INTERNAL AFFAIRS INVESTIGATOR, PROBATION

Los Angeles County
  • Los Angeles, CA
  • $117,941.52–$150,544.32 Per Year
1 day ago

Job Description

INTERNAL AFFAIRS INVESTIGATOR, PROBATION

Salary

$117,941.52 - $150,544.32 Annually

Location

Los Angeles County, CA

Job Type

Full time

Job Number

F8639B-R

Department

PROBATION

Opening Date

09/29/2026

  • Description
  • Benefits
  • Questions

Position/Program Information

EXAM NUMBER

F8639B-R

TYPE OF RECRUITMENT

We welcome applications from everyone.

FILING PERIOD

The application filing period will begin on Wednesday, September 30, 2026 at 8:00 a.m. (PT) - Continuous.

We will keep accepting applications until the position is filled. The application window may close unexpectedly once we have enough qualified candidates.

Why work for us?

With almost 10 million residents, Los Angeles County is the most populous county in the nation! As the largest employer in Southern California with over 100,000 employees in 39 departments, we provide vital and diverse public services like law enforcement, property assessment, public health protection, water conservation, and cultural activities.

The County has more than 2,100 different job types, offering a lifetime of opportunities and careers! We are dedicated professionals committed to preserving the dignity and integrity of the workplace as well as protecting the rights of each employee. Join us and discover one of the strongest public-sector benefits packages in the county with a rich selection of health care options, robust retirement plans and the flexibility to work, relax, and rejuvenate to reach your fullest personal and professional potential.

Essential Job Functions

  • Conducts complex, confidential, comprehensive, and sensitive criminal and administrative investigations by thoroughly researching alleged misconduct and/or violations of the law.
  • Prepares affidavits to present to a court of law and obtains valid arrest/search warrant that will withstand judicial review.
  • Prepares or works with County Counsel or prosecuting attorneys to prepare criminal or administrative subpoenas to further investigative efforts.
  • Coordinates tactical operations and prepares operational plans to gather facts, evidence, and information supporting an investigation.
  • Serves as a liaison with Courts, State, federal, and local law enforcement agencies to further ongoing criminal and administrative investigations.
  • Interviews witnesses and interrogates suspects in investigations to identify violations of law and/or policies using industry standard investigative techniques.
  • Analyzes written, visual, and/or audio evidence to effectively investigate allegations of misconduct and violations of the law.
  • Develops, documents, and utilizes informants in compliance with departmental policy and the law.
  • Makes arrests for violations of the law to ensure institutional and public safety using established law enforcement techniques.
  • Conducts searches of persons or property to collect evidence and ensure officer safety, utilizing established law enforcement techniques and equipment.
  • Conducts covert, physical, mobile, and/or electronic surveillance of suspects in compliance with the law and department policy.
  • Responds in person at various hours to conduct investigations in areas under the jurisdiction of the Probation Department.
  • Prepares criminal cases for referral to the District Attorney for prosecution.
  • Prepares cases for the department for administrative personnel actions.
  • Testifies in administrative hearings, civil litigations, and criminal proceedings as a witness regarding investigative findings and conclusions.
  • Prepares detailed investigative reports documenting findings, conclusions, and recommendations for disciplinary action or criminal prosecution, if warranted.
  • Performs related duties as assigned or as necessitated by emergencies and/or other critical operational needs.

For more information, please click Here to view the classification specification

Requirements

REQUIREMENTS TO QUALIFY

A Bachelor's degree* from an accredited college or university.

AND

Option I: Four (4) years of experience conducting criminal or administrative investigations as a peace officer*, three (3) years of which must have been at the level of Assistant Probation Director or as an Investigator, Detective, or Agent with a state, county, or local law enforcement, corrections, or community corrections agency.

At the level of: You may still qualify even if your job title isn't exactly the same as the ones listed above. What matters is that your experience is at a similar level - meaning your job involves similar responsibilities, requires comparable skills and knowledge, and takes place within a similar organizational structure. Please provide a clear explanation of your experience to demonstrate that it is at the appropriate level and within a similar organization.

