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Assistant Investigator Jobs in Riverside, CA (NOW HIRING)

San Bernardino County

Office Assistant

San Bernardino, CA · On-site

$18.80 - $25.85/hr

San Bernardino County is accepting applications for Office Assistant's (Previously Office Assistant ... Applicants must pass a background investigation, which includes fingerprinting, credit check, and ...

Charter Healthcare

Appeals Assistant

Rancho Cucamonga, CA · On-site

$20 - $30/hr

The Appeals Assistant: Responsible for ensuring professional handling of all provider appeals in a ... investigation, and resolution of appeals in a timely, compliant, and highly effective manner. 5. ...

County of San Bernardino, CA

Fiscal Assistant

San Bernardino, CA · On-site

$40K - $55K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

San Bernardino County is recruiting for Fiscal Assistants who perform fiscal duties in support of ... Applicants must pass a background investigation, which includes fingerprinting, credit check, and ...

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Showing results 41-60

All JobsInvestigator JobsAssistant Investigator JobsAssistant Investigator Jobs in Riverside, CA

Assistant Investigator information

See Riverside, CA salary details

$37.6K

$41.1K

$51.6K

How much do assistant investigator jobs pay per year?

As of Aug 13, 2026, the average yearly pay for assistant investigator in Riverside, CA is $41,064.00, according to ZipRecruiter salary data. Most workers in this role earn between $39,100.00 and $39,600.00 per year, depending on experience, location, and employer.

What is an assistant investigator?

Assistant Investigators are professionals who support lead investigators in conducting research, gathering evidence, and analyzing information in various fields such as law enforcement, clinical research, or scientific studies. They assist with data collection, documentation, and ensuring that investigations follow protocols and ethical standards. Their role is vital to the success of an investigation, often involving collaboration with other team members and communication of findings. Depending on the industry, Assistant Investigators may also help prepare reports, maintain records, and present results to stakeholders.

What is the difference between Assistant Investigator vs Investigator?

AspectAssistant InvestigatorInvestigator
Required CredentialsTypically a bachelor's degree, relevant experience, sometimes certificationsUsually a bachelor's degree, with more experience or specialized certifications
Work EnvironmentSupportive role in investigations, often under supervisionLead role in conducting investigations independently
Employer & Industry UsageUsed in law enforcement, private investigation, and regulatory agenciesMore senior investigative roles within similar organizations
Common Search & ComparisonOften searched together for career progressionHigher responsibility, more experience required

The main difference between an Assistant Investigator and an Investigator lies in experience, responsibility, and independence. Assistant Investigators typically support investigations under supervision, while Investigators lead and manage cases independently. Both roles are common in law enforcement and private sectors, with Investigators generally requiring more experience or certifications.

What are some typical challenges assistant investigators face when managing multiple cases simultaneously?

Assistant Investigators often juggle several cases at once, which can require strong time management and prioritization skills. Balancing investigative duties, such as evidence collection, documentation, and reporting, while meeting deadlines can be demanding. Close collaboration with senior investigators and other departments helps distribute workload and maintain quality standards. Staying organized and communicating effectively are key to successfully navigating these challenges and ensuring thorough, timely investigations.

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

To thrive as an Assistant Investigator, you typically need a background in criminal justice or a related field, strong analytical skills, and attention to detail. Familiarity with investigative software, case management systems, and occasionally forensic tools is often required. Strong communication, critical thinking, and discretion are important soft skills for gathering information and collaborating with law enforcement or other agencies. These skills ensure accurate, thorough investigations and support effective case resolution while maintaining legal and ethical standards.

What are the most commonly searched types of Investigator jobs in Riverside, CA?

The most popular types of Investigator jobs in Riverside, CA are:

What cities near Riverside, CA are hiring for Assistant Investigator jobs?

Cities near Riverside, CA with the most Assistant Investigator job openings:

Assistant Investigator jobs near you
Infographic showing various Assistant Investigator job openings in Riverside, CA as of August 2026, with employment types broken down into 1% As Needed, 75% Full Time, 20% Part Time, 1% Temporary, and 3% Contract. Highlights an 97% Physical, 1% Hybrid, and 2% Remote job distribution, with an average salary of $41,064 per year, or $19.7 per hour.

