Romain Sellier

Romain Sellier is an experienced network and security engineer currently working at DSI Group since September 2022. Previously, Romain served as a Systems and Networks Engineer at Hitachi Rail STS from September 2020 to June 2022, focusing on system and network administration and providing level 1 and 2 support. Romain also held the position of Systems and Networks Administrator during an apprenticeship, where responsibilities included firewall migration, Active Directory management, and additional support tasks. Romain is pursuing a Master's degree in Network and Systems Engineering at Paris-Sud University, expected to be completed in September 2024.