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Investigative Assistant Jobs in Riverside, CA (NOW HIRING)

B. Braun Group

Quality Investigator

Irvine, CA · On-site

Support internal, customer, and regulatory audits by providing investigation records and evidence of compliance. * Assist in maintaining inspection readiness and audit preparedness. Data Analysis ...

Ethos Risk Services

Investigator

San Bernardino, CA

Draft detailed and court-ready investigative reports summarizing activity and key findings. * Documentation: Finalize case file by submitting case reports and uploading video footage via personal ...

Ethos Risk Services

Investigator

San Bernardino, CA · On-site

$30 - $40/hr

Draft detailed and court-ready investigative reports summarizing activity and key findings.Documentation: Finalize case file by submitting case reports and uploading video footage via personal laptop ...

Ethos Risk Services

Investigator

San Bernardino, CA · On-site

$30 - $40/hr

Draft detailed and court-ready investigative reports summarizing activity and key findings. * Documentation: Finalize case file by submitting case reports and uploading video footage via personal ...

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Showing results 21-40

All JobsInvestigative JobsInvestigative Assistant JobsInvestigative Assistant Jobs in Riverside, CA

Investigative Assistant information

See Riverside, CA salary details

$37.6K

$41.1K

$51.6K

How much do investigative assistant jobs pay per year?

As of Aug 14, 2026, the average yearly pay for investigative assistant 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 are the typical challenges faced by investigative assistants when managing multiple cases simultaneously?

Investigative Assistants often juggle several cases at once, which requires strong organizational and time-management skills. Balancing priorities, meeting tight deadlines, and ensuring the accuracy of documentation can be challenging, especially when cases involve sensitive or confidential information. To succeed, it's important to communicate effectively with investigators and team members, stay adaptable, and use case management software to track progress and maintain detailed records.

What does an investigative assistant do?

An investigative assistant is an entry-level position that conducts office duties and some field work to support investigations into criminal cases and civil justice. In this career, you process legal documentation and reports, including complaints, subpoenas, and more. You collect police reports, fingerprints, and background checks, interview witnesses and victims, and transport them to court as needed. You also review background checks of criminals to determine any security issues that may arise. Completing data entry, maintaining updated records, and using software programs such as CLETS are all part of your responsibilities as an investigative assistant.

What is an investigative assistant?

Investigative Assistants are professionals who support investigators, detectives, or law enforcement agencies by gathering, organizing, and analyzing information related to cases. Their duties often include conducting background checks, preparing reports, maintaining case files, and assisting with interviews or evidence collection. They play a crucial role in helping resolve investigations by ensuring that all relevant information is available and properly documented. Investigative Assistants must have strong organizational skills, attention to detail, and the ability to follow strict confidentiality protocols.

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

To thrive as an Investigative Assistant, you generally need strong organizational skills, attention to detail, and a background in criminal justice or a related field. Familiarity with case management software, public records databases, and office productivity tools is typically required. Excellent communication, discretion, and problem-solving abilities help you stand out when supporting investigations and collaborating with law enforcement. These skills ensure accurate information gathering, effective case support, and confidentiality crucial to investigative work.
More about Investigative Assistant jobs

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

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

What are popular job titles related to Investigative Assistant jobs in Riverside, CA?

For Investigative Assistant jobs in Riverside, CA, the most frequently searched job titles are:

What job categories do people searching Investigative Assistant jobs in Riverside, CA look for?

The top searched job categories for Investigative Assistant jobs in Riverside, CA are:

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

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

Investigative Assistant jobs near you
Infographic showing various Investigative Assistant job openings in Riverside, CA as of August 2026, with employment types broken down into 69% Full Time, and 31% Part Time. Highlights an 100% In-person job distribution, with an average salary of $41,064 per year, or $19.7 per hour.

Complaint Investigator

Nihon Kohden North America, Inc.

