QUALITY CONTROL TECHNICIAN - ASPHALT (SEASONAL)

Knife River Corporation; Sauk Rapids, Northern (MN, KY); On-site; USD 34,000 - 41,000; Full time

Benefits offered by this job

Health Savings and Flexible Spending

401(k) with Company Match

Profit Sharing

Paid Time Off

8 Paid Holidays

Company Paid Life and AD&D Insurance

Short-term Disability

Employee Assistance Program

Years of Service Recognition

Voluntary Life Insurance for Employees

Critical Illness Plan

Hospital Indemnity

Job summary

Knife River is seeking a Quality Control Technician - Asphalt for a seasonal, on-site position in Sauk Rapids, MN. You will collect samples from crushed stone, aggregate, sand, asphalt, and other materials, and perform conformance tests to specifications.

Typical hours are Monday–Friday with some Saturdays; benefits remain year-round. The role emphasizes safety and accurate data reporting, with potential for continued employment based on performance.

Qualifications

• High school graduate or GED equivalent.
• Maintain proper certifications, licensure and acceptable driving record (where applicable).
• Able to operate testing machines and equipment such as a nuclear densometer.

Responsibilities

• Tests and inspects products at various production states and compiles statistical data to ensure quality.
• Selects products for tests at specified stages and assesses dimensions, performance and other characteristics.
• Perform tests (gradations, incinerations, rice tests, etc.) and record data for analysis.

Skills

Attention to detail

Statistical data

Quality control

Communication

Education

High school diploma or GED

Tools

Nuclear densometer

Job description

QUALITY CONTROL TECHNICIAN - ASPHALT (SEASONAL)

Job Category: Quality Control

Requisition Number: QUALI003989

• Posted : August 27, 2026
• Full-Time
• On-site

Locations

Showing 1 location

SAUK RAPIDS, MN 56379, USA

• Pay or shift range: $25 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.

Description

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 MidCap 400 index.

ROLE OVERVIEW:

As a seasonal team member, you’ll enjoy winters off to travel, hunt, fish, or pursue the activities you love—while still keeping your benefits all year long.

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 hours are Monday - Friday 5:00 AM - 8:00 PM with 3 Saturdays per month.

COMPENSATION:

Salary range: $25.00 - $30.00

DUTIES AND/OR RESPONSIBILITIES (summary of components that make up the job)

• Tests and inspects products at various states 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, incinerations, rice tests, marshall tests, % 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.
• Recommends 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.
• Examines 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 any and all unsafe actions, processes, and behaviors.
• Must maintain the highest level of moral and ethical standards at all times.
• Perform other duties as assigned.

MINIMUM REQUIREMENTS (minimum educational, experience, or other relevant job requirements)

• High school graduate or GED equivalent.
• Maintain proper certifications, licensure and acceptable driving record (where applicable)
• Able to operate testing machines and equipment such as a nuclear densometer
• High ethical and moral standards.
• 3+ years of experience in all aspects of testing in the general construction industry preferred

BENEFITS:

• Health Savings and Flexible Spending Accounts
• 401(k) with Company Match
• Profit Sharing
• Paid Time Off
• 8 Paid Holidays
• Company Paid Life and AD&D Insurance
• Short-term Disability
• Employee Assistance Program
• Years of Service Recognition
• Voluntary Life Insurance for Employees, Spouses, and Dependents
• Critical Illness Plan
• Hospital Indemnity

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 law.
Subject to pre-employment drug testing and background checks.
If unable to apply online, please mail completed application to:

4787 Shadow Wood Drive NE, Sauk Rapids, MN 56379.

Equal Opportunity Employer/Protected Veterans/Individuals with Disabilities
This employer is required to notify all applicants of their rights pursuant to federal employment laws.For further information, please review the Know Your Rights notice from the Department of Labor.