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Quality Control Investigator Jobs in Riverside, CA

Stark Pharma Solutions Inc

QC Scientist

Irvine, CA · On-site

Document test results, laboratory activities, and investigations accurately. * Support analytical troubleshooting, deviations, and laboratory investigations. * Collaborate with QC and cross ...

Superbeo

Quality Control Inspector

Fontana, CA · On-site

Investigate or report questionable test results. Requirements * Proven experience using Quality Control Inspector tools including, gages, micrometers, torque testers, hand tools etc. * Minimum high ...

Smart LLC

Quality Control Inspector

Fontana, CA · On-site

$19/hr

As a Quality Inspector, you will oversee all Quality Control processes performed in-house and work ... Perform in-house investigations to ensure adherence to internal standards across the following ...

Chemical Guys

Quality Control Inspector

Fontana, CA · On-site

$19/hr

As a Quality Inspector, you will oversee all Quality Control processes performed in-house and work ... Perform in-house investigations to ensure adherence to internal standards across the following ...

FullSteam

QC Inspector

Riverside, CA · On-site

$18.50 - $23/hr

Now hiring: QC Inspector in Riverside, CA! Location: Riverside, CA Pay: $18.50-$23.00 per hour ... Communicate quality concerns to Production Supervisors and management. * Assist with investigating ...

Chemical Guys

Quality Control Inspector

Fontana, CA · On-site

$19/hr

As a Quality Inspector, you will oversee all Quality Control processes performed in-house and work ... Perform in-house investigations to ensure adherence to internal standards across the following ...

System One

Quality Control Specialist

Ontario, CA · On-site

$29 - $34/hr

Job Title: Quality Control Specialist Location: Ontario, CA Type: Direct Hire Compensation: $29 ... Investigate customer complaints and perform root cause analysis. * Monitor supplier quality ...

System One

Quality Control Specialist

Ontario, CA · On-site

$29 - $34/hr

Job Title: Quality Control Specialist Location: Ontario, CA Type: Direct Hire Compensation: $29 ... Investigate customer complaints and perform root cause analysis. * Monitor supplier quality ...

System One

Quality Control Specialist

Ontario, CA · On-site

$29 - $34/hr

Job Title: Quality Control Specialist Location: Ontario, CA Type: Direct Hire Compensation: $29 ... Investigate customer complaints and perform root cause analysis. * Monitor supplier quality ...

System One

Quality Control Specialist

Ontario, CA · On-site

$29 - $34/hr

Job Title: Quality Control Specialist Location: Ontario, CA Type: Direct Hire Compensation: $29 ... Investigate customer complaints and perform root cause analysis. * Monitor supplier quality ...

System One

Quality Control Specialist

Ontario, CA · On-site

$29 - $34/hr

Job Title: Quality Control Specialist Location: Ontario, CA Type: Direct Hire Compensation: $29 ... Investigate customer complaints and perform root cause analysis. * Monitor supplier quality ...

System One

Quality Control Specialist

Ontario, CA · On-site

$29 - $34/hr

Job Title: Quality Control Specialist Location: Ontario, CA Type: Direct Hire Compensation: $29 ... Investigate customer complaints and perform root cause analysis. * Monitor supplier quality ...

Gilead

Manager, Quality Control

La Verne, CA · On-site

As the Manager, Quality Control at Gilead you will manage the Quality Control Chemistry or ... Leads and coordinates defined projects/initiatives and investigations - works on complex issues ...

System One

Quality Control Specialist

Ontario, CA · On-site

$29 - $34/hr

Job Title: Quality Control Specialist Location: Ontario, CA Type: Direct Hire Compensation: $29 ... Investigate customer complaints and perform root cause analysis. * Monitor supplier quality ...

System One

Quality Control Specialist

Ontario, CA · On-site

$29 - $34/hr

Job Title: Quality Control Specialist Location: Ontario, CA Type: Direct Hire Compensation: $29 ... Investigate customer complaints and perform root cause analysis. * Monitor supplier quality ...

Biopharma Careers

Manager, Quality Control

La Verne, CA · On-site

$124 - $160/hr

As the Manager, Quality Control at Gilead you will manage the Quality Control Chemistry or ... Leads and coordinates defined projects/initiatives and investigations - works on complex issues ...

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All JobsQuality Control Investigator JobsQuality Control Investigator Jobs in Riverside, CA

Quality Control Investigator information

See Riverside, CA salary details

$12

$22

$34

How much do quality control investigator jobs pay per hour?

As of Sep 6, 2026, the average hourly pay for quality control investigator in Riverside, CA is $22.40, according to ZipRecruiter salary data. Most workers in this role earn between $18.08 and $25.10 per hour, depending on experience, location, and employer.

What is a quality control investigator?

