"It's either noon or midnight that I'm waking up. It's very tight quarters. Halfway through your day, you might see whales or dolphins out there. You're out on the ocean, so it's a good job," says 28-year-old Kristin Beem, who sails the world's oceans, helping equip scientists at sea fix and set up heavy machinery. A marine biology major, Kristin shares her zigzag path to a coveted STEM job, overcoming a low GPA, and tips on getting your foot in the door.