Anyway, I need to continue my automation job after the "higher priority" processes completed. Thus, the working directory of my process is EXTREMEly important.
So, before killing the job, I have already gotten the pid. To get the working directory, use pwdx command with the pid will do.
For further information or more ways to do this, check out this page: http://www.cyberciti.biz/tips/linux-report-current-working-directory-of-process.html