Depending on the organization, the following roles are more or less standard on most testing projects: Testers, Test Engineers, Test/QA Team Lead, Test/QA Manager, System / Database Administrator, Technical Analyst & Test Build / Configuration Manager
Mainly Testing Team comprised of
Test Engineer: Test Engineers are engineers who specialize in testing.
Test/QA Team Lead: The Test/QA Team Lead coordinates the testing activity, communicates testing status to management and manages the test team.
Test/QA Manager: QA Manager manages the testing activity, takes decisions by communicating with higher management and manages the Quality & Testing team.