Public Safety Assistant II

San Manuel Band of Mission Indians

Highland, CA • On-site

$39K - $51K/yr

Full-time

Re-posted 6 days ago

Job description

Under the direction of the Sergeant, Department of Public Safety (DPS), the Public Safety Assistant II (PSA II), provides essential support to DPS. This role requires comprehensive knowledge of the organization with skill in working in the security field and following all DPS policies and procedures. This role is responsible for performing a broad range of duties while maintaining professionalism and confidentiality. This is a uniformed guard position, requiring compliance with all current California Bureau of Security and Investigative Services (BSIS) guard card guidelines.
ESSENTIAL DUTIES AND RESPONSIBILITIES
1. Safeguards Tribal citizens, assets, guests, team members, facilities, and operations by watching for unauthorized entry, suspicious activity, or crimes. Provides courteous, personalized interactions that align with established standards, creating a safe and welcoming environment for all visitors. Patrols and monitors assigned areas, including buildings, offices, and areas, either on foot or in a vehicle, to identify any suspected violations of policies, procedures, or laws.
2. Works proactively with DPS Sergeants, providing essential support. Assists in training and developing PSAs to ensure optimal efficiency and smooth operations.
3. Assists in carrying out investigations by examining and validating information through diverse investigative methods and interviewing pertinent individuals. Compiles written reports following departmental guidelines and presents oral reports as needed.
4. Monitors designated areas, addresses service calls, observes and assesses situations, collects essential information, and drafts incident reports for cases that don't need additional follow-up.
5. Maintains care and control of authorized equipment, issued uniforms, and departmental equipment and areas.
6. Serves as a PSA liaison, concentrating on PSA operations to ensure peak performance under the guidance of the DPS Sergeants.
7. Determines the need to initiate an investigation based on observations, and identifies, gathers, handles, and safeguards physical evidence as required, all in accordance with relevant laws, policies, and procedures.
8. Responds to emergencies and other incidents, taking immediate action to control the scene, administer first aid, including Cardiopulmonary Resuscitations and offer necessary assistance, and make any required notifications.
9. Provides information and educates on relevant policies, procedures, and ordinances. Maintains positive relationships with internal guests, vendors, and team members. Employs a range of high-quality communication skills and specialized techniques to interact with community groups and guests from all backgrounds, both formally and informally.
10. Performs other duties as assigned to support the efficient operation of the department.
EDUCATION, EXPERIENCE AND QUALIFICATIONS
  • High School diploma or General Education Development (GED) required.
  • Minimum two (2) years of security experience required.
  • Minimum one (1) year of security supervisory experience preferred.
  • Must be at least 21 years of age.

KNOWLEDGE, SKILLS AND ABILITIES (KSA)
  • Must possess outstanding communication and interpersonal skills.
  • Advanced critical thinking and investigative skills.
  • Must possess intermediate proficiency in Microsoft Office Suite (Word, Excel, and Outlook).
  • Working knowledge of security procedures, relevant State, Federal, and Tribal laws, regulations, and ordinances; proficiency in interviewing and interrogation techniques; and an understanding of laws related to search and seizure.
  • Must have the ability to observe situations analytically, and objectively, and to record pertinent information accurately.
  • Must be able to communicate clearly and concisely both verbally and in writing.
  • Must remain calm under stressful conditions, exercise reasonable judgment and make sound decisions especially during emergency situations.
  • Must operate a motor vehicle safely and have knowledge of state and local motor vehicle laws.
  • Must be well groomed and clean - hair must be neatly groomed and styled so that it remains professional and conservative in nature. Must abide by DPS policies on uniform appearance.
  • Must demonstrate the ability to produce well written documents with regards to spelling, grammar, punctuation, organization, and content.

