Career
Early career
Born in Corbeil-Essonnes, Atangana made his senior debuts with United States Avranches in CFA 2, after having trials at Luton Town, Gillingham, West Bromwich Albion and Grays Athletic. After subsequently representing SU Dives, he moved to Spain, joining Girona Football Club and being assigned to CF Riudellots, the club"s farm team Atangana was called up to the main squad in Segunda División in November, but failed to appear with the club
In the 2013 summer Atangana moved to United States Gravelines Foot, also in France"s fifth division.
Havant & Waterlooville
In September 2013, Atangana signed with Havant & Waterlooville. He made his debut on the 30th, starting in a 1–1 FA Trophy draw against Gloucester City.
Atangana made his league debut on 19 October, starting in a 0–0 draw against Dover Athletic. Portsmouth
On 19 June 2014, Atangana signed a two-year contract with League Two side Portsmouth, for an undisclosed fee.
He made his debut for the club on 9 August, coming on as a substitute for fellow debutant Craig Westcarr in a 1–1 away draw against Exeter City.
Atangana scored his first Pompey goal on 20 December, netting the equalizer in a 1–1 draw at Cheltenham Town. He appeared in 30 matches during the campaign, mainly due to the injury of starter James Dunne. Leyton Orient
On 20 January 2016, Atangana joined Leyton Orient on an 18-month contract until the end of the 2016/17 season for an undisclosed fee.
Atangana was given the number 15 upon arrival.