Hi everyone,
I’m a non-EU citizen currently living and working in Germany, and I’m hoping someone here may have gone through a similar residence permit transition.
I am currently finishing my PhD at a German university and am employed there as a research associate. My current residence permit is under §18d AufenthG (research) and is valid until early 2027.
I have now received and accepted an offer for a permanent industry position in Germany, with a proposed start date of 1 December 2026. The position is a highly qualified STEM role and the salary is comfortably above the EU Blue Card threshold.
My understanding is that I cannot simply start the new job using my existing §18d permit, since it is tied to my current research employment, so I would need to change to an EU Blue Card (§18g) (or otherwise receive explicit authorization for the new employment) before starting.
There is one additional detail regarding the degree qualification. I expect to defend my PhD around November, so I don't want the Blue Card application to depend on the PhD being formally awarded. Instead, I already have an MSc in Physics from a well-known Canadian university. The university is listed as H+ in Anabin, but my exact MSc degree does not seem to have a sufficiently clear individual entry there. Because of this, I am planning to request a ZAB Statement of Comparability as soon as I receive the signed employment contract. From what I understand, ZAB has an expedited processing route for Statements of Comparability needed for EU Blue Card applications.
My current plan is therefore roughly:
September: receive signed employment contract → immediately submit ZAB application → contact my local Ausländerbehörde and initiate the Blue Card/change-of-purpose application.
October: hopefully provide the ZAB statement and any additional documents requested by the Ausländerbehörde.
Early November: assess whether authorization by 1 December still looks realistic. If there has been no meaningful progress by then, I would talk to the new employer about postponing/amending the start date rather than risking starting without the correct authorization.
I would also only terminate my current university employment once I have sufficient certainty that I will actually be authorized to start the new job. My current residence permit itself remains valid well beyond December, so the issue as I understand it is specifically authorization to work for the new employer, rather than my right to remain in Germany in the meantime.
A few questions for anyone familiar with this process:
Has anyone here changed from §18d to §18g while already living in Germany? How long did it take?
Is roughly three months (September → December 1) a realistic timeline if the application is submitted promptly?
Can the Ausländerbehörde authorize the new employment before the physical Blue Card/eAT has been produced? In other words, if the application is approved but the card is still being manufactured, is there normally some form of temporary documentation that explicitly permits starting the new job?
Does it make sense to contact the Ausländerbehörde at the same time as submitting the ZAB application, explaining that the Statement of Comparability is pending, or would you wait until the ZAB statement has arrived?
For people who have used the expedited ZAB procedure for an EU Blue Card, did the advertised faster processing time roughly match your experience?
Is there anything else in this plan that I am misunderstanding or should be particularly careful about?
I realize processing times vary enormously between Ausländerbehörden, so I'm not expecting anyone to predict whether mine will finish by December 1. I'm mainly interested in experiences with the §18d → §18g transition, especially for people who were already legally resident and employed in Germany when they applied.
Thanks!
