unqualified russian

• безогово́рочный

  unreserved, unqualified, unconditional, undisputed

• неквалифици́рованный

  unskilled, unqualified

• малокомпете́нтный

  incompetent, unqualified, lacking competence

• деквалифици́ровавшийся

  disqualified, having lost qualification, having become unqualified