There is an API called QWCLSCDE that you can use. Doc available at http://publib.boulder.ibm.com/iseries/v5r2/ic2924/index.htm?info/apis/qwclscde.htm
Search the Internet with this and it will give you samples and examples like this one: http://www.think400.dk/apier_7.htm#eks0002
Have fun !
There are 2 different ways you can do this…
1. CVTJOBSCDE from TAATOOL allows you to convert the job scheduler jobs to a database file.
2. *PRINT the WRKJOBSCDE and then convert the spool file to a database file.