The sheriff's office has confirmed Sergeant Thomas Grilione retired on September 28.
In May, Grilione was arrested for drunk and disorderly conduct and possession of a controlled substance at a business in Clovis.
Grilione was arrested for a second time in May on suspicion of DUI at Bullard and Minnewawa.
He was cited and released.
Grilione had been on administrative leave with the sheriff's office before his retirement.