"I'm really positive. This is it. The next two years are really big years for me, so I can't wait to get back," he said.
"I started training on Monday and just did a bit of light stuff but I'm feeling really good.
"When a new manager comes in, nobody is guaranteed a place. So everyone's going to be out to make the right impression before the first game of the season.
"He wants to bring success to Liverpool and I'm sure that will go down very well with the players and the fans."
He added: "First of all, I've got to get into the Liverpool team and that's going to be hard.
"Jerzy [Dudek] is a fantastic keeper and it's going to be really hard to try and displace him, but I'll give it my best shot.
"On the first day of the season, hopefully I'll be between the sticks. You've got to be playing for your club first to have a chance of getting into the England squad.
"But I'm now looking forward and hopefully I can make the squad for the World Cup in 2006."