This paper attempts to shed light on the competencies a university teacher must have in order to teach in virtual learning environments. A teacher training experience was designed by taking into account the methodological criteria established in line with previous theoretical principles. The main objective of our analysis was to identify the achievements and difficulties in a specific formative experience in order to assess the suitability of this conceptual-methodological framework for the design of training proposals aiming to develop teachers' competencies for virtual environments in higher education. (Contains 3 tables.)