The new ICT global strategy rely on micro-economic foundations of innovation. Those elements are concentrating in ICT Clusters. Previous research on competitive advantage of ICT Clustering strategy focused on geographic location of innovation and talent, institutional and economic issues. Today, competition and ICT Clusters rely on ICT jobs that shifted from location to another. In this paper we try to explore how ICT jobs are shifted from developed countries to developing countries on the basis of ICT Clustering strategy. ICT Job shifts assessment is a new concern for ICT Clustering strategy. Propositions and conceptual model for this study are applied with an exploratory study on El Gazala ICT Cluster in Tunisia. We find that Tunisian ICT cluster is on the way to establish a competitive advantage with ICT Job shifts, despite some weaknesses.