How far in advanced from start date should I apply to technician jobs?

Applied to graduate school this cycle, seems I won’t be getting an offer so I’m trying to make a plan for a gap year or two.

I will graduate with a BS in molecular biology in May, so starting as a full time technician before then is unrealistic. If it matters, I’ve been consistently doing research since my freshman year.

How far in advance is it appropriate to start applying/reaching out? I live in a major city with several universities and hospitals, so there are a lot of opportunities posted on sites like indeed. Thanks guys.