I worked for the California state system, starting as a Correctional Officer and retiring as a Lieutenant in 2005. I now write for the PacoVilla blog which is concerned with what could broadly be called The Correctional System.
Good communication skills, a thick skin and to be process oriented (rather than outcome oriented).
My GUESS is that a judge is a judge who presides over a court while a commissioner is an Administrative Law Judge who presides over an administrative hearing, such as an inmate disciplinary hearing or a parolee revocation hearing. It would, however, depending on what arena and what jurisdiction you are operating in. Not exactly my field of expertise.
I was in the middle of a couple of full-blown riots. That is kind of scary as you are never know if the riot is aimed at staff or other inmates.
CPR Trainer
 Why does the 'official' CPR method change from time to time?
Why does the 'official' CPR method change from time to time? 
                                        
                                        
                                             Professional Gamer
 What's the longest playing gaming session you've ever had?
What's the longest playing gaming session you've ever had? 
                                        
                                        
                                             Hotel Travel Blog Active 2019
 Can hotels see what I look at when connected to their in-room wifi?
Can hotels see what I look at when connected to their in-room wifi? 
                                        
                              
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