IT roles in techincal support

Support becomes an important and integeral part in the SDLC projects. Once the project is implemented, it needs to be supported for the warranty period of the component implemented. Many organizations use the term production support also. Following is the list of IT roles in the field of support.

Customer Support Representative
Supervisor for Help Desk center
Technical Support Representative
Technical Support Manager
Help Desk Technician
Maintenance Technician
Sales Support Technician

Disclaimer:- These are the roles and responsibilities to the best of my knowledge, please review the list and add any further information required.