Yes, the character of Gina as portrayed by Alison Bartlett O'Reilley is still part of the SS cast. Her most recent appearance was in Episode 4061, the one with the new Cinderella character.
And I remember her working at Hooper's Store since 1986 when she was in her Senior year of high school. She worked there as an assistant to David, as the temporary single manager of Hooper's Store, and then as an assistant to Mr. Handford.
I also remember an episode from that time frame which involved Gina turning 18 years old and going to vote for the first time, and Susan explaining about the US citizens' right to vote.
And I also remember a multi-part episode dealing with a hurricane hitting Sesame Street, but not the one that was used as the Season 32 finale. This one was from much earlier when I had better sight.