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. 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. 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.
Stand Out From the Crowd
Upload your resume and get instant feedback on how well it matches this job.
Career Level
Mid Level
Education Level
High school or GED