LICENSES, CERTIFICATIONS AND REGISTRATIONS
  • At the discretion of the San Manuel Tribal Gaming Commission, you may be required to obtain and maintain a gaming license.
  • Must possess and be able to comply with all current requirements set forth by the California Bureau of Security and Investigative Services (BSIS) for Security Guards.
  • Must complete an in-house three (3) week basic Public Safety Assistant academy.
  • Must successfully complete a three (3) week Field Training Program and a 180-day probationary period.
  • Must successfully complete New Employee Orientation department training, which may include National Incident Management System (NIMS) courses.
  • Must successfully complete all mandated in-service training and obtain required certification upon completion:
    • Weaponless Defense Techniques training
    • Security details throughout the property and off-site business locations, applicable policies and procedures training.
    • First Aid Certification required.
    • CPR certification required.
    • Chemical Agent/Pepper Gel Certification preferred.
  • Authorized Driver: Role requires operation or driving of Tribe-owned vehicles or driving patron vehicles. A valid driver's license with an acceptable driving record as determined by the insurance carrier is required.

PHYSICAL REQUIREMENTS/ WORKING CONDITIONS - ENVIRONMENT
The physical demands and working environment described here are representative of those that an employee encounters and must be met by an employee to successfully perform the essential functions of this job.
  • Primary work environment varies between climate-controlled office setting, gaming facility and outdoor areas.
  • Employee will be exposed to outdoor weather conditions such as rain, wind, cold, and hot climates.
  • Must be able to work long hours under difficult and arduous conditions, frequently exposed to outside weather conditions, secondhand smoke and moderate noise levels (loud music), while standing or sitting for extended periods of time.
  • Work requires travel to attend meetings, trade shows, and conferences.
  • Incumbents may be required to work evening, weekend and holiday shifts.
  • Must have acceptable hearing levels to properly monitor radio transmissions.
  • Must be able to work in a fast-paced, high-demand environment.
  • Strength sufficient to exert up to 25 pounds of force occasionally and/or a negligible amount of force frequently or constantly to lift, carry, push, pull or otherwise move objects and/or move up to 50 pounds occasionally.
  • Employee must use hands or feet in self-defense, use physical force to maintain or protect life, physically restrain individuals, break up fights, run after fleeing person, subdue and/or tackle individuals, run up and/or downstairs, and stand continuously for more than half of the work shift.
  • Specific vision abilities required by this job include close vision, distance vision, color vision, peripheral vision, depth perception and ability to focus.
  • Sedentary work: involves sitting most of the time. Constantly operates a computer and other office productivity machinery, such as a calculator, copy machine, and computer printer.
  • Physical activities that apply to the essential functions of the position are balancing, stooping, kneeling, crouching, reaching, pushing, pulling, lifting, grasping, talking, hearing, and repetitive motions.
  • Employee must have the stamina to work long hours and overtime, if assigned, and must be willing to work an irregular schedule, which may include weekends, holidays, evenings, and/or varying shifts.
  • Hearing sufficient to hear conversational levels in person, via videoconference and over the telephone.
  • Speech sufficient to make oneself heard and understood in person, in front of groups, in meetings, via videoconference and over the telephone.
  • Visual acuity to determine the accuracy, neatness, and thoroughness of the work assigned, or to make general observations of facilities, guests and employees.
  • Physically able to withstand the challenges of extensive walking, climbing, and descending numerous interior and external stairs, including multi-level building facilities.
  • Mobility sufficient to safely move in an office environment, walk, stoop, bend and kneel, and enter, exit and operate a motor vehicle in the course of travel to promotional events and San Manuel properties.
  • Endurance sufficient to sit, walk and stand for extended periods, and maintain efficiency throughout the entire work shift and during extended work hours.
  • Must be able to maintain an acceptable level of physical condition.
  • Must maintain care and control of authorized equipment and issued uniforms.
  • The employee may be exposed to fumes or airborne particles including secondhand smoke.

Reasonable accommodation will be made in compliance with all applicable law.
As one of the largest private employers in the Inland Empire, San Manuel deeply cares about the future, growth and well-being of its employees. Join our team today!

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