It's a 3-step process that took about 3 hours since you need to go through 2 rounds of sewing tests before the 3 one-on-one interviews. It was 3 hours for me, but I have plenty of prior sewing experience, and it seemed to take longer for others who were beginners. After getting a call from the recruiter, I was scheduled for a slot in a hiring event about 2 days later (hiring event was on Friday) since they do demostrations in groups. I was supposed to have a group of 4 people, the group before me consisted of 5 people with 1 person being dismissed the first round. The first round is a test where they tell you the basics of using the microscope and how to sew the stitch with forceps. You have to perform the stitches on paper tissue that come with pre-punched holes (kind of like what they use for masks or hospital gowns). A video demonstrating it plays on loop in the background so you can reference if you didn't understand the first watch, but they have about 3 people supervising to provide a more detailed demonstration. The second round is in the cleanroom where you test on actual animal tissue. You get the full sanitation and PPE preparation experience before entering the room. It's the same room where other technicians are working. I thought it was fun. Be sure to be careful. Try not to stress since shaky hands make focusing under the microscope a pain. Accuracy matters more than speed, so try to make sure you get your stitches right- loop direction matters and they can see when you do it wrong. I didn't get it wrong, but I overheard one of the supervisors tell my group member that. The third round is the one-on-one interviews with the various managers/supervisors, I had 3 to meet. It's pretty straightforward. Just be yourself, be honest, and show a willingness to learn. It's easy to be passionate when it comes to making parts that literally save lives. I would say the hardest part is that any belongings get stored at the lobby so you're running on no water the whole time. Be careful if you're a chronic hydrater with a dry throat like me. I finished before the other person in my group got out of the second round, but he had never sewn before.