ˌɔn fˈoːɹtiːn mˈeɪ tˈuː θˈaʊzənd twˈɛnti wˈʌn, dʒˈɑːp wʌz ɐnˈaʊnst ðɪ ˈɪntɚɹˌɪm ɐsˈɪstənt fɚðɪ ˌɛkstɹɐklˈɑːsə sˈaɪd wˈɪslə kɹˈækaʊ tə ðɪ ˈɪntɚɹˌɪm mˈænɪdʒɚ kˈæzɪmˌɪɹz kˈeɪmˈaɪsɪk, ˈæftɚ pˈiːɾɚ hˈaɪbælə hæd fˈɪnɪʃt hɪz kˈoʊtʃɪŋ dˈuːɾiz.
On 14 May 2021, Jop was announced the interim assistant for the Ekstraklasa side Wisła Kraków to the interim manager Kazimierz Kmiecik, after Peter Hyballa had finished his coaching duties.