Position: System Architect/Linux administrator
Category: Sysadmin
English level: intermediate
Years of experience: 11

Of the latter:
Creation and deployment of a new SMS messaging platform.
Complete reconfiguration of services and the backbone of the ISP, which made it possible to increase the subscriber base 2-5 times in 6 months
Last 5 years - created and maintained virtual infrastructure, deployed billing and VAS systems and services for VoIP operators, MVNO and ISP in Spain.
I am very interested in projects related to telecommunications, payment systems and information security