OR

Option II: Four (4) years of experience as a peace officer conducting criminal or administrative investigations as a Supervising Deputy Probation Officer* within Los Angeles County.

As a: To qualify under this option, you must hold or have held the payroll title of Supervising Deputy Probation Officer.

  • To receive credit for your education, include a legible copy of all relevant official documents, including your diploma, transcript, or letter/certificate from an accredited institution or email it to klent@hr.lacounty.gov within seven (7) days of filing your application. Documents should show the date the degree was conferred and be in English. If not in English, then translation is required. International degrees must be evaluated for equivalency to U.S. standards if not listed in the International Handbook of Universities or World Higher Education Database. Documents marked as unofficial will not be accepted. For more information on our standards for educational documents, please visit: https://file.lacounty.gov/SDSInter/dhr/070812_PPG123.pdf

Criminal or administrative investigations must have been in an investigative unit, or a specialized unit or task force. Investigative work for all applicants should include carrying an investigative caseload and performing duties such as: apprehend and arrest suspects; develop field operation/investigation plans and safely execute them; develop relationships with informants; examine a variety of records to locate links in chains of evidence or information; gather in-depth background data and information; identification and surveillance of suspected criminal activity and location; identify, gather, preserve, verify, and analyze pertinent records and all types of evidence, including photographs, taking measurements, and drawing diagrams/sketches; identify, locate, and interview/interrogate suspects, subjects, or witnesses and analyze their testimony; investigate complaints of civil, criminal, and/or administrative misconduct; monitor electronic surveillance equipment; plan, coordinate, and participate in law enforcement actions involving criminal suspects, and work undercover, as well as participate in covert investigations and raids; prepare the case for legal proceedings and/or testify in court proceedings; report facts and statements; work with other law enforcement agencies and the courts; write and serve search warrants and administrative subpoenas; and write arrest and investigative reports.

  • Qualifying peace officer experience must be consistent with Penal Code Section 830, and specifically defined in one of the following Penal Code sections: 830.1, 830.2, 830.3, subdivisions (a), (c), (d), (f), (h), (i), (k), (p), (q), or (s), 830.33, 830.38, or 830.5.

At the level of Assistant Probation Director is defined as having direct responsibility for specialized programs or functions such as conducting or overseeing criminal and/or administrative investigations concerning alleged misconduct by staff, contractors, and Probation clients.

  • All experience as a Supervising Deputy Probation Officer level must have been in criminal and administrative investigative work while assigned to the Probation Department's Internal Affairs Bureau.

Withhold information:

No withholds will be allowed. Required experience and education must be fully met by the last day of filing, and clearly indicated on the application.

Endorsement of county qualifications:

If you performed work that differs from the duties described in your class specification and believe you qualify for this opportunity, please provide verification via official documentation of additional responsibility bonus, out-of-class bonus, temporary assignment bonus or reclassification study with CEO Classification within 7 calendar days of filing. Employees do not need to submit such verification if they hold or have held a position that regularly performs functions in alignment with the requirements

License:

A valid California Class C Driver License is required to perform essential job functions.

Physical class:

Class IV - Arduous: This class involves frequent heavy lifting over 25 pounds, often combined with bending, twisting, or working above ground on irregular surfaces. It includes those positions that occasionally demand extraordinary physical activity such as those in Safety positions.

Special requirement information:

  • Candidates must meet the qualifications for designation as a peace officer as set forth in the California Government Code.
  • Appointees will be required to meet State-mandated CORE training requirements as defined by the Standards for Training in Corrections.
  • Applicants must be able to perform the essential functions of this classification, with or without reasonable accommodation.
  • Peace Officers must be legally authorized to work under federal law.

