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Investigator Trainee Jobs (NOW HIRING)

SENIOR MARINE INVESTIGATOR

New Orleans, LA · On-site +1

$106.44K - $159.58K/yr

Maintains oversight of on-the-job training for assigned civilian and military Marine Investigator trainees * Engages in public speaking appearances with members of various law enforcement groups ...

Surveillance Investigator I

Las Vegas, NV

$20.50 - $25.25/hr

Accurately report all illegal and suspicious activities to the appropriate authorities in a timely manner * Assist in the training and mentoring of Surveillance Investigator trainees * Ensure ...

The Claims Adjuster Trainee is responsible for investigating, reserving, negotiating and settling assigned property and casualty claims within provided authority. Ensures that all assigned claims are ...

The Claims Adjuster Trainee is responsible for investigating, reserving, negotiating and settling assigned property and casualty claims within provided authority. Ensures that all assigned claims are ...

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Investigator Trainee information

See salary details

$32K

$75.3K

$131K

How much do investigator trainee jobs pay per year?

As of May 29, 2026, the average yearly pay for investigator trainee in the United States is $75,325.00, according to ZipRecruiter salary data. Most workers in this role earn between $52,500.00 and $98,500.00 per year, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as an Investigator Trainee, and why are they important?

To thrive as an Investigator Trainee, you need keen analytical abilities, attention to detail, and a relevant degree in criminal justice, law, or a related field. Familiarity with investigative software, case management systems, and sometimes basic forensic tools is typically required. Strong communication, critical thinking, and integrity are essential soft skills that make candidates stand out. These skills and qualities ensure thorough, unbiased investigations and effective case resolution while building trust within the organization.

What can I expect in terms of mentorship and on-the-job training as an Investigator Trainee?

As an Investigator Trainee, you can typically expect to work closely with experienced investigators who provide hands-on mentorship and guidance throughout your training period. You'll likely participate in shadowing opportunities, attend workshops, and gradually take on more responsibility as your skills develop. The work environment often encourages asking questions and learning through real cases, helping you build a solid foundation in investigative procedures, documentation, and ethical standards. Structured feedback sessions and regular check-ins are common, ensuring you're progressing effectively and are well-prepared for advancement.

What are Investigator Trainees?

Investigator Trainees are entry-level professionals who assist in conducting investigations under the supervision of experienced investigators. Their responsibilities often include gathering evidence, interviewing witnesses, preparing reports, and learning investigative techniques. They work in various fields such as law enforcement, insurance, or corporate compliance, and receive on-the-job training to develop their skills. This role is designed to prepare individuals for more advanced investigator positions.

What is the difference between Investigator Trainee vs Investigator?

AspectInvestigator TraineeInvestigator
Required CredentialsTypically requires a bachelor's degree; some roles may need a relevant certification or courseworkRequires a bachelor's degree; often requires additional certifications or licensure depending on the field
Work EnvironmentTraining settings, supervised investigations, entry-level environmentsFull investigative roles, independent work, field and office settings
Employer & Industry UsageUsed in government agencies, research institutions, and private firms as an entry-level positionUsed across law enforcement, regulatory agencies, and private investigation firms as a fully qualified investigator

The main difference between Investigator Trainee and Investigator is the experience level and responsibilities. Investigator Trainees are in training, often supervised, and focus on learning the fundamentals. Investigators are fully qualified professionals conducting independent investigations. The transition from trainee to investigator involves gaining experience, certifications, and demonstrating investigative competence.

