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Master Correctional Officer (#RP3007)
$39.18-$47.63 Hourly / $6,791.74-$8,255.41 Monthly / $81,500.90-$99,064.94 Yearly




DEFINITION

Under general supervision, performs experienced prisoner custody for inmates of County detention facilities; and does related or other work as required in accordance with Rule 3, Section 3 of the Civil Service Rules.

CLASS CHARACTERISTICS

Employees of this class are considered public officers as described in California Penal Code 831 and responsible for following clearly established procedures in receiving prisoners, maintaining discipline and preventing escapes. Master Correctional Officer is the experienced level in the Correctional Officer series. This class differs from Correctional Officer by the greater degree of independence, ability to address more difficult and challenging situations, and by providing guidance and mentorship to less experienced peers. This class is further distinguished from that of sworn officer classes in that an incumbent of this class is not assigned duties within the scope of active law enforcement.

TYPICAL DUTIES

  • Receives prisoners from law enforcement officers for detention in County jail and honor farm; obtains information from prisoners; receives and records prisoners’ personal property; conducts searches, photographs and fingerprints prisoners and assigns them to cells. 
  • Supervises work and personal activities of inmates including eating, bathing, recreation, and other daily activities; supervises prisoner counseling, work rehabilitation and therapy programs; transports low security inmates. 
  • Releases prisoners from jail on proper authorization; returns prisoner’s clothing and other personal property. 
  • Collects and dispenses prisoner clothing, maintains clothing, linen, and cleaning supplies inventories. 
  • Examines packages, letters, and other articles coming into the jail for the prisoners; insures that all items conform to established policy; removes contraband. 
  • Provides first responder care and treatment during medical incidents; arranges for advanced medical treatment; handles the most complex or difficult situations as assigned. 
  • Maintains records and reports of prisoner activities and conduct; utilizes data terminals for reporting, keeping records and obtaining information. 
  • In accordance with assigned responsibilities, provides lead guidance and serves as a technical resource to other workers; serves as a subject matter expert on custody operations, security procedures, emergency response, and relevant departmental policy. 
  • Provides security for personnel providing services. 
  • May be assigned duties related to Training Officer, Classification Officer, Transportation Coordinator, Clinic Officer, Americans with Disabilities Act Officer and Correctional Emergency Response Team Operator.

MINIMUM QUALIFICATIONS

Education: Graduation from high school or satisfactory completion of a G.E.D. test (scores must meet level established by Peace Officers Standards and Training Commission).

Experience: Six (6) years working in the classification of Correctional Officer in San Joaquin County. 

License: Possess and maintain a valid California Driver’s License.

Special Requirements: (1) Meet minimum standards required for Peace Officers as set forth in Section 1029 and 1031 of the Government Code and Section 831 (c) of the California Penal Code; (2) Meet physical standards established for safety members; (3) Must have successfully completed a basic training course approved by the California’s Board of State and Community Corrections.

KNOWLEDGE

Basic human behavior; deviant behavior; custodial operations in a detention facility; basic mathematics; general computer skills; language use and mechanics; first aid.

ABILITY

Supervise inmates engaged in a variety of activities; store, issue and account for recreation equipment, clothing, cleaning supplies and other items;  understand and interpret rules and regulations;  keep records and prepare reports;  remain alert at all times and react quickly and calmly in emergency situations; handle the more complex or unique situations encountered during the course of work; follow oral and written instructions;  effectively communicate; maintain confidence and emotional control; multi-task: establish and maintain effective working relationships with others;  learn to utilize data terminals as required; provide guidance and technical direction.

PHYSICAL/MENTAL REQUIREMENTS

Mobility-Constant standing, walking, running, stooping, bending, climbing stairs; occasional driving and lifting of individuals, which require strength, coordination, endurance and agility; operation of a computer; Visual-Constant overall vision; constant color perception, constant eye-hand coordination; constant depth perception; frequent reading/close-up work; constant field of vision/peripheral; Dexterity-Frequent repetitive motion and reaching; Hearing/Talking-Constant requirement to hear normal speech; constant hearing on telephone and radio; ability to hear faint sounds; constant talking on telephone/radio; Emotional/Psychological-Constant contact with hostile individuals; frequent exposure to emergency situations; occasional exposure to trauma, grief and death; frequent public contact; frequent decision-making; frequent concentration; Special Requirements- assignments require working weekends, nights, and/or overtime; Environmental-Occasional exposure to varied weather conditions.

San Joaquin County complies with the Americans with Disabilities Act (ADA) and, upon request, will consider reasonable accommodations to enable individuals with disabilities to perform essential job functions.

CLASS: RP3007; EST: 8/18/2026; REV: 8/18/2026;