The Government sector provides numerous job opportunities for these professionals. The qualified candidates can take part in the competitive examinations carried out by UPSC or State PSCs for different jobs.

The various job prospects for these professionals are -
Domain Consultants
Industries Officer (Technical)
IT Manager
Jr. Software Developer
Software Engineer
System Engineers
Team Leads/ Architect
Technology Analyst

Central Government Jobs after B.Tech in Computer Science -
The central Government sectors also offer many opportunities for the computer science professionals nowadays.

Some of the central Government sectors where these professionals can find jobs are -

Indian Railway under Signal Section
BSNL (Bharat Sanchar Nigam Limited)
ISRO (Indian Space Research Organization)
DRDO (Defense Research and Development Organization)
ECIL (Electronic Cooperation of India Limited)
AAI (Airport Authority of India)
SAIL (Steel Authority of India)
RRB (Railway Recruitment Board)
UPSC (Union Public Service Commission)
CDS (Combined Defense Service)

Jobs in Indian Railways after B.Tech in Computer Science -

The Railway departments also organize many entrance examinations for the intake of qualified candidates in the railway sectors. The aspirants can work under the signal section in Indian railways, in RRB, etc. The computer science graduates can perform in these fields as -

Technical assistant
Computer operator

Note : So you can apply according to your interest and potential.

Hope this helps!!!