5 events will be fired:

To get players job list use:
List jobs = Jobs.getPlayerManager().getJobsPlayer(player).getJobProgression();
for (JobProgression OneJob : jobs) {
  // Do your stuff here
}
Or this if player is offline:
List jobs = Jobs.getPlayerManager().getJobsPlayerOffline(player).getJobProgression();
for (JobProgression OneJob : jobs) {
// Do your stuff here
}
To get job list:
Jobs.getJobs();