Additional Information

Once we have identified that you meet our requirements, an invitation regarding the following assessment process will be sent:

Our Assessment Process:

This examination will consist of a Structured Interview weighted 100% assessing:

  • Knowledge of Criminal and Administrative Investigations
  • Knowledge of Laws, Regulations, and Ethical Standards
  • Critical Thinking and Decision Making
  • Fact Finding and Information Analysis
  • Adaptability
  • Conscientiousness
  • Integrity & Ethics
  • Planning and Organizational Skills
  • Oral Communication

You will need to meet the Requirements and achieve a passing score of 70% or higher on the Structured Interview in order to be placed on the eligible list.

Eligibility and Vacancy Information:

Candidates who pass the assessment and meet the requirements will be placed on a register in the order of their score group for a period of twelve (12) months. We will use this list to fill vacancies as they occur.

APPLICATION AND FILING INFORMATION:

We only accept applications filed online. Applications submitted by U.S. mail, fax, or in person are not accepted. Apply online by clicking on the "Apply" green button at the top right of this posting. This website can also be used to get application status updates.

Please fill out the application completely. Provide relevant job experience including employers name and address, job title, beginning and ending dates, number of hours worked per week, and description of work performed.

Copying verbiage from the Requirements or class specification as your work experience will not be sufficient to demonstrate meeting the requirements. We may verify information included in the application at any point during the examination and hiring process, including after an appointment has been made. Falsification of information on your application and any attachments will result in refusal of application, rescission of appointment, or restriction of application to future recruitments.

We will send notifications to the email address provided on the application, so it is important that you provide a valid email address. If you choose to unsubscribe or opt out from receiving our emails, it is possible to view notices by logging into governmentjobs.com and checking the profile inbox. It is every applicants responsibility to take steps to view correspondence, and we will not consider claims of missing notices to be a valid reason for re-scheduling an exam part. Register the below domains as approved senders to prevent email notifications from being filtered as spam/junk mail.

  • info@governmentjobs.com
  • klent@hr.lacounty.gov
  • vsanchez@hr.lacounty.gov

New email addresses need to be verified. This only needs to be done once per email address and can be done at any time by logging in to governmentjobs.com and following the prompts. This is to enhance the security of the online application and to prevent incorrectly entered email addresses.

Federal law requires that all employed persons have a Social Security Number, so include yours when applying.

For those who do not have access to a computer or the internet, we provide access to complete an application at public libraries throughout the county.

All applicants must file their application online using their own user ID and password. Using a family members or friends login information may erase a candidates original application record.

Anti-Racism, Diversity, and Inclusion (ARDI):

The County of Los Angeles recognizes and affirms that all people are created equal and are entitled to all rights afforded by the Constitution of the United States. We are committed to promoting Anti-Racism, Diversity, and Inclusion efforts to address the inequalities and disparities amongst race. We support the ARDI Strategic Plan and its goals by improving equality, diversity, and inclusion in recruitment, selection, and employment practices.

Testing accommodation:

If you require an accommodation to fairly compete in any part of the assessment process, you will be given the opportunity to make a request when completing your application. Please note, you may be required to submit documentation from a qualified medical provider or other qualified professional to support your request for a testing accommodation.

Testing Accommodations Coordinator: TestingAccommodations@hr.lacounty.gov

Teletype Phone: (800) 899-4099

Alternate Teletype Phone: (800) 897-0077

California Relay Services Phone: (800) 735-2922

Department Contact Name: Kyle Lent

Department Contact Phone: (213) 441-2091

Department Contact Email: klent@hr.lacounty.gov

COUNTY OF LOS ANGELES

Employment Information

Any language contained in the job posting supersedes any language contained below.

This document is intended to provide general information about the recruitment process of the County of Los Angeles. Applicants with questions about a specific job posting should contact the exam analyst listed on the posting.

