Ramirez is a female Tau'ri who was stationed at Icarus Base.
She and roughly 80 people were forced to evacuate Icarus Base during an attack against the base by three Lucian Alliance Ha'tak vessels. She ended up on the Destiny, an Ancient spaceship located several billion light years from Earth. (SGU: "Air, Part 1")
When Lt. Matthew Scott and MSgt. Ronald Greer explored the seed ship, Scott asked Greer if he was dating Chang or Ramirez but Greer admitted it was Dr. Lisa Park. (SGU: "Awakening")
She entered a stasis pod for the trip to the next galaxy. (SGU: "Gauntlet")