Quality Control Tech - Ready Mix; Seasonal

QUALITY CONTROL TECH - READY MIX (SEASONAL)

Job Category
:
Quality Control

Requisition Number
: QUALI
003038

Posted :
February 2, 2026

Full-Time

On-site

KRC NC SAUK RAPIDS CONST
4787 SHADOW WOOD DRIVE NE
SAUK RAPIDS, MN 56379, USA

Pay or shift range: $26 USD to $30 USD

The estimated range is the budgeted amount for this position. Final offers are based on various factors, including skill set, experience, location, qualifications and other job-related reasons.

Good Pay! Good Benefits! Good People! 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.

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

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 (summary of components that make up the job)

• 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 specified stages in production process and tests products for a 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 a 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 transport 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 (minimum educational, experience, or other relevant job requirements)

• High school graduate or GED equivalent.
• Maintain proper certifications, licensure and…