Internal Affairs Investigator, Probation

F8639A-R

TYPE OF RECRUITMENT

We welcome applications from everyone.

We will be accepting online applications from December 15 2025 at 8:00 AM (PT) until January 9 2026 before 5:00 PM (PT).

Why work for us

With more than 10 million residents Los Angeles County is the most populous county in the nation! As the largest employer in Southern California over 116000 employees in more than 38 Departments we provide vital public services as diverse as law enforcement property assessment public health protection water conservation cultural activities and many more.

We are dedicated professionals committed to preserving the dignity and integrity of the workplace as well as protecting the rights of each employee. The County has more than 2300 different job descriptions offering a lifetime of opportunities and careers! We offer one of the strongest public-sector benefits packages in the country. Join us and discover 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.

• 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 TO QUALIFY:

A Bachelors 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 isnt 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.

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.

***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 investigative work while assigned to the Probation Departments Internal Affairs Bureau.

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.

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 from the last day 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

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

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.

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

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

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.

Candidates who pass the assessment are placed on a list in the order of their score group for a period of three (3) months. We will use this list to fill vacancies as they occur.

Los Angeles County Probation may use an alternative banding method in line with Civil Service Rule 11.01D.

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.

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 could result in refusal of application or rescission of appointment. Copying verbiage from the Requirements or class specification as your work experience will not be sufficient to demonstrate meeting the requirements. Doing so may result in an incomplete application and may lead to disqualification.

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 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.

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 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.

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.

If you require an accommodation to fairly compete in any part of the assessment process contact the Testing Accommodations Coordinator at We require a completed Request for Reasonable Accommodation form as well as supporting documentation from a qualified professional justifying the request. The sooner you contact us the sooner we can respond and keep you moving through the process.

Testing Accommodations Coordinator:

Teletype Phone:

Alternate Teletype Phone:

California Relay Services Phone:

Department Contact Name: Kyle Lent

Department Contact Phone:

Department Contact Email:

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: 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: 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 .

Veterans 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 veterans credit please visit: September 2025