This is a short script to help the DBA with documentation purposes. This would come in handy especially in those cases where you are consulting or you have taken on a new job.
Suppose you want/need to find out what SQL Agent jobs are running SSIS packages. This script will help to quickly identify those jobs.
SELECT DISTINCT j.name FROM msdb.dbo.sysjobs j INNER JOIN msdb.dbo.sysjobsteps js ON j.job_id = js.job_id WHERE js.subsystem = 'SSIS' OR js.command LIKE '%DTEXEC.exe%'