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Leo Jääskeläinen has extensive experience in IT and systems architecture, currently serving as a Systems Architect and previously as a Senior System Administrator at Sulake since June 2007. In these roles, Leo has built and managed complex production environments using modern technologies such as Linux, Ansible, Python, and AWS. Prior to Sulake, Leo worked as a Senior IT Engineer, acting as Product Owner to oversee the development of IT infrastructure. Leo’s earlier career includes serving as a System Analyst at HUMAK University of Applied Sciences, where Leo established their IT infrastructure from the ground up, and as an IT Instructor at Espoo Learning Centre, delivering courses on Linux and web programming. Leo Jääskeläinen is continuing education at the University of Helsinki since 1988.