Jenkins can be configured for monitoring external jobs such as CRON jobs:

Questions & AnswersCategory: Computer ScienceJenkins can be configured for monitoring external jobs such as CRON jobs:
Vicky asked 2 years ago

Jenkins can be configured for monitoring external jobs such as CRON jobs:
a. Select the ‘Monitor External job’ option under ‘Post Build Actions’ section
b. Select the ‘External’ project type
c. Select the ‘Monitor External job’ option under ‘Build Triggers’ section
d. Select the ‘Monitor External job’ option under ‘Build Step’ section