Born in Goa, Kattimani started his senior professional career with local club Vasco in 2008 who were about to make debut in I-League. On 26 September 2008, he made his I-League debut in opening game of the season against local rivals Sporting Goa which ended in a 1-0 loss.[2] He kept his first professional cleansheet in next game against JCT FC on 2 October which ended in a goalless draw.[3]
Dempo SC
In the following year, he switched to another Goan club Dempo and went on to represent the club for seven years.[4] He won the I-League twice (2009–10 and 2011–12) with the side.[5]
On 24 July 2014, Kattimani was drafted by Goa for their first even Indian Super League campaign.[6] He was retained by the franchise in the following year.[7] He featured for the club in the final match against Chennaiyin, which FC Goa lost by 3–2. He scored an own goal in the final minutes of the match.[8]
On 5 July 2017, Goa announced that they had signed Kattimani permanently, who signed a three-year contract with the franchise.[12]
Hyderabad FC
On 31 May 2020, Kattimani extended his contract till the end of 2020-21 season.[13] On 23 April 2021, he once again extended his contract for another season.[14] On 1 July 2022, Kattimani signed a new 2 year contract with Hyderabad.[15]