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Job Opportunities

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"Knife River truly focuses on employee safety and well-being." - Kevin W., Ready-Mix Manager

Our people make us successful!

At Knife River, we employ nearly 5,000 people each year - and they are the key to our success. Our workforce is just as diverse as our capabilities and our service territories. That diversity helps us excel. To find out about our job openings, please use our searchable menu at the right.

What is jobs.mdu.com?

Knife River is a subsidiary of MDU Resources Group, Inc. Our staffing activities are automated through the corporate employment portal called jobs.mdu.com.

On your first visit to the jobs site, you will need to set up your user profile. You will then be able to log in quickly on future visits and also be able to save job applications that you have started, save applications you have submitted and keep your personal contact information up to date.

Open Positions Locations Company Closes
Equipment Operator/Skid Steer (seasonal) To maintain and operate skid steer and various equipment to produce quality asphalt paving, grading, or aggregate projects. Williston, ND Knife River - North Dakota Division 10/05/2015
Administrative Support Clerk (seasonal) Responsible to perform a variety of clerical duties and office support duties. Sauk Rapids, MN Knife River - Central Minnesota Division 07/10/2015
AGGREGATE DELIVERY DRIVER Deliver materials to commercial, construction and residential projects. Maintain driver's daily log and legal load limits. Must be willing to work around plants when not driving. Operate Ready Mix Tru... more>> Portland, OR Knife River - Western Oregon Division 09/03/2015
Asphalt Distributor Driver (multiple openings) This position is responsible for operating an asphalt distributor truck safely and efficiently. Under the direction of the dispatcher, the driver will be responsible to deliver and apply product to c... more>> Stockton, CA Pacific Northwest Oil Company 12/24/2015
Asphalt Laborers (Seasonal) To complete various laborer and small equipment operation tasks to produce quality asphalt paving. Williston, ND Knife River - North Dakota Division 10/05/2015
ASPHALT OPERATORS SCREED AND DUMP OPERATORS    JOB SUMMARY    Responsible to safely adjust machine that spreads and levels bituminous or concrete paving material on subgrade of h... more>> BEMIDJI, MN Knife River Materials - Northern Minn. Division 08/31/2015
Asphalt Plant Groundman (seasonal) To maximize bituminous plant production through monitoring equipment operation and performing preventative maintenance. Williston, ND Knife River - North Dakota Division 10/05/2015
Asphalt Plant Grounds Person Maintain, repair, labor and operate equipment in support of asphalt production facilities. Duties include but not limited to: oiling, lubrication, housekeeping and loading of asphalt into trucks. M... more>> Tangent, OR Knife River - Western Oregon Division 07/08/2015
Asphalt Plant Groundsman Knife River Rapid City Division are looking for an experienced Asphalt Plant Groundsman to join our team.     Duties and Responsibilities:    •Perform daily in... more>> Rapid City, SD Knife River - Rapid City 07/15/2015
Asphalt Plant Operator Operate and maintain asphalt plant in a safe and efficient manner. Manage schedules/hours as well as daily duties for all plant personnel. Communicate with internal and external customers with daily o... more>> Tangent, OR Knife River - Western Oregon Division 07/03/2015
Asphalt Plant Operator/Maintenance Knife River Idaho Division is looking for an experienced Asphalt Plant Operator/Maintenance person to join our team. Our company takes pride in our quality of work and the expertise of our employees.... more>> Boise, ID Knife River - Southern Idaho Division 07/17/2015
Asphalt Roller Operator Knife River Rapid City Division is looking for a motivated Asphalt Roller Operators to join our team.         This position will require you to be able to work... more>> Rapid City, SD Knife River - Rapid City 07/15/2015
BEAM TRUCK DRIVER Haul over length prestressed concrete beams with tractor trailer and remote steerable equipment. Load concrete beams onto trailers and tie down loads for transport. Weigh trailers for legal axle weigh... more>> Harrisburg, OR Knife River - Western Oregon Division 08/31/2015
