 He also played for Canvey Island, Kettering Town, St Albans City, Royston Town, Soham Town Rangers and Bishop's Stortford.On 8 October 2015, Theobald and fellow senior player Robbie Nightingale took over as joint-managers of Isthmian League First Division North club Soham Town Rangers.He remained in the role until 4 December 2016, when he followed Nightingale out of the club.