What is CRNA certification? The CRNA in “CRNA certificate” stands for “Certified Registered Nurse Anesthetist”. To receive the certification to become nurse anesthetist, you’ll first have to complete a training program. After your training is complete, you’ll then have to take and pass the national certification board exam. The entire process can take anywhere from 2 to 2 1/2 years; the length of the CRNA certificate program differs from university to university. Most CRNA certification programs will require you to have at least one year of critical care nursing experience. Of course, the more years of experience you have, the more competitive you will be. As a CRNA certificate holder, your daily activities will differ depending on your job and your contract. Depending on where you end up working, you might work Mondays through Fridays, while some posts may also require working weekend shifts. Once you become a CRNA, there are many different options of employment available. You might work in same day surgery, at a freestanding surgical center, a level III trauma center, recovery room nursing, general emergency room centers, trauma center nursing, or even high-risk labor and delivery nursing.