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Elmer Hiory Shirata Costa is an experienced IT professional currently serving as an L2 Desktop Support Engineer at ESP Global Services, providing second-level technical support for airport staff. Prior roles include IT Support Engineer at PFH Technology Group, where Elmer managed technical support channels and analytics, and Technical Support Professional at Wisetek, focusing on system installations and customer service. Elmer's background includes earlier positions as Operations Support Analyst at TIVIT and Analyst Support Junior at Colégio Adventista, along with a significant role as System Auditor at Abril, emphasizing IT process auditing and access control. Elmer holds a Bachelor's degree in Computer Science from Centro Universitário Adventista de São Paulo, completed in 2015.