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Quality Control Tech - Ready Mix; Seasonal

Job in Sauk Rapids, Benton County, Minnesota, 56379, USA
Listing for: Knife River - North Central
Full Time, Seasonal/Temporary position
Listed on 2026-02-16
Job specializations:
  • Manufacturing / Production
  • Quality Assurance - QA/QC
    Quality Control / Manager, Quality Technician/ Inspector
Salary/Wage Range or Industry Benchmark: 26 - 30 USD Hourly USD 26.00 30.00 HOUR
Job Description & How to Apply Below
Position: QUALITY CONTROL TECH - READY MIX (SEASONAL)

Overview

Knife River is a PEOPLE-first company. Our team members are key to our success, and we are committed to giving them the tools, training, and time to do their jobs productively and go home safely each day. Please consider joining our growing team today!

At Knife River, we take care of our team because we know it's our people who make us successful. We are one of the 10 largest construction materials producers/contractors in the Country. Our goal is to build strong teams that, in turn, build strong communities. We are also a publicly traded company on the NYSE with the ticker symbol KNF and part of the S&P Mid Cap 400 index.

Role Overview

This position is responsible to safely collect samples of crushed stone, aggregate, sand, asphalt, ready mix or gravel and test for conformance to specifications. Other duties as assigned by supervisor.

Schedule

The typical schedule is Monday - Friday, 4:00 AM - 6:00 PM with Saturday as needed.

Benefits/Seasonality

This is a seasonal position. You can use your winters off to travel, hunt, fish or for other activities you enjoy while your benefits continue year round.

Duties and/or Responsibilities
  • Tests and inspects products at various stages of production process and compiles and evaluates statistical data to determine and maintain quality and reliability of products.
  • Selects products for tests at specifies stages in production process and tests products for variety of qualities such as dimensions, performance and mechanical, electrical or chemical characteristics.
  • Perform necessary tests (i.e. gradations, unit weight, air, slump, % crushed, etc.) testing products for variety of qualities such as dimensions, performance and mechanical, electrical or chemical characteristics. May weigh, dry and reweigh samples to determine moisture content of samples.
  • Records test data, applying statistical quality control procedures. May plot origin of samples on site map.
  • Records test data, applying statistical quality control procedures. Evaluates data and writes reports to validate or indicate deviations from existing standards. May prepare graphs or charts of data or enter data into computer for analysis.
  • Recommend modifications of existing quality or production standards to achieve optimum quality within limits of equipment capability.
  • May set up and perform destructive and nondestructive tests on materials, parts or products to measure performance, life or material characteristics.
  • Examine samples for presence of foreign matter and variation from color standard.
  • Notifies management when materials do not meet specifications.
  • Maintain lab and equipment; perform daily housekeeping.
  • Conduct finished and in-process inspections.
  • Perform concrete trial batches.
  • Communicate effectively (verbal, listening, written) and work with difficult people under high stress situations. Self-motivated, team-player with good interpersonal skills; ability to maintain positive customer relations and act courteous and respectful of others. Communicate test results to appropriate stakeholders.
  • Ensure work activities comply with OSHA, EPA, safety and environmental regulations.
  • Travel is required. Gather samples from specified locations and transports samples to laboratory.
  • Always work safely and take action to prevent all unsafe actions, processes, and behaviors.
  • Must always maintain the highest level of moral and ethical standards.
  • Perform other duties as assigned.
  • Compensation

    $26.00 - $30.00/hour, depending on experience.

    Minimum Requirements

    As a successful Lab/Quality Control Technician you will have:

  • High school graduate or GED equivalent.
  • Maintain proper certifications, licensure and acceptable driving record (where applicable)
  • Able to operate testing machines and equipment
  • High ethical and moral standards.
  • Preferred Requirements

    (preferred requirements i.e. certifications, software use, etc.)

  • 3 + years  experience in all aspects of testing in the general construction industry
  • Additional Information

    Knife River is an Equal Opportunity/Affirmative Action employer. All qualified applicants will receive consideration for employment without regard to race, age, color, religion, gender, gender identity, sexual orientation, national origin, disability, protected Veteran status or any other protected category under applicable state/federal laws.

    Subject to pre-employment drug testing and background checks.

    All applications are completed online. If you re having issues completing the application, you can stop at our office for assistance.

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