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Marcus Castro has extensive work experience in the field of DevOps and site reliability engineering. Marcus most recently worked as a Senior DevOps Engineer at ZenQMS from September 2022 to the present. Prior to that, they worked as a Site Reliability Engineer at Epos Now from November 2021 to September 2022.

Before that, Marcus worked as a DevOps Engineer at Velocity Technology Solutions from September 2018 to November 2021. Marcus also held the position of Site Reliability Engineer at Santander Brasil from December 2016 to September 2018.

Marcus has previous experience as a Systems Architect at IBM from December 2016 to May 2017. Marcus worked as a Senior Systems Engineer at Walmart.com - Brasil from June 2016 to December 2016, where they were responsible for designing and implementing reliable and scalable structures, developing tools to improve development teams' autonomy, and overseeing delivered systems.

Marcus also worked as a Systems Administrator at Walmart.com - Brasil from June 2015 to August 2016, providing support for the production environment and making necessary modifications.

Earlier in their career, Marcus worked as a Linux System Administrator at Linkpartners IT from November 2014 to June 2015. Marcus also served as a Linux System Administrator at T.T.I. TREVISAN TECNOLOGIA INFORMÁTICA LTDA from September 2013 to November 2014, where they provided proactive support, configuration, and maintenance of Linux servers.

Marcus's work experience also includes roles such as Infrastructure Analyst at Maqcit from January 2012 to August 2013, where they provided technical support and network support for medium-sized companies, and Network Administrator at TelHard Telecomunicações from April 2012 to December 2012, where they administered a computer park and implemented security measures.

Overall, Marcus Castro has a strong background in DevOps engineering and site reliability engineering, with experience at various companies in different roles.

Marcus Castro has a diverse education history. Marcus completed a Master's degree in Complex Systems Modeling at USP - Universidade de São Paulo from 2020 to 2023. Prior to that, they obtained a Graduate Diploma/Certificate in Data Science (Big Data/Analytics) from Universidade Presbiteriana Mackenzie from 2018 to 2020. In 2015, they attended two short programs, one in Web Application Architectures at The University of New Mexico and another in Cloud Computing Concepts at the University of Illinois Urbana-Champaign.

In terms of certifications, Marcus obtained the AWS Certified Solutions Architect - Professional certification from Amazon Web Services (AWS) in March 2019.