Equal Employment Opportunity/Non-Discrimination Statement:

The County of Los Angeles is an Equal Employment Opportunity Employer and is committed to non-discrimination in the County workforce, regardless of age (40 and over); ancestry; color; ethnicity; religious creed; protected family or medical leave status; disability; marital status; medical condition; genetic information; military and veteran status; national origin; race ; sex; gender; sexual orientation; or any other characteristic protected by State or federal law. For more information, please visit: https://employee.hr.lacounty.gov/eeo-programs/.

Testing Accommodations for Applicants:

The County of Los Angeles complies with all federal and state disability laws and makes reasonable accommodations for qualified applicants and employees with disabilities. If a reasonable accommodation is needed to participate in the job application process, please contact the testing accommodation coordinator listed on the job posting. Hearing impaired applicants with telephone teletype equipment may leave messages by calling the teletype phone number on the job posting. For more information on accommodations, please visit: https://hr.lacounty.gov/accessibility/.

Fair Chance:

The County of Los Angeles is a Fair Chance employer. Except as otherwise permissible under applicable laws, you will not be asked to provide information about conviction history unless you receive a conditional offer of employment. The County will make an individualized assessment of whether your conviction history has a direct and adverse relationship with the specific duties of the job, and will also consider potential mitigating factors, which may include, but is not limited to, evidence and extent of rehabilitation, recency of the offense(s), and age at the time of the offense(s). If asked to provide information about conviction history, any convictions or court records which are exempted by a valid court order do not have to be disclosed. Qualified applicants with arrest or conviction records will be considered for employment in accordance with County Fair Chance Policies and the Fair Chance Act (Gov. Code Section 12952).

Employment Eligibility:

Final appointment is contingent upon verification of U.S. citizenship or the right to work in the United States.

Career PathFinder:

Resources to help current and prospective employees plan a career with Los Angeles County are available. To explore career paths to and from nearly all job titles, please visit our interactive Career PathFinder application at http://career-pathfinder.hr.lacounty.gov.

Veteran's Credit:

Pursuant to the County Charter and County policy, in all open competitive examinations (i.e., examinations open to everyone), the County of Los Angeles will add a credit of 10 percent of the total credits specified for such examination to the final passing score of an honorably discharged veteran, as well as the spouse of a deceased or disabled veteran, who served in the Armed Forces of the United States under specific conditions.

For more information on veteran's credit, please visit: https://file.lacounty.gov/SDSInter/dhr/205102_PPG_115.pdf

Revised September 2025

For detailed information, please click here

01

The information you provide on this supplemental questionnaire will be evaluated and used to determine your eligibility to participate in the next phase of the examination process. CHECK YOUR ANSWERS CAREFULLY. Any mistakes you make and/or any incomplete responses you provide in completing these questions will be used to disqualify your application even if you possess the qualifying experience or education. Be as specific as possible and include all information requested. Comments such as "see resume or application" will not be considered as a response. All information is subject to verification at any time in the examination and hiring process. Falsification of information on your application and any attachments will result in refusal of application, rescission of appointment, or restriction of application to future recruitments.

  • I understand the above information and instructions.

02

Many important notifications including invitation letters will be sent electronically to the email address provided on the application. It is important that you provide a valid email address. DO NOT select "off" under Email Preferences within your profile or click "unsubscribe" on our notices if you would like the County of Los Angeles to notify you regarding your application status, test schedules, and other important information pertaining to your candidacy for this position. Please add klent@hr.lacounty.gov, vsanchez@hr.lacounty.gov, info@governmentjobs.com, talentcentral@shl.com, noreply@proctoru.com, and donot-reply@amcatmail.com to your email address and list of approved senders to prevent email notifications from being filtered as spam/junk/clutter mail. It is your responsibility to take the above steps to view correspondence. Los Angeles County will not consider claims of not viewing or receiving notification to be a valid reason for late test administration or rescheduling of a test component.

  • I understand the above information and instructions.

