SCIGNE (Scientific Cloud Computing in Grand-Est) is a pluridisciplinary platform dedicated to the processing and management of massive scientific data. Hosted at IPHC, it is open to regional, national and international scientific actors, whether from the public or private sector. The infrastructure consists of computing and data storage systems, recognized at the European level and interconnected to several partners (France Grilles, IFB, EGI and WLCG). It is operated by a team of engineers with complementary technical and scientific expertise, that offers a range of services (training, software development, job management, writing of data management plan, etc.) to meet the challenges of Big Data and the implementation of Open Science policies.