Assistant Customer Servives I - We mine, process and sell industrial minerals at locations worldwide, focused primarily on silica, clays, feldspathics and olivine. We are also leaders in glass recycling. The Sibelco Group operates over 110 production sites in 31 countries, with a team of over 5,000 people. - Location:_Sibelco Portuguesa Lda HQRole Purpose:- You will ensure that you work to the departmental processes in order to provide excellent customer service whilst complying with local regu…