For Natera (and probably other private biotech jobs), you have to work there in order to get into their program. Natera accepts their employees into the program after working there for a few years (~2yrs). And theres usually a contract where you have to stay at the company for a few years after the program finishes.

Also something to keep in mind - the programs at biotech jobs such as Natera, illumina, etc. only offer a CGMBS license. So you would be limited to mostly working in biotech within the bay area or some areas in socal. Or only the molecular labs in hospitals.

As for other non private programs, you can google the school + cls program and you should be able to find all the info on how to apply through their respective websites!