French phrase
Je resterai en poste jusqu'au ~.
Meaning
I will remain in my current position until ___.
When to use it
The current role continues until a set point. Polite and firm in speech or email.
Example dialogue
Je resterai en poste jusqu'au départ du directeur.
I will remain in my current position until the director's departure.
Très bien, merci de m'en avoir informé.
Very well, thank you for informing me.