job security and permission required

Hi,
What permission is required to create and execute the job successfully?
Switch job ownership to A, but A can't execute job successfully. In the job
, there is DTS and stored procedure. What permission is required?
Thank you.
YulingSee:
269074 INF: How to Run a DTS Package as a Scheduled Job
http://support.microsoft.com/?id=269074
Thanks,
Kevin McDonnell
Microsoft Corporation
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