Hints for setting up freebsd-ci (Jenkins integration) from scratch?

[Ngie Cooper]

Hi,
    I'm trying to setup the Jenkins CI system internally at $work to
test out hardware platforms we care about on a regular basis (which
includes real hardware and VMware).
    I tried following the directions here, but I got a bit lost:
https://wiki.freebsd.org/Jenkins . Do you have any additional pointers
for where I might start setting things up from scratch, i.e. how
freebsd-ci is invoked via jenkins, etc.
    FWIW my experience with Jenkins from an admin perspective is
limited so far. If I need to go read any additional documentation, I'd
be happy to do so.
Thanks!
-Ngie