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Leo Oliveira is an experienced System Administrator with a strong background in IT and cybersecurity, currently serving at ReTrain Canada and s01ve Cyber Solutions. With prior roles including System Administrator at Brona Transport Ltd and Fraud Analyst at Concentrix, Leo possesses expertise in system maintenance, configuration, hardware and software troubleshooting, and network management. An educational background includes a BSc in Computer Information Systems from University Methodist Granbery and a Computer Technician degree from SENAI. Leo's career commenced as a Helpdesk Technician at HiDoctor NET Technology, leading to over a decade as an Information Technology Manager at Centralx.Com Ltda, where key responsibilities involved managing IT systems, virtualization platforms, and ensuring data integrity.