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Part Time Investigator Jobs in Riverside, CA (NOW HIRING)

Fire Inspector (Part-Time)

Corona, CA · On-site

$33.71 - $40.97/hr

Successful candidates will be required to pass a background investigation, which may include a ... Most part-time shifts for temporary/part-time employees must not exceed 999 hours on a fiscal year ...

Police Cadet

La Verne, CA · On-site

$17.23 - $19.95/hr

... investigations, and other departmental operations. This is a part-time , temporary position scheduled to work no more than 28 hours per week . Work schedules may include weekdays, evenings, weekends ...

Parking Enforcement Officer

Rialto, CA · On-site

$26.66 - $29.40/hr

Rialto, CA Job Type: Part-Time Job Number: 23-045 Department: POLICE ADMINISTRATION Opening Date ... A typical background investigation includes but is not limited to: background interviews with ...

Sales Support Rep Part-Time

Irvine, CA · On-site

$20.25 - $27.75/hr

As a part-time Victra Sales Support Representative, you'll have the chance to shape your career in ... investigation into your complaint.

Police Officer (Lateral)

Ontario, CA · On-site

$111K - $135K/yr

The background investigation will include the following: passing of a polygraph test and the ... part-time employment and volunteer opportunities. Ontario enjoys the reputation of being a ...

Police Cadet

La Verne, CA · On-site

$17.23 - $19.95/hr

... investigations, and other departmental operations. This is a part-time, temporary position scheduled to work no more than 28 hours per week. Work schedules may include weekdays, evenings, weekends ...

Police Officer Trainee

Upland, CA · On-site

$32.55 - $41.55/hr

Police Station - 1499 W. 13th St Upland, CA Job Type: Part Time Job Number: 2615 Department: Police ... Step 4: Background Investigation and Administrative Interviews: Qualified applicants will undergo a ...

Showing results 41-60

Part Time Investigator information

See Riverside, CA salary details

$33.4K

$78.6K

$136.7K

How much do part time investigator jobs pay per year?

As of Sep 7, 2026, the average yearly pay for part time investigator in Riverside, CA is $78,584.00, according to ZipRecruiter salary data. Most workers in this role earn between $54,800.00 and $102,800.00 per year, depending on experience, location, and employer.

What does a part time investigator do?

A part time investigator is a professional hired to conduct investigations on a flexible or limited schedule, rather than full-time. Their duties often include gathering evidence, conducting interviews, performing surveillance, and preparing reports for clients or employers. Part time investigators may work on cases such as background checks, fraud detection, insurance claims, or legal matters, depending on their area of specialization. They typically work for private investigation firms, legal teams, insurance companies, or independently. Flexibility and strong analytical skills are important in this role.

What are the key skills and qualifications needed to thrive as a part time investigator, and why are they important?

To thrive as a Part Time Investigator, you need strong analytical abilities, attention to detail, and prior investigative or law enforcement experience, often supported by a relevant degree or certification. Familiarity with case management systems, surveillance equipment, and legal research tools is typically required. Excellent communication, discretion, and problem-solving skills help you build trust and gather accurate information. These skills are crucial for conducting thorough investigations, ensuring legal compliance, and delivering reliable results to clients or employers.

What are some common challenges faced by part time investigators, and how can they be managed?

Part-time investigators often face challenges related to time management and case prioritization, as they may need to juggle multiple assignments within limited working hours. It's important to communicate clearly with supervisors about availability and deadlines, and to develop strong organizational skills to ensure that investigations remain thorough and timely. Additionally, part-time investigators may need to collaborate closely with full-time colleagues to stay updated on case developments and maintain continuity. Building strong professional relationships within the team and utilizing case management tools can help overcome these challenges.

What is the difference between Part Time Investigator vs Part Time Private Investigator?

AspectPart Time InvestigatorPart Time Private Investigator
CredentialsMay require basic investigative training or licensing depending on jurisdictionOften requires licensing, background checks, and specific certifications
Work EnvironmentVaries; may work for agencies, law enforcement, or private firmsPrimarily in private settings, conducting surveillance, background checks
Employer & IndustryLaw enforcement agencies, private investigation firms, corporate securityPrivate clients, attorneys, insurance companies

Both roles involve investigative work but differ mainly in licensing requirements and work settings. Part Time Private Investigators typically operate independently or for private firms, focusing on personal or corporate cases, while Part Time Investigators may work within law enforcement or security agencies. Understanding these differences helps in choosing the right career path or job search focus.

Can I be a part time investigator as a side hustle?

Part time investigators can often work as a side hustle if they have the necessary licensing, background check clearance, and relevant skills such as surveillance or interviewing. Scheduling flexibility and adherence to legal requirements are important factors to consider when taking on additional investigative work.

Can you be a part-time investigator?

Yes, part-time investigator positions are available in various fields such as private investigation, insurance claims, and security. These roles often require relevant skills, background checks, and sometimes licensing or certifications, depending on the industry and jurisdiction.

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 are popular job titles related to Part Time Investigator jobs in Riverside, CA?

