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CONCRETE TESTING TECHNICIAN (SEASONAL)

Knife River - SD
United States, South Dakota, Sioux Falls
1500 North Sweetman Place (Show on map)
Apr 28, 2026
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:

This position is responsible to collect, prepare, test, analyze, and document samples to determine content and characteristics. Test samples using laboratory apparatus and testing equipment then entering findings in cloud-based database. Collaborate with entire ready-mix team using resources like digital interfaces, cloud-based databases and other tools available.

The typical schedule is Monday - Friday 6:30 AM - 3:30 PM. One Saturday per month. We have part-time and full-time seasonal available.

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



  1. Conduct testing of Knife River ready-mix products and materials from various locations according to ASTM standards and/or State specifications.
  2. Communicate field data with ready-mix team digitally after getting results
  3. Enter and update aspects of concrete mixes in cloud based database.
  4. Must be able to work independently with little or no direct supervision.
  5. Must be able to work varied hours and multitask
  6. Limited travel potentially necessary.
  7. Performs other duties as assigned.


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



  1. AAS degree in civil engineering desirable, or
  2. A combination of post-secondary education and experience, or
  3. High School education.
  4. Valid driver's license.
  5. ACI Field Testing and Strength Testing Technician certification desirable (willing to train).
  6. Ensure OSHA, DOT, EPA, DNR, MSHA, Federal, State, and Local safety and environmental regulation compliance including attending training.



    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 submitted online. If you are having issues completing the application, please come to the office for assistance.

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