A. de Jong Groep B.V.
Arnold Hartmann is currently working as an Assistent-projectleider at A. de Jong Groep. With previous experience as a Werkvoorbereider at Van Galen Klimaattechniek and in service roles at ENGIE and Imtech Nederland, Arnold has a solid background in the field. Arnold holds a mbo 4 degree in service technicus installatie techniek from Zadkine, along with mbo 3 and mbo 2 degrees in related fields.
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