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Christina Sidiropoulou is a highly skilled Senior DevOps Engineer at Nasdaq, specializing in CI/CD solutions and automation tooling since January 2019. Christina architects and manages AWS and Kubernetes solutions using tools like Terraform, Helm, and GitLab, while also overseeing GitLab administration. Prior to this role, Christina served as a Systems Operations Senior Specialist, where responsibilities included operating trading and clearing production systems and building new cloud solutions. Christina's experience extends back to Telia Company, where positions included IoT Technical Specialist and Systems Engineer for VoIP, managing IoT solutions and VoIP systems respectively. Christina began the career as a Customer Technical Support Representative at Telia Carrier, providing support for networking issues. Educational qualifications include a Master's degree in Communication Systems-Internetworking from KTH Royal Institute of Technology, complemented by a 5-Year Diploma in Electrical and Computer Engineering from the University of Patras.