More about Investigator Trainee jobs
What cities are hiring for Investigator Trainee jobs? Cities with the most Investigator Trainee job openings:
What are the most commonly searched types of Investigator jobs? The most popular types of Investigator jobs are:
What states have the most Investigator Trainee jobs? States with the most job openings for Investigator Trainee jobs include:
Infographic showing various Investigator Trainee job openings in the United States as of May 2026, with employment types broken down into 94% Full Time, 5% Part Time, and 1% Contract. Highlights an 95% Physical, 1% Hybrid, and 4% Remote job distribution, with an average salary of $75,325 per year, or $36.2 per hour.
PUBLIC HEALTH INVESTIGATOR

PUBLIC HEALTH INVESTIGATOR

County of Los Angeles

Los Angeles, CA • On-site

$70.80K - $90.38K/yr

Other

Posted 20 days ago


County Of Los Angeles rating

8.3

Company rating: 8.3 out of 10

Based on 77 frontline employees who took The Breakroom Quiz

185th of 638 rated public administrative organizations


Job description

Position/Program Information EXAM NUMBER: PH5645B FIRST DAY OF FILING: 10/6/2015 Beginning Tuesday, October 6, 2015, at 8:00 a.m., Pacific Standard Time (PST). Until the needs of the service are met and is subject to closure without prior notice. TYPE OF RECRUITMENT: Open Competitive Job Opportunity DEFINITION: Enforces laws, ordinances, and regulations for the control of communicable and selected non-communicable diseases; locates, counsels and refers offenders and disease carriers and conducts other public health related investigations

CLASSIFICATION STANDARDS: Positions allocable to this class work in either a Service Planning Area under the administrative and technical supervision of a Supervising Public Health Investigator or in a specialized health investigation program under the administrative and technical supervision of a Supervising Public Health Investigator or higher level program manager. Incumbents enforce state and County public health laws, ordinances and regulations for the control of communicable and selected non-communicable diseases, such as alcoholism, and counseling patients to encourage risk reduction behaviors and referring them for treatment. Essential Job Functions Conducts investigations to locate cases and contacts of tuberculosis, sexually transmitted disease, human immunodeficiency virus or other communicable diseases and selected non-communicable diseases, such as alcoholism, by interviewing patients to determine contacts, locating and tracing contacts, and convincing them to voluntarily seek diagnosis and treatment as required by applicable public health laws; has authority to exercise legal interventions to compel compliance up to and including authorizing arrest when essential to protect the public's health.

Counsels individuals who suffer from a communicable or non-communicable disease regarding the nature and control of their disease and educates these individuals on risk reduction techniques and behaviors. Enforces public health laws, rules and regulations governing communicable disease control by serving legal orders of the Health Officer on patients in their homes, hospitals or detention facilities, quarantining cases and contacts of communicable disease in private homes or institutions, placing restrictions on infected individuals employed in sensitive occupations such as food handling, supervising disinterments of human remains for foreign shipment, assisting in food poisoning investigations, coordinating case management of persons potentially exposed to rabies, responding to widespread outbreaks of communicable disease and establishing and enforcing the State mussel quarantine order. Transports patients in connection with the enforcement of legal orders pertaining to the isolation of such patients in a hospital or detention facility, or to facilitate the medical care and treatment of patients infected with a communicable disease.

Investigates cases of quarantine violations and refusal or failure of persons to comply with health laws, ordinances, and regulations; recommends court action to enforce legal orders, prepares cases for court by gathering evidence and appears in court as a representative of the Health Officer on cases involving violations of the public health laws, ordinances, and regulations pertaining to communicable and non-communicable disease investigation. Supports the California Department of Health Services Marine Biotoxin Monitoring Program, through the collection of shellfish and phytoplankton samples and preparation of these samples for shipment to the state laboratory. Conducts special investigations not directly involving communicable diseases, such as investigating impersonations of departmental personnel or the verification of home births.

