There are many job opportunities after M.Sc. It will also depend on your feild from which you completed your Masters.

You can get employed as a  Senior/junior -manager/Executive of the operations department of any medium scale organisation. You can also be employed as a Lab Technician, Research assistant, Chemical analyst , professor, Food and Drug Inspector, Biochemist ,  Research technician, etc.

Top companies you may get recruited are:

Wipro , BHEL, Johnson & Johnson, RanBaxy , cipla etc.

But the chances of your recruitment in small scale to medium scale organisation is very high, go for that first.

Thank you