Hadoop jobs are not only being offered by IT companies but all types of companies are hiring High paid Hadoop candidates including financial firms, retail organizations, banks, healthcare organizations etc.
To get a good job in this field, one should have in depth knowledge in Big Data. But along with knowledge one should have certification in this field.
I suggest you to go through the below certification course to create a high chance to get a good job in this field.
Hope this will help.