The Project Economic Advisor Manager (M/F) supports the Business Development Oversight department (BDO) of SEI in the area of finance, economical assumptions and financial modelling to lead the assessement of the financial evaluation of investments and existing assets. Ensures consistency in the apprroach for evaluating investments and assets in coordination with the Acquisiition, Investment and Financial Analysis department (AIFA)of Suez: IRR's, NPV, accounting indicators, payback ect.