For Part Time Investigator jobs in Riverside, CA, the most frequently searched job titles are:

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

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

Infographic showing various Part Time Investigator job openings in Riverside, CA as of August 2026, with employment types broken down into 85% Full Time, and 15% Part Time. Highlights an 94% Physical, 1% Hybrid, and 5% Remote job distribution, with an average salary of $78,584 per year, or $37.8 per hour.

Security Officer Part Time Access Control Driver

Allied Universal

Ontario, CA

$20/hr

Part-time

Medical, Retirement

Posted 13 days ago


Key responsibilities

  • Monitor access points, verify credentials, and maintain accurate entry and exit records at a retail distribution location.

  • Respond to incidents and critical situations, documenting observations and communicating with leadership and site management as needed.

  • Conduct regular and random patrols of access points, parking areas, loading docks, and perimeter areas to deter unauthorized activity and identify security concerns.


Allied Universal rating

5.5

Company rating: 5.5 out of 10

Based on 2,609 frontline employees who took The Breakroom Quiz

77th of 118 rated security


Job description

Overview

Allied Universal®, North America’s leading security and facility services company, offers rewarding careers that provide you a sense of purpose. While working in a dynamic, welcoming, and collaborative workplace, you will be part of a team that contributes to a culture that positively impacts the communities and customers we serve.


Job Description

As a Security Officer Access Control Driver in Ontario, CA, you will serve and safeguard clients in a range of industries such as Retail/Malls, and more. Join a leading team where flexibility meets opportunity. As a Part-Time Security Officer, you can build a schedule that works for you and explore new roles using our Claim a Shift platform. Learn more: aus.com/earnmore. As an Access Control Officer at a retail distribution location, you will help manage entry points, verify credentials, monitor access activity, and provide outstanding customer service to employees, visitors, and delivery personnel. This driving post requires a valid driver’s license in accordance with Allied Universal driver policy. You will remain visible to help deter incidents, communicate clearly, and support a welcoming environment through teamwork, integrity, and a caring, reliable approach.


Position Type: Part Time

Pay Rate: $20.00 / Hour

Job Schedule:

DayTimeWed10:00 PM - 06:30 AMThur10:00 PM - 06:30 AM

What You'll Do:

  • Provide customer service to clients, visitors, drivers, and team members by carrying out access control procedures, site-specific policies, and when appropriate, emergency response activities.
  • Monitor access points at a retail distribution location, verify credentials and visitor authorization, issue badges or passes as directed, and maintain accurate entry and exit records.
  • Inspect inbound and outbound vehicle, trailer, and delivery documentation in accordance with site procedures, escalating discrepancies to appropriate site contacts.
  • Respond to incidents and critical situations in a calm, problem-solving manner, documenting observations and communicating with Allied Universal leadership and site management as needed.
  • Conduct regular and random patrols of access points, parking areas, loading docks, and perimeter areas to help deter unauthorized activity and identify security-related concerns.

Minimum Requirements:

  • A valid driver’s license is required in accordance with Allied Universal driver policy requirements.
  • Be at least 18 years of age for unarmed roles; 21+ years of age for armed roles.
  • Possess a high school diploma or equivalent.
  • As a condition of employment, applicants will be subject to a background investigation in accordance with all federal, state, and local laws.
  • Allied Universal will consider qualified applications with criminal histories in a manner consistent with applicable laws.
  • As a condition of employment, applicants will be subject to a drug screen to the extent permitted by law.
  • Licensing requirements are subject to state and/or local laws and regulations and may be required prior to employment.
  • A valid driver’s license will be required for driving positions only.

Why Join Us:

  • Smart Tools: Access to our exclusive technology to view and claim additional shifts to earn more.
  • Career Growth: Get paid training and access to career growth opportunities.
  • Financial Benefits: Participate in our retirement savings plan to invest in your future.
  • Exclusive Perks: Enjoy discounts on top brands and services through our Perks Program.

PPO 14417


Closing

Allied Universal® is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race/ethnicity, age, color, religion, sex, sexual orientation, gender identity, national origin, genetic information, disability, protected veteran status or relationship/association with a protected veteran, or any other basis or characteristic protected by law. For more information: www.aus.com.

If you have difficulty using the online system and require an alternate method to apply or require an accommodation, please contact our local Human Resources department. To find an office near you, please visit: www.aus.com/offices.


Requisition ID
2026-1664782

What Allied Universal employees say

Pay

Benefits

Hours and flexibility

Workplace

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Allied Universal logo

About Allied Universal

Sourced by ZipRecruiter

Allied Universal® is a leading security and facility services company. We provide proactive security services and cutting-edge smart technology to deliver evolving, tailored solutions that allow our clients to focus on their core business. Our excellence starts with our local leadership and local presence. Operating in more than 90 countries, our global workforce of approximately 800,000 people. Employees help to deliver our promise globally and locally: keeping people safe so our customers and communities can thrive. As we build the world's best services company, we continue to expand our footprint and infrastructure on a global and local level. In North America, we operate our business under the existing Allied Universal brand, and our international business operates under the G4S brand.

Industry

Investigation and physical security services, chemical manufacturing and real estate

Company size

10,000+ Employees

Headquarters location

Santa Ana, CA, US