Quality Control Investigators are professionals responsible for ensuring that products or services meet established quality standards and regulatory requirements. They inspect processes, materials, and finished goods, investigate quality issues, and recommend corrective actions to prevent recurrence. Their work is crucial in maintaining product safety, consistency, and compliance across various industries, such as manufacturing, pharmaceuticals, and food processing.

What are the key skills and qualifications needed to thrive as a quality control investigator?

To thrive as a Quality Control Investigator, you need expertise in quality assurance processes, attention to detail, and a background in science or engineering, often supported by relevant certifications such as Six Sigma or ISO compliance. Familiarity with laboratory equipment, statistical analysis software, and quality management systems is typically required. Strong analytical thinking, problem-solving abilities, and effective communication are essential soft skills in this role. These competencies ensure that products and processes consistently meet regulatory standards and company expectations, minimizing errors and maintaining organizational integrity.

What are some common challenges faced by quality control investigators, and how can they be addressed?

Quality Control Investigators often encounter challenges such as managing tight deadlines for investigating quality deviations, ensuring thorough documentation, and coordinating with multiple departments to collect necessary information. To address these, it's important to develop strong organizational skills, maintain clear communication channels, and stay current with regulatory requirements. Proactively collaborating with production, QA, and regulatory teams can help streamline investigations and lead to more effective root cause analysis and corrective actions.

What is the difference between Quality Control Investigator vs Quality Assurance Specialist?

AspectQuality Control InvestigatorQuality Assurance Specialist
CertificationsOften requires GMP, GLP, or ISO certificationsSimilar certifications, with additional focus on auditing
Work EnvironmentLaboratory, manufacturing, or production settingsOffice, laboratory, or production environments
Primary FocusInvestigating quality issues, deviations, and non-conformancesDeveloping and implementing quality systems and procedures
Employer & Industry UsagePharmaceutical, biotech, manufacturingPharmaceutical, biotech, manufacturing

Both roles are vital in quality management, but the Quality Control Investigator primarily focuses on identifying and resolving quality issues through investigations, while the Quality Assurance Specialist develops systems to prevent issues. They often work together to ensure product quality and compliance.

What are popular job titles related to Quality Control Investigator jobs in Riverside, CA?

For Quality Control Investigator jobs in Riverside, CA, the most frequently searched job titles are:

What job categories do people searching Quality Control Investigator jobs in Riverside, CA look for?

The top searched job categories for Quality Control Investigator jobs in Riverside, CA are:

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

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

Quality Control Investigator jobs near you
Infographic showing various Quality Control Investigator job openings in Riverside, CA as of August 2026, with employment types broken down into 1% As Needed, 78% Full Time, 16% Part Time, 4% Contract, and 1% Nights. Highlights an 84% Physical, 1% Hybrid, and 15% Remote job distribution, with an average salary of $46,601 per year, or $22.4 per hour.

QC Scientist

Stark Pharma Solutions Inc

Irvine, CA • On-site

Contractor

Posted 8 days ago

Job description

About the Company

Stark Pharma Solutions Inc. is a global consulting and staffing partner established in 2014, serving the Pharmaceutical, Medical Device, Biotech, and IT industries across the USA, Canada, and India.

We provide specialized consulting and staffing solutions across Quality & Validation, Regulatory Affairs, R&D, Manufacturing, Supply Chain, Project Management, and IT, with a focus on delivering tailored solutions that drive growth, operational excellence, and long-term client success.

Position: QC Scientist
Location: California
Duration: Long Term

Job Overview

We are seeking a Mid-Level QC Scientist with strong hands-on analytical testing experience to support quality control laboratory operations within a GMP-regulated pharmaceutical/biotech environment.

Key Responsibilities

• Perform hands-on HPLC and dissolution testing for drug substance and related samples.
• Review and evaluate analytical data for accuracy, completeness, and compliance.
• Ensure laboratory activities follow GMP, SOPs, and data integrity requirements.
• Document test results, laboratory activities, and investigations accurately.
• Support analytical troubleshooting, deviations, and laboratory investigations.
• Collaborate with QC and cross-functional teams to maintain laboratory compliance.

Required Qualifications

• Bachelor’s degree in Chemistry, Pharmaceutical Sciences, or a related scientific field.
• 5+ years of pharmaceutical or biotech QC laboratory experience.
• Strong hands-on experience with HPLC testing.
• Experience with drug substance and dissolution testing.
• Strong analytical data review experience.
• Knowledge of GMP, SOPs, data integrity, and laboratory documentation.
• Experience supporting analytical investigations and troubleshooting.

How to Apply

Apply Now: Submit your updated resume to Stark Pharma Solutions Inc. for consideration.

Stark Pharma is an Equal Opportunity Employer and welcomes qualified candidates from diverse backgrounds.