Blade/Motor Grader Operator Responsible to safely operate grader to spread and level dirt, gravel and stone to grade specification. Williston, ND Knife River - North Dakota Division 10/05/2015
Bottom Dump Driver (1-2) Knife River Northern California Ready Mix and Aggregate division has several openings for part-time/on-call Bottom Dump Truck drivers to service our customers within the northern California market. D... more>> Stockton, CA Knife River - Northern California Ready Mix Div. 12/04/2015
Bulk Cement Driver Responsible to safely operate tractor-trailer to deliver cement powder. Beaumont, TX Knife River - Texas Division 07/31/2015
CLERICAL ASSISTANT Assist with various job duties including: collect, compile and process daily job costing, subcontracts, billing, etc. Back up switchboard, filing, data entry, typing of various forms, photocopy and ot... more>> Tangent, OR Knife River - Western Oregon Division 07/03/2015
Concrete Finisher - (seasonal) Responsible to safely smooth and finish surfaces of poured concrete floors, walls, sidewalks or curbs to specified textures using hand tools or power tools including floats, trowels, and screeds. Sig... more>> Williston , ND Knife River - North Dakota Division 10/05/2015
Concrete Finisher - (seasonal) Responsible to safely smooth and finish surfaces of poured concrete floors, walls, sidewalks or curbs to specified textures using hand tools or power tools including floats, trowels, and screeds. Sig... more>> Bismarck, ND Knife River - North Dakota Division 10/05/2015
Concrete Finisher(s) (Seasonal) Knife River Billings is looking for individuals responsible to safely form, pour and finish surfaces of poured concrete sidewalks or curbs to specified textures using hand tools or power tools includi... more>> Billings, MT Knife River - Billings Division 07/31/2015
Concrete Form Setters/Finishers Knife River-Casper Division is accepting applications for concrete form setters/finishers. Applicant must have a minimum of 1 year experience in concrete construction including forming and pouring of... more>> Casper, WY Knife River - Casper Division 07/01/2015
Concrete Laborers - (seasonal) To complete various laborer and small equipment operation tasks to produce quality concrete projects. Williston, ND Knife River - North Dakota Division 10/05/2015
Crusher and Loader Operators CRUSHER OPERATOR    JOB SUMMARY    Responsible to safely operate machines that convey, wash, crush & screen aggregates to produce quality sand & gravel at maxim... more>> Bemidji, MN Knife River Materials - Northern Minn. Division 04/30/2016
Crusher/WashPlant Operator Responsible to safely operate machines that convey, wash, crush & screen aggregates to produce quality sand & gravel at maximum production levels. Operates & maintains front end loader to lift and tr... more>> Williston, ND Knife River - North Dakota Division 08/31/2015
Crusher/WashPlant Operator Responsible to safely operate machines that convey, wash, crush & screen aggregates to produce quality sand & gravel at maximum production levels. Operates & maintains front end loader to lift and tr... more>> Bismarck, ND Knife River - North Dakota Division 10/05/2015
Crushing Laborers and Operators Knife River Idaho is looking for a complete Crushing Crew. This crew will be well diverse in crushing equipment operations, safety guidelines and team work.    The following posit... more>> Boise, ID Knife River - Southern Idaho Division 08/07/2015
Diesel Mechanics Responsible for keeping equipment running and maintained properly by:(1) performing repairs/ improvements / maintenance to assure all equipment is in safe working condition, (2) troubleshoot equipment... more>> Cheyenne, WY Knife River - Cheyenne Division 07/31/2015
Diesel/Heavy Equipment Mechanic Responsible for safely keeping equipment running and maintained properly Bismarck, ND Knife River - North Dakota Division 10/31/2015
Distributor Operator/Driver (Seasonal) Responsible to safely operate and drive truck equipped with tank to spray oil or bituminous emulsions on road surfaces. Williston, ND Knife River - North Dakota Division 10/05/2015
Dozer Operator - Contruction (Seasonal) To open new or existing site and prepare for aggregate extraction & stockpiling then restore site after extraction operation is completed Williston, ND Knife River - North Dakota Division 10/05/2015
