The School of Integrated Climate and Earth System Sciences SICSS is a Graduate School that conjoins all scientific early career stages: from MSc study programs, through doctoral projects towards Postdoc and JProf status. SICSS is an integral part of the educational concept of Universität Hamburg (which has awarded the status of a ‘University of Excellence’ in 2019). SICSS stands for interdisciplinary and research-oriented education in Earth and Climate System Science. The consortium ‘KlimaCampus Hamburg’ (with the cluster of excellence ‘CLICCS’ and its partner institutions) provide an ideal infrastructure and research environment for early career researchers in Hamburg.