Hristina Kostic

Hristina Kostic currently serves as a System Application Administrator with the International Committee of the Red Cross, a position held since June 2025. Prior to this role, Hristina worked as a Junior Operations Engineer at Mainstream from March 2023 to June 2025 and as an IT Operations Monitoring Analyst at GDC Services for nearly a year from February 2022 to December 2022. Hristina's earlier experience includes serving as a Quality Control Supervisor at Spirral between September 2020 and December 2021 and as a Rollout Command Center Agent at NCR Corporation from January 2017 to September 2020.