Job J0001 runs on the 11th, but it needs to be a predecessor to job J0002 which runs on the 15th.
UNIX_JOB J0001 DOCMEM(docmem)
RUN 11TH DAY OF MONTH LESS 0 WORKDAYS
....
ENDJOB
UNIX_JOB J0002 DOCMEM(docmem)
...
RUN 15TH DAY OF MONTH PLUS 0 WORKDAYS
ENDJOB
Release : 12.0
Component : ESP WORKLOAD AUTOMATION
Use the JOBATTR parameter to make the job an EXTERNAL on the second run:
UNIX_JOB J0001 DOCMEM(docmem)
IF TODAY('15TH DAY OF MONTH PLUS 0 WORKDAYS') THEN +
JOBATTR EXTERNAL SCHEDULED('11TH DAY OF MONTH LESS 0 WORKDAYS')
....
ENDJOB