Pablo holds a bachelor's degree in aeronautical engineering from the University of León (Universidad de León), Spain, and graduated with a master’s degree in aerospace engineering from the Warsaw University of Technology (Politechnika Warszawska) in 2011. After graduating university, Pablo was working as a structural engineer for several aircraft programmes, such as for Airbus and Safran in Spain, the UK and France between 2011 and 2017. From 2017 to 2020, while working as an ExoMars rover mechanical architect at Airbus Defence and Space in the UK, his responsibilities included the development of the radiosotope heater unit integration procedure in conjunction with Russian Space Agency ROSCOSMOS and ESA, as well as being a test director during the environmental test campaign.