Hi Nabarun, see being a Mechanical engineer and qualifying SSC exam, the candidate will get either Desk job or field job. Job could be multi-tasking staff, investigator, Stenographer etc.

Further to inform Mech. Engineer job scope in the Different government sector is mentioned in this link... go through it and you will have a broader perspective about govt. opening :

https://bsnljtoje.com/government-psu-jobs-for-mechanical-engineers/