As per me Indian Space Research Organization (ISRO) has not published any job notification for AOCP (Attendant Operator Chemical Plant) post, but here I am telling process by which you can check its job notification in near future :

Go on Indian Space Research Organization (ISRO) official website

Click on career option given in the bottom side

By click there you will land on career page which look like given below image



image

as on 7.5.2016 following recruitment notice avail there

Recruitment for the Post of Chairman-cum-Managing Director (CMD)
CENTRALISED RECRUITMENT TO THE POST OF SCIENTIST/ENGINEER 'SC' IN THE DISCIPLINES OF ELECTRONICS, MECHANICAL AND COMPUTER SCIENCE
Centralised Recruitment for the post of Junior Personal Assistants, Stenographers and Assistants
RECRUITMENT OF SCIENTEST/ENGINEER 'SC' WITH BE/B.TECH OR EQUIVALENT DEGREE IN CIVIL,ELECTRICAL,REFRIGERATION & A/C AND ARCHITECTURE
ANNUAL RECRUITMENT OF SCIENTISTS/ENGINEERS `SC’ WITH BE/B.TECH OR EQUIVALENT DEGREE IN ELECTRONICS, MECHANICAL AND COMPUTER SCIENCE
Recruitment of Scientists/Engineers 'SC' with Post Graduate Degree in Engineering/Graduate in Engineering/Post Graduate in Science/ & MBA with Human Resource
Post of Catering Attendant-A
Junior Hindi Translator
Recruitment to the posts of technical asst and technicians in LPSC
Technical Assistant
JUNIOR HINDI TRANSLATOR
LIBRARY ASSISTANT-A
TECHNICIAN-B / DRAUGHTSMAN-B
CATERING ATTENDANT-A
TECHNICIAN-B / DRAUGHTSMAN-B
RECRUITMENT FOR THE POST OF JUNIOR HINDI TRANSLATOR
Recruitment for the post of Controller
Vacancy Notification,Advertisement & Application Format for the post of director-PRL
Controller
RECRUITMENT OF LIGHT VEHICLE DRIVERS (LVD), HEAVY VEHICLE DRIVERS (HVD) AND STAFF CAR DRIVERS (SCD)