He started his senior career at Olimpia Gherla in 2003, and had spells at CFR Cluj, FC Arieşul Turda and Barnet before joining Northwood in 2007.

[3] He then joined Aldershot Town on non-contract terms in April 2007 and was an unused substitute goalkeeper in the last two Conference National league games of that season.

[4] He signed a new contract with Aldershot Town in the summer of 2008 and he made his Football League debut in October 2008 at home against Bury.

[5] Jamiez-Ruiz signed another one-year contract with Aldershot in May 2009 and following the departure of Nikki Bull in the summer of 2009 he became the first choice goalkeeper.

[12] He made his first appearance for the Dons in the First Round of the Football League Trophy on 4 September 2012, in a 2–1 loss to Southend United.

On 21 June 2013, it was confirmed that Jaimez-Ruiz had been released by AFC Wimbledon due to the club's new goalkeeping structure for next season.