they are a fraud, here is what they sent me along with a phony questionnaire:

Interested Candidates should email us their completed questionnaire to
this email: [email protected]

Good luck! as you take steps to the right path in building your career.

Regards
Eng,Ahmed Abdullah
Human Resources Manager
QATAR NATIONAL OIL LTD
Address: Jamaa Street
Al Dafna Area
P.O. box: 22087
DOHA QATAR
Tel:(974) 744 94269
Fax:(974) 410 050456
Email:[email protected]