I don't know specifically about the 1500's but the crew on a tall ship in the 18th Century would include a first mate, boatswain, ship's carpenter, pursar to name a few. There are more but I am researching the topic myself. This is what I have found so far.
the Tudor sailors jobs were scrubbing the deck watching out on the water in case other ships attack
cool
swimming and fishing.
to look cool
They were poor.
what do tudor explores eat on the gold hind
They sleep in Victorias back yard
scurvy, black death or food poisoning
No
How did the jobs on the ships work
cooking, chimney sweeping, cleaning and being a servant
2000 warriors made it up