- Assistant, Materials Engineering Department, IST, 1986-1994.

- Assistant Professor, Materials Engineering Department, IST, 1994-2015.

- Assistant Professor, Mechanical Engineering Department, IST, 2010-2015.

- Associate Professor, Mechanical Engineering Department, IST, 2015- .

- Researcher of Instituto Nacional de Investigação Científica (INIC), Mechanical and Materials Centre of the Technical University of Lisbon (CEMUL) 1986 -1994.

- Researcher at the Cellular Materials Unit of the Centro de Materiais do Instituto de Novas Tecnologias para a Europa Comunitária (ITEC) 1992 - 1998.

- Researcher at the Cellular Materials Group of Instituto de Ciência e Engenharia de Materiais e Superfícies (ICEMS), 1994 - 2014.

- Researcher of the Mechanical Engineering Institute (IDMEC), of Associated Laboratory for Energy, Transports and Aeronautics (LAETA) since 2015.