In 2369, after a Dyson sphere was discovered, she piloted the Enterprise-D out of the sphere by executing a 90-degree roll to slip out of the quickly closing bay doors. (TNG: "Relics")
As evidenced by the first draft script of "Relics", Rager's part was actually written originally for a male ensign named Sousa. The part was rewritten for Rager by the time the final draft of the script was issued. 
The Star Trek: Titan book series sees now-Lieutenant Rager transferring to the USS Titan following the events of Nemesis, having remained with the Enterprise crew following the transition to the USS Enterprise-E. The novel Death in Winter had stated that Rager was promoted to Lieutenant Commander after Nemesis, taking a post as second officer aboard the USS Hedderjin, under the command of Picard's longtime Stargazer XO, Gilaad Ben Zoma, but this event was later overridden in favor of her role on Titan.