The National Technical University of Athens (NTUA) is the leading and most prestigious Technical University in Greece. The Computing Systems Laboratory is one of the largest research laboratories in the Computer Science Department of the School of Electrical and Computer Engineering, NTUA. The lab is also a member of the Institute of Communication and Computer Systems (ICCS) of NTUA. It employs experienced staff in administration, training, consulting and development covering aspects of high performance computing and networking, which are most willing to offer their specialised services to the academic research community and to external customers seeking computational power. The lab has large involvement and participation in several national and European research projects.