03

Do you possess a Bachelors degree or higher from an accredited university or college? To receive credit for your education, include a legible copy of all relevant official documents, including your diploma, transcript, or letter/certificate from an accredited institution or email it to klent@hr.lacounty.gov within seven (7) days of filing your application. Documents should show the date the degree was conferred and be in English. If not in English, then translation is required. International degrees must be evaluated for equivalency to U.S. standards if not listed in the International Handbook of Universities or World Higher Education Database. Documents marked as unofficial will not be accepted. For more information on our standards for educational documents, please visit: https://file.lacounty.gov/SDSInter/dhr/070812_PPG123.pdf.

  • Yes, I possess a Bachelors degree and have attached official documentation of my degree to my application.
  • Yes, I possess a Bachelors degree and will email official documentation of my degree to klent@hr.lacounty.gov within 7 days of the close the filing period.
  • No, I do not possess a Bachelors degree.

04

How many years of experience do you possess conducting criminal or administrative investigations as a peace officer. Criminal or administrative investigations must have been in an investigative unit, or a specialized unit or task force. Investigative work for all applicants should include carrying an investigative caseload and performing duties such as: apprehend and arrest suspects; develop field operation/investigation plans and safely execute them; develop relationships with informants; examine a variety of records to locate links in chains of evidence or information; gather in-depth background data and information; identification and surveillance of suspected criminal activity and location; identify, gather, preserve, verify, and analyze pertinent records and all types of evidence, including photographs, taking measurements, and drawing diagrams/sketches; identify, locate, and interview/interrogate suspects, subjects, or witnesses and analyze their testimony; investigate complaints of civil, criminal, and/or administrative misconduct; monitor electronic surveillance equipment; plan, coordinate, and participate in law enforcement actions involving criminal suspects, and work undercover, as well as participate in covert investigations and raids; prepare the case for legal proceedings and/or testify in court proceedings; report facts and statements; work with other law enforcement agencies and the courts; write and serve search warrants and administrative subpoenas; and write arrest and investigative reports. Qualifying peace officer experience must be consistent with Penal Code Section 830, and specifically defined in one of the following Penal Code sections: 830.1, 830.2, 830.3, subdivisions (a), (c), (d), (f), (h), (i), (k), (p), (q), or (s), 830.33, 830.38, or 830.5.

  • No Experience
  • Less than 1 year
  • At least 1 year but less than 2 years
  • At least 2 years but less than 3 years
  • At least 3 years but less than 4 years
  • 4 years or more

05

How many years of experience, conducting criminal or administrative investigations, were at the level of Assistant Probation Director or as an Investigator, Detective, or Agent with a state, county, or local law enforcement, corrections, or community corrections agency.? Criminal or administrative investigations must have been in an investigative unit, or a specialized unit or task force. Investigative work for all applicants should include carrying an investigative caseload and performing duties such as: apprehend and arrest suspects; develop field operation/investigation plans and safely execute them; develop relationships with informants; examine a variety of records to locate links in chains of evidence or information; gather in-depth background data and information; identification and surveillance of suspected criminal activity and location; identify, gather, preserve, verify, and analyze pertinent records and all types of evidence, including photographs, taking measurements, and drawing diagrams/sketches; identify, locate, and interview/interrogate suspects, subjects, or witnesses and analyze their testimony; investigate complaints of civil, criminal, and/or administrative misconduct; monitor electronic surveillance equipment; plan, coordinate, and participate in law enforcement actions involving criminal suspects, and work undercover, as well as participate in covert investigations and raids; prepare the case for legal proceedings and/or testify in court proceedings; report facts and statements; work with other law enforcement agencies and the courts; write and serve search warrants and administrative subpoenas; and write arrest and investigative reports. Positions at the level of Assistant Probation Director assist a Probation Director l or an administrative manager of a large operational unit in the Probation Department. Incumbents must possess considerable knowledge of departmental policies and procedures as well as rules and regulations necessary to further departmental goals as they relate to day-to-day work operations or specialized programs or functions.

