What does a functional consultant do?

An Oracle E-Business functional consultant will typically perform some/all of the following tasks, depending the project

Gathering business requirements
Comparing requirements to the standard features of the Oracle EBS;
Analyzing the differences and recommending customized solutions to fill the gaps;
Writing functional design documents to facilitate customized, technical solutions;
Testing the solution to match business requirements;
Delivery of the solution through project phases;
Change Management;
Post Go-Live project support;