What is SISTEM? SISTEM is the Student Inter-Society Tech & Enterprise Meetup. An annual technical conference for students across the Isle of Ireland. This year’s conference was held on Saturday, the 26th of February, in UCD’s O’Brien Centre for Science. It was also possible to attend online via the Hopin Platform. UCD’s O’Brien Centre for Science, Exterior. UCD Conferences. Over the past 5 or so months, I helped organise SISTEM as I am the current treasurer of DU Netsoc which is an ex-officio member of the organisation committee.