  • No experience
  • Less than 1 year
  • At least 1 year but less than 2 years
  • At least 2 years but less than 3 years
  • 3 years or more

06

If you claimed experience in either of the above questions, please provide the following for each position/role you have held. Name of Agency, Payroll Title, Dates of Employment (MM/YYYY to MM/YYYY), Duties performed, Hours worked per week, Name of Supervisor, Supervisors Contact Information (phone and/or email)

If you do not have any claimed experience from either of the above question, please indicate "N/A".

07

How many years of experience do you possess as a Peace Officer conducting criminal or administrative investigations as a Supervising Deputy Probation Officer within Los Angeles County. Criminal or administrative investigations must have been in an investigative unit, or a specialized unit or task force. Investigative work for all applicants should include carrying an investigative caseload and performing duties such as: apprehend and arrest suspects; develop field operation/investigation plans and safely execute them; develop relationships with informants; examine a variety of records to locate links in chains of evidence or information; gather in-depth background data and information; identification and surveillance of suspected criminal activity and location; identify, gather, preserve, verify, and analyze pertinent records and all types of evidence, including photographs, taking measurements, and drawing diagrams/sketches; identify, locate, and interview/interrogate suspects, subjects, or witnesses and analyze their testimony; investigate complaints of civil, criminal, and/or administrative misconduct; monitor electronic surveillance equipment; plan, coordinate, and participate in law enforcement actions involving criminal suspects, and work undercover, as well as participate in covert investigations and raids; prepare the case for legal proceedings and/or testify in court proceedings; report facts and statements; work with other law enforcement agencies and the courts; write and serve search warrants and administrative subpoenas; and write arrest and investigative reports. Qualifying peace officer experience must be consistent with Penal Code Section 830, and specifically defined in one of the following Penal Code sections: 830.1, 830.2, 830.3, subdivisions (a), (c), (d), (f), (h), (i), (k), (p), (q), or (s), 830.33, 830.38, or 830.5. All experience at the Supervising Deputy Probation Officer level must have been in criminal and administrative i

  • No Experience
  • Less than 1 year
  • At least 1 year but less than 2 years
  • At least 2 years but less than 3 years
  • At least 3 years but less than 4 years
  • 4 years or more

08

For the experience claimed in the above question, please provide the following for each position/role you have held? Name of Agency, Payroll Title, Dates of Employment (MM/YYYY to MM/YYYY), Duties performed, Hours worked per week, Name of Supervisor, Supervisors Contact Information (phone and/or email)

If you do not have any claimed experience from the above question, please indicate "N/A".

Required Question

Employer County of Los Angeles

Address

Los Angeles, California, 90010

Website http://hr.lacounty.gov

Numbers & Facts

LocationLos Angeles, CA
Salary$117,941.52–$150,544.32 Per Year

Skills

  • Analysis Skillsunmatched
  • Class C Licenseunmatched
  • Conservationunmatched
  • Disciplinary Actionunmatched
  • Diversityunmatched
  • Documentationunmatched
  • English Languageunmatched
  • Federal Laws and Regulationsunmatched
  • Governmentunmatched
  • Heavy Liftingunmatched
  • Higher Educationunmatched
  • Industry Standardsunmatched
  • Investigative Reportsunmatched
  • Law Enforcementunmatched
  • Legalunmatched
  • Lift/Move 25 Poundsunmatched
  • Litigationunmatched
  • Medical Conditionsunmatched
  • Operations Planningunmatched
  • Organizational Skillsunmatched
  • Perform Arrestsunmatched
  • Presentation/Verbal Skillsunmatched
  • Probation/Paroleunmatched
  • Public Healthunmatched
  • Public Safetyunmatched
  • Regulationsunmatched
  • Regulatory Complianceunmatched
  • Research Skillsunmatched
  • State Laws and Regulationsunmatched
  • Strategic Planningunmatched
  • Surveillanceunmatched
  • Tactical Operationsunmatched
  • United States Citizenunmatched

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