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Quality Control Jobs in Modesto, CA (NOW HIRING)

DeRuosi Nut

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Quality Control Inspector

Escalon, CA · On-site

$16.90 - $20/hr

QC Inspectors monitor product quality throughout receiving, processing, and packing, ensuring compliance with USDA/DFA grading standards, customer specifications, and food safety programs. This role ...

New

711 Materials, Inc.

Quality Control Technician

Modesto, CA · On-site

$30 - $40/hr

The Quality Control Lab Technician is responsible for inspecting production materials, preparing samples, and performing both routine and special laboratory tests to ensure compliance with ASTM and ...

711 Materials, Inc.

Quality Control Technician

Modesto, CA · On-site

$30 - $40/hr

The Quality Control Lab Technician is responsible for inspecting production materials, preparing samples, and performing both routine and special laboratory tests to ensure compliance with ASTM and ...

711 Materials, Inc.

Quality Control Technician

Modesto, CA · On-site

$30 - $40/hr

The Quality Control Lab Technician is responsible for inspecting production materials, preparing samples, and performing both routine and special laboratory tests to ensure compliance with ASTM and ...

Ferrotec Usa

Quality Control Technician

Livermore, CA · On-site

$21.25 - $27/hr

Reports to the Quality Control Supervisor. Achievement of objectives must include an overriding commitment to quality that must permeate the areas of responsibility. Enable and Drive Change in the ...

CRH

QC Technician

Tracy, CA · On-site

$30 - $35/hr

Job Summary Performs quality control inspections, checks, and tests products during the manufacturing process. Inspects materials, parts, and products at different phases of the production cycle.

Neogen Corporation

Quality Control Technician

Turlock, CA · On-site

$19.75 - $25.25/hr

The primary responsibility of this role, Instrument QC Technician 1, is for routine testing of Neogen Food Safety instrumentation to ensure compliance with specified performance standards. Neogen has ...

Granite

QC Technician

Tracy, CA

$20.25 - $25.75/hr

Ability to communicate and schedule QC activities with crew and inspection personnel. * Ability to interpret specifications and discuss/argue with crew and inspection staff. * Ability to make ...

Granite Construction, Inc.

QC Technician

Tracy, CA · On-site

$20.25 - $25.75/hr

Ability to communicate and schedule QC activities with crew and inspection personnel. * Ability to interpret specifications and discuss/argue with crew and inspection staff. * Ability to make ...

Diamond Foods, LLC

Quality Control Supervisor

Stockton, CA · On-site

$75K - $95K/yr

This position manages the staff and procedures of the Quality Assurance Department, providing ... Act as document control manager for the facility; oversee document routings, amendments or changes.

Hyve Solutions

Inbound QC Inspector

Tracy, CA

Summary QC Inspector: Performs inspections, checks testing and sampling procedures for product manufacturing processes. Carries out packaging line, manufacturing inspections and sampling and testing ...

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All JobsQuality Control JobsQuality Control Jobs in Modesto, CA

Quality Control information

See Modesto, CA salary details

$12

$22

$35

How much do quality control jobs pay per hour?

As of Jul 27, 2026, the average hourly pay for quality control in Modesto, CA is $22.66, according to ZipRecruiter salary data. Most workers in this role earn between $18.27 and $25.38 per hour, depending on experience, location, and employer.

What is the job of a quality control?

A quality control professional is responsible for inspecting products or services to ensure they meet specified standards and quality requirements. They perform tests, identify defects, and document issues, often using tools like checklists or testing equipment, to help maintain product consistency and safety.

What jobs pay $500,000 a year in the US?

High-paying jobs that can reach $500,000 annually include executive roles such as CEOs, CFOs, and other C-suite positions, as well as specialized professions like top surgeons, successful entrepreneurs, and certain investment bankers or hedge fund managers. These roles typically require extensive experience, advanced skills, and often involve leadership, high responsibility, or performance-based bonuses.

What is the difference between Quality Control vs Quality Assurance?

AspectQuality ControlQuality Assurance
FocusDetecting defects in products or servicesPreventing defects through process improvements
ActivitiesInspections, testing, samplingProcess audits, standards development
CredentialsOften requires technical training or certifications in testingCertifications like ISO, Six Sigma are common
Work EnvironmentLaboratory, production lines, manufacturingProcess development, documentation, audits

While Quality Control focuses on identifying defects after production, Quality Assurance aims to prevent defects through process improvements. Both roles are essential for maintaining product quality, but they differ in approach and activities.

What is quality control?

Quality control (QC) is a process by which businesses ensure that their products or services meet specific standards of quality. This typically involves systematic inspection, testing, and corrective actions to detect and address defects or inconsistencies. Quality control helps maintain customer satisfaction, comply with regulations, and reduce waste or costly errors. QC can be applied at various stages of production and is essential in industries such as manufacturing, food production, and pharmaceuticals.

What are some common challenges faced by Quality Control professionals and how can they be addressed?

Quality Control professionals often encounter challenges such as maintaining consistency across production batches, adapting to new regulatory standards, and managing tight deadlines without compromising quality. Addressing these challenges requires strong attention to detail, effective communication with production and engineering teams, and continuous learning to stay updated on industry best practices. Many companies support their QC staff with regular training sessions, clear documentation protocols, and collaborative problem-solving meetings to ensure quality standards are upheld.

