As you asking for the jobs in the ISRO let me tell you that for getting a job in ISRO you may earn minimum 70 % Aggregate marks in your Engineering degree .you may apply in the ISRO for the post of the Scientist engineer . As per my knowledge the Notification for the job may released in the month of feb Every year.

The written test is conducted in the third week of April and the interview is conducted in the month of July.

here I am giving you the procedure by which you may get the detailed information about the jobs of the ISRO.

go to the official site of the ISRO
ISRO



there on the bottom of the page you may see the link of the career click on that .it may redirected you to the page from there you may found the details of the job opportunities of the ISRO

For your convince here I am giving you the snapshot of that page

ISRO career