Requirements MINIMUM REQUIREMENTS One year's experience as a Public Health Investigator Trainee.* LICENSE A valid California Class C Driver License or the ability to utilize an alternative method of transportation when needed to carry out job-related essential functions. PHYSICAL CLASS 3 - Moderate: Includes standing or walking most of the time,with bending, stooping, squatting, twisting, and reaching; includes working on irregular surface, occasionally lifting objects weighting over 25 pounds, and frequent lifting of 10-25 pounds. SPECIAL REQUIREMENT INFORMATION *To qualify, applicants must hold or have held the payroll title of Public Health Investigator Trainee

DESIRABLE QUALIFICATIONS Experience in investigation or inspection work in Public Health or Law Enforcement. A Master's degree from an accredited university in Public Health or Related field of study. Additional Information EXAMINATION CONTENT This examination will consist of an evaluation of experience and desirable qualifications based upon application information and supplemental questions weighted 100%.

Applicants must meet the minimum requirements and achieve a passing score of 70% or higher on the examination in order to be placed on the Eligible Register. Passing this examination and being added to the eligible register does not guarantee an offer of employment. Final results will be sent by U.S

Mail. Final Scores cannot be given over the phone. ELIGIBILITY INFORMATION The names of candidates receiving a passing score in the examination will be placed on the eligible register in the order of their score group for a period of twelve (12) months following the date of promulgation.

No person may compete in this examination more than once every twelve (12) months. Applications will be processed on an as-received basis and promulgated to the eligible register accordingly. VACANCY INFORMATION The eligible register resulting from this examination will be used to fill vacancies in the Department of Public Health as they occur.

AVAILABLE SHIFT: Any APPLICATION AND FILING INFORMATION Applications must be filed online only. Applications submitted by U.S. Mail, fax, or in person will not be accepted

Any required documents must be submitted within fifteen (15) calendar days from the application submission to HRExams@ph.lacounty.gov. Apply online by clicking on the "Apply" tab for this posting, You can also track the status of your application using this website. Fill out your application completely

The acceptance of your application depends on whether you have clearly shown that you meet the MINIMUM REQUIREMENTS. Provide any relevant job experience in the spaces provided so we can evaluate your qualifications for the job. For each job held, give the name and address of your employer, your job title, beginning and ending dates, description of work performed, and salary earned.

Applicants may be rejected at any stage of the selection process. IMPORTANT NOTES Please note that ALL information included in the application materials is subject to VERIFICATION at any point during the examination and hiring process, including after an appointment has been made. FALSIFICATION of any information may result in DISQUALIFICATION or RESCISSION OF APPOINTMENT.

Utilizing VERBIAGE from Class Specification and Selection Requirements serving as your description of duties WILL NOT be sufficient to demonstrate that you meet the requirements. Doing so may result in an INCOMPLETE APPLICATION and your application may be DISQUALIFIED. SOCIAL SECURITY NUMBER All applicants MUST enter a valid social security number at the time of filing.

Entering anything other than a valid social security (i.e. 000-00-0000, 111-11-1111, etc.) will result in an automatic rejection of your application COMPUTER AND INTERNET ACCESS AT PUBLIC LIBRARIES For candidates who may not have regular access to a computer or the internet, applications can be completed on computers at public libraries throughout Los Angeles County. NO SHARING OF USER ID AND PASSWORD All applicants must file their application online using their OWN user ID and password

Using a family member or friend's user ID and password may erase a candidate's original application record. Fair Chance Employer: The County of Los Angeles is a Fair Chance employer. Except for a very limited number of positions, you will not be asked to provide information about a conviction history unless you receive a contingent offer of employment.

The County will make an individual assessment of whether your conviction history has a direct or adverse relationship with the specific duties of the job, and consider potential mitigating factors, including, but not limited to, evidence and extent of rehabilitation, recency of offense(s), and age at the time of the offense(s). If asked to provide information about a conviction history, any convictions or court records which are exempted by a valid court order do not have to be disclosed. Teletype Phone: (800) 899-4099 Alternate Teletype Phone: (800) 897-0077 California Relay Services Phone: (800) 735-2922 ADA Coordinator Phone: (844) 914-1006 Department Contact Name: Exam Analyst Department Contact Phone: (213) 684-8726 Department Contact Email: HRExams@ph.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


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