The scope is good. It is used in the gas burner nozzles, Space Shuttle program, ballistic protection, bio-medical implants, nuclear fuel uranium oxide pellets, jet engine turbine blades, and missile nose cones.
Ceramic/cement engineers are involved in any of the following areas of work such as Research, Design, Production, Testing, Sales, etc.

Top recruiters of the ceramic engineers (both Private and Public):
Bhabha Atomic Research Centre
Institute for Plasma Research
Indian Space Research Organization
Public sector banks, Factories and Plants
Defense Metallurgical Research Laboratory

Rest details and scope about this branch you can check in the link below:

Cement and Ceramic Engineering Scope

Good luck!