Career
Jaksche has been cycling professionally since 1997, racing for the teams Polti (1997–1998), Team Telekom (1998–2000), ONCE (2001–2003), Civil Service Commission (2004), Liberty Seguros-Würth/Astana (2005–2006) and Tinkoff Cr Systems in 2007. In the 2005 Tour de France, Jaksche was 16th overall, the best result of his six participations in the Tour. He had been 18th at the 1998 Tour de France and 17th at the 2003 Tour de France.
At the 2006 Tour de Suisse, Jaksche finished on the podium with a third-place finish.
Jaksche was one of the 9 riders held out of the 2006 Tour de France after being identified by investigators in the Operación Puerto investigation. On 30 June 2007 Jaksche admitted he was guilty of blood doping and that he was the Bella mentioned in the documents confiscated from Fuentes" clinic.