Naiqama, 31, has played more than 120 games in the NRL and will join the Broncos on a two-year deal from next season.
Coach Joey Grima said: “Over the last four-to-five weeks I’ve been doing my due diligence on Wes and I’ve spoken to some high profile people in the world of rugby league, including players from Penrith and they all have a huge amount of respect for Wes.
“He’s holds a senior player role and was part of the Fiji leadership team and he’s the type of person we are attracting.
“I’m really pleased that the environment and the culture that we’re creating at the club is attracting good players from Super League, the Championships and the NRL. I’m proud that people are buying into what we’re doing.”
He said: “I’m very happy with my decision to sign with the club. It was always a goal of mine from early in my career to some stage play in the UK at some stage. Thanks to Joey I’ve been given this opportunity, and I can’t wait to get over, meet my new coach, staff, team mates and supporters and start preparing for exciting times ahead.
“I got to chat to Joey and his enthusiasm and energy is definitely infectious. He has a great vision for the club going forward and I’m very excited about being a part of the culture and development he is creating there.
“I’m coming over with my partner Jessica and can’t wait to experience the culture and live in that beautiful city.