dedicated to overcoming challenges, fostering teamwork, and cultivating positive professional relationships.

Senior Mainframe Developer Analyst
8/1/2023 - 1/1/2024

Assumed leadership of a system migration project due to deep system knowledge. Responsible for parameterization and execution of the migration system in DES and TQS environments, which precede the homologation and production systems. Proficiency demonstrated in Cobol, JCL, CICS, and SORT for both Batch and Online systems within IBM z/OS, TSO, Endevor, Solve, ISPF, and SDSF environments. Worked with SQL/DB2 databases utilizing tools like QMF, File Aid, and Dbeaver. Scheduled migration systems using Control-M and implemented agile Scrum methodology for project management. Provided support in resolving defects and addressing emergency-level technical issues. Led the NSGD account migration system, successfully migrating over 280 million accounts across Brazil.
Tech Lead Mainframe and On-call
11/1/2019 - 8/1/2023

Led a team of 13 Mainframe developers, overseeing solution proposal analysis and source code reviews to ensure performance and maintenance standards. Worked closely with the Product Owner to propose and implement continuous improvements in the migration system, enhancing user experience and product effectiveness. Developed comprehensive expertise in Cobol, JCL, CICS, and SORT with both Batch and Online systems within IBM z/OS, TSO, Endevor, Solve, ISPF, and SDSF environments. Managed databases in SQL/DB2 utilizing QMF, File Aid, and Dbeaver, and scheduled migration systems using Control-M. Utilized Agile Scrum methodology on Azure to streamline processes. Played a crucial role in support operations, resolving defects and technical issues at emergency levels. Contributed significantly to achieving CMMI level 3 certification. Served as the on-call specialist for production abend responses in consolidator and migration systems.
Senior Mainframe Developer Analyst
3/1/2015 - 3/1/2021

Developed expertise in COBOL, JCL, CICS, and Natural, both in batch and online systems, within IBM z/OS, TSO, KDZ, RDZ, and ROSCOE environments. Created automated tests using REXX and applied agile Scrum methodology to streamline workflows. Demonstrated advanced debugging skills with CICS COMMAREA/Container in CEDF. Spearheaded a significant project involving reading COBOL source code in C language for Mainframe (XL C/C++) aimed at function point analysis, resulting in substantial cost savings.