
Paulo Silva
Skills

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Portfolio
Work experience
Senior Mainframe Operator Euronext Securities
IBM • Full-time
Sep 2022 - Present • 3 yrs 8 mos
• Lead mainframe z/OS operations, ensuring 99.9% uptime across complex environments, utilizing technologies like JCL, DB2, CICS, and z/OS. • Collaborate closely with development and infrastructure teams to execute and optimize scheduled processes. • Oversee batch job scheduling and troubleshooting, ensuring smooth and efficient operations. • Implement monitoring and incident management, reducing downtime and improving system reliability. • Manage server clusters and mainframe environments, improving system performance by 15%
Mainframe zOS Console Operator, CIO Private Cloud Services Senior
Kyndryl • Full-time
Apr 2020 - Aug 2022 • 2 yrs 4 mos
Coordinated and assisted in transitioning mainframe operations from China and Hungary to Brazil, improving process efficiency by 20%. • Designed and implemented operational procedures for the new center of operations in Brazil. • Trained new operators to manage z/OS environments, ensuring smooth daily operations. • Supported development teams in performance optimization and troubleshooting of DB2 databases.
DBA DB2 Mainframe
IBM • Full-time
Oct 2008 - Sep 2014 • 5 yrs 11 mos
After working as an operator and scheduler I was promoted to a Database Administrator position As a DBA DB2 for z/OS, I was a key asset to my department during critical Disaster Recovery activities and supporting major DB2 problems, also supporting IBM internal systems being responsible to keep JCL applications that use DB2 Automation Tool to keep the application data healthy and Page 3 of 5 available with Online REORGs implementations and timely Backed Up (Image Copies), among other DB2 utilities such as Runstats, Modify Recovery and Statistics. Providing complete weekly maintenance attending to each customer’s maintenance window During the time I was assigned as a DBA I had a chance to participate in a War Room for a problem in a big IBM client, where all data was lost and was recovered from scratch, a lot of skill and hard work were necessary to accomplish this task. What was at the beginning a nightmare, after all the work, finished with a feeling of a well-done task and after some weeks we received big thanks from the client for all the work that was done.