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Lab Quality Control Jobs in California (NOW HIRING)

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 ...

Agilent

Quality Control Laboratory Intern

Carpinteria, CA · On-site

$22 - $25/hr

This internship blends hands-on lab readiness activities (GLP/GMP, stocking, cleaning, equipment upkeep) with basic QC testing and documentation (raw materials, in-process, and finished goods). The ...

CalPortland

Quality Control Chemist

Mojave, CA · On-site

Coordinate with Lab Supervisor to ensure efficient operation of quality control and plant systems * Assist QC Supervisor in monitoring and ordering laboratory supplies, performing monthly inventories ...

CalPortland

Quality Control Chemist

Mojave, CA · On-site

Coordinate with Lab Supervisor to ensure efficient operation of quality control and plant systems * Assist QC Supervisor in monitoring and ordering laboratory supplies, performing monthly inventories ...

CalPortland

Quality Control Chemist

Mojave, CA · On-site

Coordinate with Lab Supervisor to ensure efficient operation of quality control and plant systems * Assist QC Supervisor in monitoring and ordering laboratory supplies, performing monthly inventories ...

CalPortland

Quality Control Supervisor

San Bernardino, CA · On-site

$75K - $100K/yr

Job Summary This position is for a Quality Control Supervisor in a cement lab and requires previous cement industry experience and ACI certifications. The Quality Control Supervisor reports to the ...

CalPortland

Quality Control Supervisor

Hermosa Beach, CA · On-site

$75K - $100K/yr

Job Summary This position is for a Quality Control Supervisor in a cement lab and requires previous cement industry experience and ACI certifications. The Quality Control Supervisor reports to the ...

CalPortland

Quality Control Supervisor

North Hollywood, CA · On-site

$75K - $100K/yr

Job Summary This position is for a Quality Control Supervisor in a cement lab and requires previous cement industry experience and ACI certifications. The Quality Control Supervisor reports to the ...

CalPortland

Quality Control Supervisor

Lakewood, CA · On-site

$75K - $100K/yr

Job Summary This position is for a Quality Control Supervisor in a cement lab and requires previous cement industry experience and ACI certifications. The Quality Control Supervisor reports to the ...

CalPortland

Quality Control Supervisor

Beverly Hills, CA · On-site

$75K - $100K/yr

Job Summary This position is for a Quality Control Supervisor in a cement lab and requires previous cement industry experience and ACI certifications. The Quality Control Supervisor reports to the ...

CalPortland

Quality Control Supervisor

Mission Hills, CA · On-site

$75K - $100K/yr

Job Summary This position is for a Quality Control Supervisor in a cement lab and requires previous cement industry experience and ACI certifications. The Quality Control Supervisor reports to the ...

CalPortland

Quality Control Supervisor

Sun Valley, CA · On-site

$75K - $100K/yr

Job Summary This position is for a Quality Control Supervisor in a cement lab and requires previous cement industry experience and ACI certifications. The Quality Control Supervisor reports to the ...

CalPortland

Quality Control Supervisor

North Hollywood, CA · On-site

$75K - $100K/yr

Job Summary This position is for a Quality Control Supervisor in a cement lab and requires previous cement industry experience and ACI certifications. The Quality Control Supervisor reports to the ...

CalPortland

Quality Control Supervisor

Glendale, CA · On-site

$75K - $100K/yr

Job Summary This position is for a Quality Control Supervisor in a cement lab and requires previous cement industry experience and ACI certifications. The Quality Control Supervisor reports to the ...

CalPortland

Quality Control Supervisor

Mount Wilson, CA · On-site

$75K - $100K/yr

Job Summary This position is for a Quality Control Supervisor in a cement lab and requires previous cement industry experience and ACI certifications. The Quality Control Supervisor reports to the ...

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Lab Quality Control information

See California salary details

$13

$22

$30

How much do lab quality control jobs pay per hour?

As of Jul 10, 2026, the average hourly pay for lab quality control in California is $22.32, according to ZipRecruiter salary data. Most workers in this role earn between $18.75 and $23.70 per hour, depending on experience, location, and employer.

What is the difference between Lab Quality Control vs Lab Technician?

AspectLab Quality ControlLab Technician
Primary RoleEnsures lab processes and products meet quality standardsPerforms tests and procedures in the lab
CertificationsOften requires quality assurance or related certificationsTypically requires a technical diploma or associate degree
Work EnvironmentQuality assurance labs, manufacturing, or clinical settingsResearch labs, clinical labs, or industrial labs
ResponsibilitiesDeveloping, implementing, and monitoring quality protocolsConducting tests, recording data, maintaining equipment

Lab Quality Control specialists focus on maintaining and improving lab quality standards, while Lab Technicians perform the hands-on testing and data collection. Both roles are essential in lab operations but differ in scope and responsibilities.

What are some common challenges faced in a Lab Quality Control role and how can they be managed?

