Ioannis Brailas has been working at S.R.S.E. - G.E. of N.T.U.A. as electronic computing systems engineer (MSc) since 2008. He is the School's SQL database administrator, responsible for the installation, configuration, upgrade, administration, monitoring, maintenance, and security of the secretariat information system. He has also provided full technical support for the School's electronic computing systems.

In the past, he has undertaken various important tasks, such as statistics analysis, teleconference meetings management and coordination, security monitoring, undergraduate and postgraduate studies websites and laboratory webpages administration, announcements publishing, backup operations, maintenance supervising, e.t.c.

In 2014 he redesigned and redeveloped the School's official page www.survey.ntua.gr.

In 2016 he has been employed as a web app developer in PPC Renewables S.M.S.A. through a competition by Supreme Council for Civil Personnel Selection (ASEP), but keep providing his technical assistance to NTUA up to the present day.

Since Mid 2022 he has become the Administrator of OT Applications Development and Operation sub-sector in Public Power Corporation S.A.