Your problem is going to be with the lifespan of a temp table - it only exists during the current session.  So when you create a temporary table in an...

I opened a trace, then opened the job step.  It looks like it pulls the information from the msdb..sp_enum_sqlagent_subsystems stored procedure, which looks in the registry under HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\MSSQLServer\SQLServerAgent\Subsystems.  Check there...