He won the Amlin Challenge Cup with Bath back in 2008 before making the switch to London and is delighted to have signed a new deal.
"People talk about Saracens as a special club, and they are right in many ways. There is a fantastic group of people at Saracens who work incredibly hard for each other to continue to build this great club.
"We have a long way to go in many respects, and I'm looking forward to the journey."
In further contract news Scotland international, Kelly Brown, and former Springbok, Neil de Kock, have extended their deals at the club, while Saracens have also signed 19-year-old scrum-half Ben Spencer from Cambridge.
Off the field, the coaching team has also signed extensions which will see them remain at the club until June 2014. Mark McCall (Director of Rugby), Andy Farrell (First Team Coach), Brendan Venter (Technical Director), Paul Gustard (Defence and Forwards Coach), Alex Sanderson (Forwards Coach) and Dan Vickers (Kicking Coach) have all committed their futures to the English champions.
Saracens welcome Benetton Treviso to North London in their first Heineken Cup game this season before travelling to Biarritz Olympique the following weekend in November.
And in Rounds 3 and 4 Saracens face back-to-back games against the Ospreys, with the first being held at Wembley on Saturday 10 December.