Having worked in industry and the civil service at the start of his professional career, he went to the Ecole Nationale d’Administration (ENA) in 2002, which he graduated from two years later.

He was part of the graduating class Léopold Sédar Senghor[2] and was assigned to the Prefecture department (French Ministry of the Interior).

Aniambossou started his professional career in 1989 at Altadis (formerly SEITA) as a project engineer at the research centre for tobacco technologies.

These local responsibilities enabled him to manage teams offering a wide range of skills and expertise, covering in particular areas of intervention, such as local authority aid and subsidies (at state, regional and European Commission level) aimed at investing in and reinforcing the management of SME-SMIs and intermediate-sized enterprises, protection of the industrial environment (legislation governing classified facilities and water in particular), mines and quarries and the promotion of ICT in SMEs, SMIs and intermediate-sized enterprises.

From 2011 to 2013 he served as administrator and director of institutional relations for EOLES-RES, the French subsidiary of the UK operator in the field of renewable energies.