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Background Investigator

Recruitment #0113-TP0120-TM


This part-time / temporary recruitment will be utilized to fill several vacancies in the Sheriff's Office and to establish a referral list to fill future vacancies. Candidates must successfully pass a background investigation conducted by the Sheriff's Office to qualify.

Resumes will not be accepted in lieu of an application. A completed application must be postmarked or received online by the final filing deadline.

NOTE: All correspondences relating to this recruitment will be delivered via e-mail. The e-mail account used will be the one provided on your employment application during time of submittal. Please be sure to check your e-mail often for updates. If you do not have an e-mail account on file, Human Resources will send you correspondences via US Mail.


  • Conducts thorough and complete background investigations according to department policies, applicable laws, and procedural requirements; reviews applications for completeness and directs applicants to provide additional information if needed; obtains proper information release documents.
  • Contacts and conducts investigative interviews of applicants, applicant personal references and applicant employment references; develops and pursues lines of inquiry.
  • Gathers, verifies, and analyzes personal, professional, credit/financial, and educational documents; contacts other agencies, governments, and professional organizations to obtain and verify information.
  • Researches, obtains, and reviews data from various databases and information systems to verify information and/or check for inconsistencies related to applicant information.
  • Prepares letters, reports and written summary of findings; analyzes investigation results and draws logical and objective conclusions; confers with hiring managers; makes recommendations regarding suitability for employment.
  • Responds to requests for information; assists outside agencies when appropriately requested to provide background information regarding pervious applicant background investigation; answers applicant questions; refers requests or questions to managers, as appropriate.
  • Attends training sessions, seminars and conferences; trains and advises others as required.
  • May be required to travel to interview sources and verify information.

    Candidates must succesfully pass a Sheriff's Office background investigation to qualify


    Experience:   Two years performing employment applicant investigative work in a government or contract investigative agency, or four years experience as a full-time paid peace officer conducting investigations. Completion of a Peace Officers Standards and Training (POST) approved Background Investigator course preferred.



    License:    Possession of a valid California driver’s license.

    Note:  Supplemental application must be submitted with employment application.


    Principles and practices of investigation and research, including interviewing techniques, conflict management, and methods and techniques of negotiation;  electronic information systems to access data; principles of identification, report writing and techniques; principles and procedures of recordkeeping and reporting; research techniques, statistical analysis and data collection; basic computer and modern office automation technology and computer software programs relevant to department operations; relevant federal, state and local laws, codes, and ordinances related to the legal requirements of background investigations and hiring practices of applicants.


    Effectively evaluate suitability of an applicant and prepare sound recommendations based on research and analysis; demonstrate sensitivity of diverse cultures and individuals; work within stringent deadlines; organize, prioritize and perform multiple tasks to complete work; work independently; read, comprehend and interpret complex written materials; perform detailed work with accuracy; exercise good judgment in safeguarding confidential and sensitive information; exercise diplomacy when dealing with people in sensitive situations; operate computers and related software; establish and maintain effective working relationships with applicants, agencies, employees, and the general public; communicate effectively, both orally and in writing.


    Mobility-Frequent operation of a data entry device; repetitive motion; sitting, standing, walking for extended periods of time; driving; occasional pushing, pulling, bending, squatting, climbing;  Lifting-Frequently 5 pounds or less; occasional 5 to 30 pounds; Visual-Constant good overall vision and reading/close-up work; frequent color perception and use eye/hand coordination; occasional use of depth perception and peripheral vision;  Dexterity-Occasional reaching; grasping; frequent repetitive motion; writing; Hearing/Talking-Frequent hearing of normal speech, hearing/talking on the telephone, talking in person;  Emotional/Psychological-Constant decision making, concentration, and public contact; public speaking; dealing with emergency situations; Special Requirements-May require working overtime, weekends and nights; working alone;  Environmental-Occasional exposure to varied weather conditions.

    Selection Procedures

    Applicants for part-time and temporary recruitments who meet the minimum qualifications are either referred to the hiring department for further selection or they may be required to take a written examination.  If a written examination is given, the top candidates may be referred to the hiring department for further selection.

    Testing Accommodation:  Candidates who require testing accommodation under the Americans with Disabilities Act (ADA) must call Human Resources Division at (209) 468-3370 prior to the examination date. 

    Physical Exam:  Some classifications require physical examinations.  Final appointment cannot be made until the eligible has passed the physical examination.  The County pays for physical examinations administered in its medical facilities.

    Employment of Relatives: Applicants who are relatives of employees in a department within the 3rd degree of relationship, (parent, child, grandparent, grandchild or sibling) either by blood or marriage, may not be appointed, promoted, transferred into or within the department when:

    • They are related to the Appointing Authority, or

    • The employment would result in one of them supervising the work of the other

    Department Heads may establish additional limitations on the hiring of relatives by departmental rule.

    Proof of Eligibility:  If you are offered a job, you will be required to provide proof of U.S. citizenship or other documents that establish your eligibility to be employed in the U.S.

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    San Joaquin County
    Human Resources Division  Stockton, CA 95202
    E-mail | Phone: (209) 468-3370 | 8am - 5pm M-F | Powered by JobAps