Capable of playing both sides of the scrum, Doran-Jones' career started at Lansdowne in Dublin whilst he was at university in the city.

[9] On 9 November 2009, Doran-Jones was called up to the England Squad for the Autumn Internationals following injury to Dave Wilson.

[10] He made his England debut on 14 November 2009 at Twickenham against Argentina as a substitute for Tim Payne.

He was suspended from Wellington College for producing a non-consensual film showing him having sex with his then girlfriend in school accommodation using a hidden camera.

Fellow pupil and future England rugby teammate James Haskell was also suspended by the school for his involvement in the film's distribution.