Worsley, 34, who won 78 England caps and was part of the 2003 World Cup-winning squad, was forced to retire in November after failing to recover from a neck injury.
He was approached by Bordeaux-Begles president Laurent Marti for his first professional coaching role on the advice of new general manager Raphael Ibanez, who Worsley played alongside for Wasps.
Former France hooker Ibanez told the Bordeaux website: "He is someone who is hugely competent.
"I played with him for five years at Wasps and could see his qualities as a defender and the ideas he had concerning that sector of the game."
Bordeaux-Begles finished an impressive eighth in the Top 14 this term, having been tipped for relegation.
Gilbert has released a new line of rugby cleats. The Gilbert Virtuo 8S is part of the exciting new product. Check it out.
The entire All Blacks apparel line has been updated for 2013/14. Check out the New Zealand All Blacks polo.
The Nike Tiempo is a solid rugby cleat and one of few styles still made from full-grain natural leather.
The Gilbert Blitz 8S rugby cleat is a great cleat at a great price of $69.99. Get a new pair of cleats today.
A cool looking all black rugby cleat with the high performance adidas is known for. Get in the Gear!
Wear the crest of the British and Irish Lions on your t-shirt. A great look for the summer.
The All Blacks Performance t-shirt is black with hints of blue from the training jersey. Very Cool.
The New Zealand All Blacks training jersey for 2013/14. Get in the Gear!
The USA Rugby Pro Alternate rugby jersey is perfect for any fan of the Eagles. Get yours to wear during the summer Test matches.
The NEW All Blacks 2013/14 jersey has arrived at World Rugby Shop. Dare to wear the colors of the All Blacks.