Remy signed for Newcastle from QPR this week.
"He's going to be a good striker for us," Jonas told The Journal, "but it will be hard for him to play, because Papiss (Cisse) has been doing the right things and working really hard. There's going to be more competition this year because we also have Shola (Ameobi).
"All the strikers are going to have to work hard because players will arrive and want to go straight into the team. It's important to have competition for places. All the players want to stay and if new players are going to come we have to work harder to keep our places."
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