Carlos joined LACNIC in 2010 as the first member of the newly formed Research and Development group. He was involved in promoting IPv6 and DNSSEC adoption and the Resource Certification (RPKI) Project. During 2013, Carlos was appointed Manager of ­LACNIC's Security and Stability Program; in 2014, he became LACNIC's Chief Technical Officer.
His projects and research interests include Internet measurements, particularly the benefits of Internet Exchange Points; security in BGP and routing; security in the Domain Name System, specifically DDoS mitigation; and deployment of DNSSEC. Carlos is an appointed member of ICANN's Security and Stability Advisory Committee (SSAC.) and has taught Computer Security and Computer Networking classes for undergraduate students at several local universities in Uruguay.