He will also remain at the club for the 2025 season, having signed a two-year contract with the Titans.
“Harley has shown he has a high level of football IQ and is looking for an opportunity to take his game to the next level,” he said.
“He adds to our outside back stocks and I'm confident he will be pushing to be part of our first grade squad on a regular basis.
“We look forward to welcoming him to the Gold Coast and are excited to see where he can take his football at the Titans for 2024 and beyond.”
The Canberra Raiders have also officially released Brad Morkos from the remainder of his contract. Morkos spent two season with the club and played 40 games for the NSW Cup side and received the NSW Cup Coaches' Award for the 2023 season.
"The Canberra Raiders would like to thank Harley and Brad for their time at the club and wish them all the best for the future," a Raiders statement read.