Walter Maciel Junior is an experienced Systems Administrator and Middleware professional with extensive expertise in managing Linux and Windows server environments. Currently employed at Fiserv since January 2023, Walter oversees production, UAT, and QA/SIT environments. Previous roles include Systems Administrator at KYMO and Sr. Sysadmin at W M Informática, where responsibilities encompassed IT consulting, information security, and infrastructure management. Walter's background also includes significant contributions as a Linux Engineer at the Secretaria Municipal de Serviços da Prefeitura de São Paulo, focusing on open source web systems and virtualization. With foundational roles in technical support and network management at organizations such as KDDI and IDORT, Walter possesses a robust understanding of data center operations, server maintenance, and network security protocols. Walter holds a Bachelor of Technology degree in Redes de Sistemas e Telecomunicações from Universidade Cidade de São Paulo.
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