ATTENTION REGISTERED SEX OFFENDERS: Sex Offender Registrations are completed BY APPOINTMENT ONLY. Appointments are only set for Tuesdays and Thursdays. You must call 405.527.2141 during normal business hours to schedule your next appointment.
121 N. 2nd Ave.
Purcell, OK 73080

For Emergencies Dial 911
Dispatch: (405) 527-4600
Jail: (405) 527-1961
Office: (405) 527-2141

Careers at McClain County

Reserve Deputy

The McClain County Sheriff's Office is accepting applications for the position of Reserve Deputy. The Reserve Division operates within the agency as an unpaid volunteer entity. Each year, the McClain County Sheriff's Office Reserve Division members commit countless volunteer hours to the community through the program. Reserve Deputies assist in all aspects of Agency and are considered to be of upmost value to the MCSO.



To perform this job successfully, a candidate must be able to perform each essential duty satisfactorily. The requirements listed below are representative of the knowledge, skill, and/or ability required. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

Candidates must conform to the following for consideration for this position;
  • Candidate must possess High School Diploma or equivalent
  • Candidate must be at least age 21 years or older at the date of hire
  • Candidate must possess a valid Oklahoma Driver License at the date of hire
  • Candidate must not have a felony conviction
  • Candidate must not be a Defendant in an adjudicated VPO case
  • Candidate must not have a history of offenses involving domestic violence or moral turpitude
  • Candidate must not have a DUI offense within the previous 5 years
  • Candidate must pass a comprehensive background check
  • Candidate must possess at least basic CLEET Reserve Peace Officer Certification, COPS Graduate certificate (ready to test), or an equivalent out-of-state certification that meets CLEET reciprocity requirements.
  • Candidates must be of sufficient psychological stability


Job Functions

Reserve Deputies must complete the MCSO Field Training Program to perform their duties. The training program is designed to ensure proper monitoring and provide effective instruction throughout the new recruit’s training in accordance with State and Federal laws.

Each commissioned Reserve member of the MCSO is also required to complete annual continuing education hours as mandated by CLEET as well as the MCSO. In addition, Deputies are trained in many other areas pertaining to their work environment and job-related duties.

Other essential duties and functions include, but are not limited to the following;
  • Enforce all Federal, State, County and Municipal Codes (within contract cities), Statutes or Ordinances.
  • Arrest and Detention of criminal offenders.
  • Respond to crimes in progress both emergency and non-emergency in nature.
  • Protect life and property against criminal acts and to preserve the peace.
  • Provide protection against any harmful acts, both willful & inadvertent, whether of a criminal or non-criminal nature.
  • Provide emergency first responder level assistance to persons in various states of distress.
  • Provide initial services to persons suffering from mental illness and that may be in a state of crisis.
  • Assist other law enforcement agencies and personnel as needed.
  • Patrol the unincorporated areas of the County in an effort to prevent criminal acts by offenders.
  • Investigate all criminal acts, process the recovery of stolen property and vehicles, write reports on all incidents and make follow-up reports as required. 
  • Prepare case records for presentation to appropriate court for filing of charges and testify as required. 
  • Handle all emergencies, disorders, & special events & keep supervisors informed of all matters of importance. 
  • Provide various other types of public service and law enforcement duties to all persons within the county.
  • Participate in Community Service Programs throughout McClain County

Apply Now

The McClain County Sheriff's Office is responsible for patrolling approximately 580 square miles within the boundaries of McClain County Oklahoma and providing law enforcement protection to the approximate 40,400 citizens of this County. The McClain County Sheriff's Office is an all-inclusive law enforcement agency that prides itself on a high level of service, professionalism, and respect to all.

Please download the Employment Application (You will need Adobe Reader installed).

If you have questions or would like to make an appointment with a recruiter call (405) 527-2141.

If you cannot print this, you can pick one up in person from the Sheriff's Office. Once completed, please return it to the following address:

McClain County Sheriff’s Office
121 North 2nd Avenue, Suite 121
Purcell, Oklahoma 73080

If you would prefer to apply online, fill out the application and upload them.

Apply Online