gitlab-ci-multi-runner package does not follow recommended packaging practices
The current (1.6.1-1 on EL7) release doesn't follow recommended rpm packaging guidelines.
RPM file ownership
In particular I noted:
/etc/systemd/system/gitlab-runner.service(this directory is for the system administrator, the service file should be elsewhere)
There may be others, I haven't looked extensively. See Fedora's Packaging Guidelines.
Package appears to be built with relocations, this is strongly discouraged.
gitlab-runner is a service account, but has its home in /home. Services should be homed in their data directory such as