Irvine, CA • On-site

$24 - $38/hr

Full-time

Posted 29 days ago

Job description

The Complaint Investigator is responsible for conducting investigations on product complaints for company manufactured and distributed products as required by applicable regulations, standards, and company policy. This position will interface with cross-functional groups such as customer service, technical support, field personnel, operations, and others for the identification and resolution of customer complaints and may interact directly with customers. The Complaint Investigator identifies causes of complaints, documents the findings, and escalates issues in accordance with company policy.
Essential Functions and Main Duties
  • Responsible for processing complaints while using good documentation practices (GDP).
  • Interface with Customer Service, Field team, and customers to gather additional information required for complaint initiation/investigations.
  • Interacts with customers verbally or in writing using clear, effective communication.
  • Conduct investigations and provide data to drive corrective and preventive actions and complaints based on sound engineering analysis and review.
  • Manage and assess incoming complaints and elevate potential issues/incidents to Quality Management/supervisor, including but not limited to, possible recall situations, remedial action, and field safety actions.
  • Review compliant files for completeness and follow-up with suppliers (responsible party) as applicable for investigation outcomes.
  • Work closely with Manufacturing, Operations, R&D and other departments to ensure quality products and processes are developed, deployed, and meets US and OUS requirements. This includes hardware and software validation, risk analysis/FMEA, etc.
  • Utilize systems for the identification, analysis, correction, and prevention of quality issues.
  • Conduct and maintain complete complaint files and databases for all customer complaints per US engineering activities in compliance with FDA Regulations, ISO 13485 and other national and international quality and regulatory (as applicable) requirements and company procedures standards.
  • Prepare customer notification letters for receipt of product complaint and follow-up acknowledgement letters information, as required.
  • Utilizes product and incident complaint codes to conduct data trending and analysis review.
  • Lead complaint investigation to understand root cause in support of documenting proper complaint file closure.
  • Complete all required customer complaint related documentation in an accurate, professional, and timely manner.
  • Perform queries to provide complaint data and ad hoc trend analysis on reported product problems/complaints.
  • Provide follow-up to internal and external customers needed, including customer correspondence and regulatory agency correspondence.
  • Prepare final correspondence summarizing investigation findings.
  • Create/gather, analyze, and provide feedback on complaint data for the team and management for post market surveillance activities, and participate in projects as required.
  • Assist as needed in the preparation of data for internal audits and external audits/inspections
  • Adhere to all company policies, procedures, and business ethics codes.
  • Duties may be modified or assigned at any time based on business need.

Qualifications
Education / Certification / Experience Required:
  • Bachelor's degree in science or related discipline; relevant education and experience accepted in lieu of degree
  • 1+ years relevant or similar experience
  • Level and compensation depend on location, experience, education and skills

Competencies Required:
  • Must be able to demonstrate ability to understand the medical device product and its application.
  • Preferred knowledge of FDA Medical Device Reporting and Quality System Regulation (21 CFR Part 803, 806, and 820), and ISO Standards (ISO 13485-QMS, ISO 14971-Risk Management), as they relate to complaint investigations or equivalent.
  • Proficient computer skills and knowledge of relevant business applications, Microsoft Office applications. Ability to learn other software quickly as required.
  • Must be detail oriented.
  • Decision making is required in balancing priorities amongst other ongoing tasks and being responsive to critical situations.
  • Critical thinking and strong problem-solving skills
  • Effective verbal and interpersonal skills
  • Demonstrates good judgement in selecting methods and techniques for obtaining solutions.
  • Role model for other team members.
  • Strong knowledge of the product and investigation requirements.
  • Assists other levels with building up their technical capabilities.
  • Must be able to communicate verbally and in writing, and to receive and understand verbal and written instructions in English
  • Able to work effectively both independently and in a collaborative team environment.

Compensation
The anticipated range for this position is an hourly rate of $24.00 to $38.00 Actual placement within the range is dependent on multiple factors, including but not limited to skills, education, experience and location.
Perks and Benefits
Visit our Career page to learn more about Perks & Benefits and working at Nihon Kohden America
Working Conditions
Schedule: The regular hours for this full-time position are 8:00 a.m. to 5:00 p.m., Monday - Friday, unless otherwise stated by the department manager. Holiday, weekend, and evening work hours may be required. Regular hours may vary due to the needs of the organization or department and are subject to change at any time at the Company's discretion.
Physical: Generally, may require some reaching, bending, stooping, squatting, crawling, kneeling, pushing, pulling, lifting, carrying up to 20 pounds, finger dexterity, repetitive motions, standing, walking, sitting, hearing, visual acuity, and color vision. More specific details may be provided as needed or requested.
Travel: Minimal
Access to Customer Sites: Not Required
Nihon Kohden America is committed to maintaining a professional and respectful workplace free from discrimination, harassment, and retaliation and welcomes all qualified candidates to apply. Employment decisions are based on qualifications, experience, and business needs, without regard to legally protected characteristics. This policy applies to all employment actions, including recruitment, hiring, promotion, compensation, training, and other workplace practices.
Nihon Kohden America complies with all applicable federal, state, and local laws regarding equal employment opportunity. Employees and applicants will not be subject to harassment or retaliation for asserting their legal rights. Questions or concerns regarding this policy may be directed to Human Resources at HREmployeeServices@nihonkohden.com.

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