Our History:

We are the materials supplier and construction division of MDU Resources Group Inc.   The North Central Region currently serves the Iowa, Minnesota, Nebraska, and South Dakota and North Dakota areas.

 

Products from our companies have helped build U.S. military installations, interstate highways, major sports and business facilities, airports, county and township infrastructures, energy plants, wind farms, residential and farm structures.  

 

Our success didn’t happen by chance. It’s the result of dedicated, hardworking people throughout our company. Our workforce is committed to excellence, devoted to quality, and has the expertise that means the difference between a job completed - and a job well done.

 

Our Future:

We strive to be a leader in the markets we serve, be a positive force in the communities in which we live and work, and provide growth opportunities for our employees while sustaining our profitability which funds our growth.

 

We are proud to be a subsidiary of MDU Resources Group, Inc. (NYSE:MDU) a multidimensional natural resource enterprise.  We are excited to work with a bigger team and share best practices to continually improve our products and services.  Knife River Corporation mines and markets aggregates and related value-added construction materials products and services in Alaska, California, Hawaii, Iowa, Idaho,  Kansas, Minnesota, Montana, Nebraska, North Dakota, Oregon, South Dakota, Texas, Washington and Wyoming.

 

Job Summary:

Responsible to safely collect samples of crushed stone, aggregate, sand or gravel and test for conformance to specifications.

 

Education & Requirements:

  • General education, grammar and arithmetic, GED or high school diploma or equivalent
  • Ability to provide and maintain proper certifications, licensure, medical card and acceptable driving record.
  • Class A license is preferred but not required.
  • Minimum equipment operation experience.

 

Responsibilities:

  • Safely and properly perform laboratory tests on variety of materials
  • Collect material samples, identify material, and compile statistical data on test results.
  • Perform necessary tests (i.e., gradations, incinerations, rice tests, marshall tests, %crushed, etc.)
  • Examine and evaluate data – determine material quality in relation to specifications
  • Present alternative actions in relation to the evaluation.  
  • Perform arithmetic operations and report findings and needed actions.
  • 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 & act courteous/respectful of others.  Communicate test results to appropriate stakeholders.
  • Ensure work activities comply with OSHA, EPA, safety and environmental regulations.  Good housekeeping skills.
  • Travel is required.
  • Performs other duties as assigned.

 

 

 

Thank you for taking the time to view our position at Knife River Corporation.  Please click the apply button,  submit your resume and contiue through the application process if you are interested!  We appreciate your time and look forward to building a relationship!

-Knife River Corporation

Equal Opportunity Employer, including disabled and veterans.

To see other positions, click here.