The Collaborative International Dictionary of English v.0.48:

Jenkins \Jen"kins\, n.
   A name of contempt for a flatterer of persons high in social
   or official life; as, the Jenkins employed by a newspaper.
   [Colloq. Eng. & U.S.] --G. W. Curtis.
   [1913 Webster]

The Free On-line Dictionary of Computing (19 January 2023):

Jenkins

    An open source service for automatically running tasks
such as compilation
   and deployment as part of a Continuous Integration and	Continuous
Delivery set-up.
   Jenkins has a web interface that can be used to	control tasks and
view their progress.
   Jenkins has many plugins that let it interact with other systems,
e.g. triggering
   tasks when changes are pushed to git.

   (https://www.jenkins.io/).

   (2021-10-29)