Do you need a degree for QC?

A degree is not always required for a quality control (QC) position, but many employers prefer candidates with a high school diploma or equivalent. Some roles may require technical training, certifications, or experience in quality assurance, manufacturing, or related fields. Skills such as attention to detail and knowledge of quality standards are often more important than formal education alone.

Is quality control a good career path?

Quality control is a viable career path that involves inspecting products and processes to ensure standards are met, often requiring attention to detail and knowledge of industry regulations. It can lead to roles in manufacturing, pharmaceuticals, or food industries, with opportunities for advancement and certification such as Six Sigma or ISO auditor training.

What are the key skills and qualifications needed to thrive as a Quality Control professional, and why are they important?

To thrive as a Quality Control professional, you need keen attention to detail, analytical skills, and a background in science, engineering, or manufacturing, often supported by relevant certifications like Six Sigma or ISO standards. Familiarity with quality management systems (QMS), statistical process control (SPC) software, and inspection equipment is typically required. Strong problem-solving abilities, communication, and teamwork set top performers apart in this role. These skills are crucial to ensure product consistency, prevent defects, and maintain compliance with industry standards.
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Quality Control jobs near you
Infographic showing various Quality Control job openings in Modesto, CA as of July 2026, with employment types broken down into 1% As Needed, 67% Full Time, 28% Part Time, 1% Temporary, 2% Contract, and 1% Nights. Highlights an 96% Physical, 1% Hybrid, and 3% Remote job distribution, with an average salary of $47,125 per year, or $22.7 per hour.
Quality Control Inspector

Quality Control Inspector

DeRuosi Nut

Escalon, CA • On-site

$16.90 - $20/hr

Temporary

Posted 2 days ago

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Job description

We are seeking seasonal Quality Control Inspectors to join our QA/QC team during harvest season. QC Inspectors monitor product quality throughout receiving, processing, and packing, ensuring compliance with USDA/DFA grading standards, customer specifications, and food safety programs. This role is essential in protecting our reputation for premium-quality walnuts.

Key Responsibilities:

  • Perform incoming inspections on walnut lots, including sampling, sizing, moisture testing, and grading for defects and color.
  • Inspect product during processing for compliance with USDA/DFA and customer specifications.
  • Document all inspection results in QC logs and digital tracking systems.
  • Identify and report non-conformances to supervisors for corrective action.
  • Verify correct lot labeling and maintain traceability throughout the production process.
  • Conduct in-line inspections on packing lines to ensure weight accuracy, product integrity, and packaging compliance.
  • Work closely with production leads and forklift drivers to pull representative samples.
  • Assist in maintaining a clean and organized QC workspace.
  • Follow GMPs, HACCP guidelines, and SQF program requirements at all times.

Qualifications:

  • Prior QC or QA experience in food processing preferred (nuts, produce, or similar agricultural products).
  • Knowledge of USDA/DFA walnut grading standards a plus (training provided).
  • Strong attention to detail and accuracy in recordkeeping.
  • Ability to follow established inspection protocols and communicate findings clearly.
  • Basic computer skills for entering inspection data.
  • English proficiency required; bilingual English/Spanish a plus.
  • Ability to stand for extended periods and lift up to 25 lbs. regularly, 50 lbs. occasionally.

What We Offer:

  • Competitive hourly rate (DOE) with overtime opportunities during peak harvest.
  • On-site training on USDA/DFA grading standards, food safety, and QC procedures.
  • Work in a modern facility with advanced inspection and sorting technology.
  • Opportunity to return for future harvest seasons or transition into year-round QC roles.

Skills

Quality Control (QC)

Product Inspection

HACCP Procedures

SQF Certified

USDA/DFA Grading Standards

Company Description

DeRuosi Nut is a walnut processing facility located in the fertile San Joaquin County. Our facility processes a wide variety of both inshell and shelled walnuts including; Chandler, Howard, Hartley, Tulare and Livermore.
In 1947, Michael DeRuosi Sr. was drawn to California by the promise of fertile agricultural ground, reminding him of the lands his family had farmed for generations. After serving in WWII, he purchased an existing fruit dehydrator in Escalon, California, to begin his journey in the food processing industry. The plant processed a range of commodities over several decades, including raisins, apricots, prunes, and eventually walnuts. As a family-run business, Michael DeRuosi III began assisting his grandfather at the age of 12, gaining valuable knowledge and experience in the food processing industry.
After graduating with a business degree, Michael DeRuosi III embarked on a successful career in various industries, including real estate and banking. In 1994, he returned to partner with his grandfather, and together they founded DeRuosi Nut, specializing in processing California walnuts. Since then, the company has grown conservatively and steadily into one of California's premier walnut processors, now processing nearly 50 million pounds of California walnuts annually.
DeRuosi Nut's commitment to quality and innovation has earned them a well-deserved reputation in the food processing industry. They are dedicated to producing the highest quality product, and their success is a testament to their hard work and dedication. As they continue to expand and innovate, DeRuosi Nut remains a trusted name in the industry, delivering top-notch products to customers worldwide.