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Bartosz Chojnacki is an experienced AWS Cloud Architect and SRE currently contracted with Nordcloud, an IBM Company, where responsibilities include maintaining and managing a large AWS landing zone for a Swiss-American multinational tobacco manufacturer. Bartosz also executed a Control-Tower-based landing zone for a major financial group in Northern Europe, focusing on automation and custom policies. As the owner of IT Hero Bartosz Chojnacki since 2016, the company specializes in B2B IT services, particularly in AWS Architecture and DevOps. Prior experience includes serving as SRE/DevOps Team Leader at Webellian, overseeing cloud migration for Allianz Global Assistance, and as a Senior IT Specialist at Bank Pocztowy SA, specializing in Linux and VMware systems. Bartosz holds a master's degree in telecommunication and a bachelor's degree in computer science, both complemented by postgraduate studies in IT resource management.