Leidend ambtenaar
De ambtenaar of iedere persoon belast met de leiding van en de controle op de uitvoering van de opdracht.

Definities overheidsopdrachten (overheid.vlaanderen.be)

Dutch

  • leidend ambtenaar

English

  • the official in charge of X
  • the official directing the X
  • senior official[1]
  • executive official
  • lead official
  • principal official
  • executive officer
  • supervising official[2]

Note: ‘official’, ‘civil servant’ and ‘official’ all work.

French

  • fonctionnaire dirigeant[3]

References

  1. https://www.proz.com/kudoz/dutch-to-english/government-politics/1607570-leidend-ambtenaar.html
  2. The fonctionnaire dirigeant (often a qualified engineer) is a person appointed to supervise the performance of a contract (often for works). • He/she will sign off on the completed contract. • Her counterpart on the contractor's side is the "project engineer" https://www.proz.com/kudoz/french-to-english/business-commerce-general/2537174-fonctionnaire-dirigeant.html
  3. https://www.proz.com/kudoz/french-to-english/business-commerce-general/2537174-fonctionnaire-dirigeant.html