An FI analyst is the person responsible for providing functional and technical support to existing SAP implementations. He/she has to work with the ABAP developers and end users to analyze the business requirements and keep updating the SAP.
It is imperative to have very strong communication and management skills since a professional in this line needs to communicate with the developers and stakeholders on a day to day basis.
A FI consultant is hired to implement SAP on the client business.
Implementation of SAP demands thorough understanding of the business operations, the integration points, the various technologies already in place and the domain expertise.
Sometimes it is required to design an implementation from ground up. You as an consultant, may have to develop systems requirements, develop prototypes and carry on testing as well as training