hey,

there are various job position offered to computer science engineer such as web developer, hardware engineers, software testing, system analysts or system engineers , business system analyst, CRM technical developers, data base developer, project manager, application developer, business intelligence technology auditor, data base manager, manager , software quality assurance (QA)/ testing . manager , data warehouse etc

some of the best companies hiring computer science engineer are facebook, yhaoo,hewlett-packard, toshiba corporation , NEC corporation , apple INC. , acer INC, SAIC, TCS, HCL , L&T and many more

hope this helps!

Hii!
After completing b.tech in cse, you get a lot of career opportunities and good pay as a whole, in whatever field you choose. The fields which you can opt out of,  are -
Software engineering, software developer, software tester, database administrator, database designer, software support analyst, mobile expert, website designer, game developer, network expert
ETC.,
Hope this helps.
Good luck!