Krzysztof Sojka is a Senior Network Specialist at TietoEVRY, where experience spans over eight years in configuring network infrastructure within data centers and on-premises, specializing in firewalls including Cisco ASA and Checkpoint, as well as switches like Juniper EX and Cisco Catalyst. Previous positions included roles as a 3rd Tier network specialist and a member of a 24/7 connectivity team. Earlier in the career, Krzysztof worked as a Computer Service Technician at ALARMADI, focusing on troubleshooting and managing Windows and Linux systems, and as a System Operator at „KOMBI-2” Sp. z o.o. Krzysztof holds an Engineer's degree in Information Technology from Bielska Wyższa Szkoła im. J. Tyszkiewicza, attained between 2008 and 2016.