Just click on one of the roles to learn more about them!
Janitor - As the Janitory, your job is simple. Keep the station clean and tidy and do all the dull maintenance work that the engineers are too busy to look at. This is a fairly relaxing and useful for new players to learn the game.
Chef - As the Chef, it's your job to provide quality food for the crew and keep them fed. Pretty easy to know what you are doing.
Bartender - As a Bartender, it's your job to keep any alcohol inclined crew happy. That means serving drinks to anyone who comes by the Bar. Also, playing pieces on the Piano isn't a bad idea either. You also have the sobriety gene, making you completely immune to the effects of alcohol.
Botanist - As a Botanist, it's your job to grow stuff for the Chef to keep the crew fed. There are plenty of vegetables to grow, and if you're feeling adventurous, there are some other less edible plants to experiment growing with.
Barber - As a Barber it's your job to give haircuts to the crew. You have plenty of haircuts to choose from as well varying colors you can dye peoples hair. This job is heavily roleplay focused so don't be afraid to talk it up with your clients!
Botanist - As a Botanist, it's your job to grow stuff for the Chef to keep the crew fed. There are plenty of vegetables to grow, and if you're feeling adventurous, there are some other less edible plants to experiment growing with.
A Crash Course In Roleplaying 
Guide to Cleaning 
Guide to Food and Drinks 
Guide to Hydroponics 
A Crash Course In Roleplaying