The Spatial Data Infrastructures (SDI) Unit of the JRC has 5 grantholder positions open. The Mission of the Spatial Data Infrastructures Unit is to coordinate the scientific and technical development of the European Directive INSPIRE, support its implementation, and lead research towards the next generation environmental information infrastructures at European and Global level. The SDI unit acts as overall scientific-technical coordinator of INSPIRE.
The open positions include:

IES-2010-301029 - Evolution of the INSPIRE geoportal and the INSPIRE architecture
IES-2010-301030 - Innovative approaches for the interoperability of data, services and models to support the development of next generation data infrastructures
IES-2010-301031 - Advanced workflow modeling for the support of interoperability of geo-spatial data, services and models
IES-2010-301032 - Environmental spatial data interoperability and harmonization
IES-2010-301033 - Spatial Data Infrastructure and Shared Environmental Information System in Lombardia

Information on how to apply is available on the IES site: http://ies.jrc.ec.europa.eu/call-for-grantholders