Lab Quality Control professionals often encounter challenges such as maintaining consistent adherence to strict protocols, managing tight deadlines for sample testing, and troubleshooting unexpected equipment or process issues. Working in this role requires strong attention to detail and effective communication with both lab technicians and management to ensure results are accurate and compliant with regulatory standards. To manage these challenges, it's important to stay organized, keep up with ongoing training, and foster collaborative relationships with colleagues from other departments like production and R&D.

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

To thrive in Lab Quality Control, you need a solid background in laboratory science, attention to detail, and familiarity with quality assurance protocols, often supported by a degree in chemistry, biology, or a related field. Proficiency with laboratory information management systems (LIMS), analytical instruments, and understanding of relevant regulatory standards (such as ISO 17025 or GMP) is typically required. Strong problem-solving, organizational, and communication skills help professionals effectively manage testing processes and collaborate with team members. These skills ensure accurate results, regulatory compliance, and the reliability of laboratory operations.

What is Lab Quality Control?

Lab Quality Control refers to the processes and procedures used in laboratories to ensure the accuracy, reliability, and consistency of test results. Professionals in this field monitor equipment, follow standardized protocols, and analyze samples to detect errors or inconsistencies. They play a crucial role in maintaining compliance with regulatory standards and ensuring that laboratory outcomes are trustworthy. Effective quality control helps prevent inaccurate results, which can impact scientific research, medical diagnoses, and industrial processes.
What are popular job titles related to Lab Quality Control jobs in California? For Lab Quality Control jobs in California, the most frequently searched job titles are:
What job categories do people searching Lab Quality Control jobs in California look for? The top searched job categories for Lab Quality Control jobs in California are:
Lab Quality Control jobs near you
Quality Control Technician

Quality Control Technician

711 Materials, Inc.

Modesto, CA

$30 - $40/hr

Full-time

Medical, Dental, Vision, Life, Retirement

Re-posted 27 days ago

Job description

"OUR PEOPLEAREOUR STRATEGY"

We are growing and in need of a Concrete Quality Control Technician for our 711 Materials, Inc. facility.
Come join a team with a great company culture that offers competitive wages and benefits!! We offerPaid Time Off, Medical, Dental, Vision Care Insurance. We offer a 401k program. A Pension Program, Life Insurance, AD&D and opportunities for growth and development.

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 Caltrans standards for ready mix and aggregate materials. This position involves troubleshooting and maintaining accurate, timely records, as well as inspecting and testing materials to support Quality Control functions at 7/11 Materials.

ESSENTIAL DUTIES AND RESPONSIBLITIES:

  • Comply with ASTM, ACI, AASHTO, and Caltrans specifications for sampling and testing construction materials
  • Organize a concrete break schedule and plant testing equipment recertification process to comply with Caltrans and ACI
  • Communicate with plant personnel to maintain proper Batch plant moisture readings for aggregate used in concrete loads
  • Communicate with customers to address quality/performance issues of concrete and aggregate products at job sites or plants
  • Communicate with upper management and outside companies or agencies to report material testing data
  • Maintain working knowledge of Microsoft Office applications to input, evaluate, and report testing material data
  • Maintain working knowledge of Command and Stonemont to help the QC Manager with item code information changes/mix design changes
  • Train rock plant managers, rock plant personnel, and affected ready mix personnel on ACI sampling and testing procedures
  • Supervise mixer drivers on jobsites to ensure they provide a quality product/service and comply with local/project regulations
  • Participate in pre-pour meetings with customers and related staff to organize concrete deliveries and divulge mix/plant info
  • Maintain proper inventory of lab chemicals and tools to supply the main lab and all rock plant testing facilities
  • Apply creative thinking to improve processes and support product development initiatives within operations
  • Travel to intrastate plants to sample and deliver aggregate or cement to local agencies for compliance testing, perform concrete trial batches, and conduct concrete field testing for local projects.
  • Maintain necessary certifications
  • Other duties as assigned


QUALIFICATIONS/EDUCATION:

  • Experience in testing construction materials and/or plant inspection is preferred.
  • Working knowledge of Microsoft Word and Excel.
  • Must have excellent communication skills, both written and verbal.
  • Proven leadership qualities.
  • Must possess the ability to prioritize and handle multiple projects utilizing organizational skills and communication skills.
  • Strong sense of responsibility regarding timely and accurate completion of work and a strong commitment to corporate goals.
  • Must be capable of functioning in a fast-paced and demanding working environment.
  • Ability to travel to different company locations and work sites as needed
  • Previous experience in quality control within the construction industry is preferred
  • A minimum of five years in the aggregate/ready-mix industry is preferred
  • Certifications related to quality control and construction material testing are advantageous.
  • Continuous professional development to stay updated with industry standards and practices is expected.

AFFIRMATIVE ACTION STATEMENT:

Applicants must be currently authorized to work in the United States.

We are proud to be an Equal Opportunity and Affirmative Action employer, and consider qualified applicants without regard to race, color, creed, religion, ancestry, national origin, sex, sexual orientation, gender identity, age, disability, veteran status or any other protected factor under federal, state or local law.

Employment Type: Full-Time

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