Maamria was joined in the technical area by assistant-manager Jon Ashton this afternoon but his new club went down 2-1 to FC United of Manchester.
Maamria managed in the National League as recently as the 2015/16 season where he guided Southport to safety, after he inherited the team eight points adrift at the bottom of the table.
"I'm very excited. I'm proud to be Nuneaton Town manager and hopefully I can deliver what is expected of me," he said.
The Tunisian's last managerial position came last season as assistant at SkyBet League Two outfit Newport County, where his influence heavily aided the retention of the club's Football League status.
He has previously managed at Northwich Victoria, as well as being assistant-manager at Stevenage and Preston North End both times to Graham Westley.
The former where he averaged two points per game in the last twenty matches, to secure safety with a match to spare, after arriving with the club fifteen points adrift at the foot of the table. Such an achievement was recognised with the award of the divisions manager of the season.
Whilst at Stevenage he played an influential role in the club's rise from Non-League to League One play-off semi-finalists.
"I've been watching games and monitoring players and teams. I'd like to think I know the league pretty well. It is a strong league, there are a lot of former football league clubs here. It is going to be difficult but having looked at everything, I think I can add a lot of value to the football club."
As a player, Maamria played across three continents, allowing for his diverse and cultured footballing outlook, that he seeks to implement.
"I've got to work with what I've got and I've got to be hands on".