Dozer/Scraper Operator - Aggregate (Seasonal) To open new or existing site and prepare for aggregate extraction & stockpiling then restore site after extraction operation is completed. Williston, ND Knife River - North Dakota Division 08/31/2015
Electrician Responsible to safely install and repair electrical systems and electrical components at black top plants. Bismarck, ND Knife River - North Dakota Division 08/31/2015
Environmental Manager To establish and manage a company-wide land development and environmental program that reduces company exposure/risk, positions the company as a good neighbor and environmentally conscious community m... more>> Sioux City, IA Knife River - Midwest Division 07/20/2015
EQUIPMENT/TRUCK FIELD MECHANIC Help maintain and repair trucks and mining equipment, including hydraulic repair, brake work, electrical repairs, and some welding. Perform service repairs in the field, complete daily paperwork an... more>> Central Point, OR Knife River - Southern Oregon Division 07/07/2015
EQUIPMENT/TRUCK MECHANICS Help maintain and repair construction trucks and equipment, including hydraulic repair, brake work, electrical repairs, and some welding. May perform service repairs in the field, complete daily pape... more>> Portland, OR Knife River - Western Oregon Division 07/27/2015
Estimator/Project Manager 1. Review proposal specifications, drawings, pre-bid meetings and visit project sites to determine scope of work required in preparing bid/estimate proposal.    2. Determine labor,... more>> American Fork, UT Knife River - Southern Idaho Division 07/17/2015
Estimator/Project Manager Knife River Construction – Stockton is a construction business supplying contracting and construction services to public and private customers in the greater San Joaquin County. We are looking to fil... more>> Stockton, CA Knife River Construction-Northern CA Stockton Div. 07/09/2015
Estimator/Project Manager To bid and manage projects in the company's work area in order to achieve lowest bid and highest price that the market will allow Williston, ND Knife River - North Dakota Division 07/31/2015
Excavator (seasonal) Responsible to safely operate excavating equipment to excavate, move and grade earth. Williston, ND Knife River - North Dakota Division 10/05/2015
Excavator Operator Operator needed for Springville and/or Price Helper area. Applicants must have the availability to work a variety of shifts including weekends. Successful candidate must have a valid driver license. American Fork, UT Knife River - Southern Idaho Division 07/17/2015
Field Mechanic Knife River is looking for a motivated and experienced Heavy Equipment Field Mechanic for our Rapid City division.        This position will require you to be a... more>> Rapid City, SD Knife River - Rapid City 07/15/2015
Finish Blade Operator (s) The Knife River-Casper Division is looking for qualified finish blade operators for our construction services operations.     Minimum duties/abilities are defined as follows: ... more>> Casper, WY Knife River - Casper Division 08/03/2015
General Laborers (seasonal) Knife River - Missoula is looking for Laborers for the up coming construction season. Candidate's must be hard working, dependable, self modivated, and able to follow directions. Missoula, MT Knife River - Missoula Division 08/31/2015
Heavy Equipment Operator(s) Heavy Equipment Operator(s) with work history in the operation of Finish Blade Operator, Excavator, Loader and Dozer. Belgrade, MT Knife River - Belgrade Division 07/31/2015
Heavy Equipment Operator-Comm (seasonal) Responsible to safely operate equipment (excavator, blade, front-end loader, trimmer, etc.) to spread/level dirt/gravel/stone to grade specifications in construction maintenance and earthwork structur... more>> Sioux City, IA Knife River - Midwest Division 07/20/2015
Heavy Equipment Operators, Laborers, Truck Drivers Immediate job openings for Knife River Yellowstone Division.    Positions available:    Heavy Equipment Operators    Laborers  &nb... more>> Billings, MT Knife River - Yellowstone Division 08/01/2015
Heavy equipment Operators, Laborers, Truck Drivers Immediate job openings for Knife River South Dakota Division.    Positions available: Heavy Equipment Operators, Laborers and Truck Drivers      &nbs... more>> Rapid City, SD Knife River - Rapid City 07/31/2015
Laborer This position is located in the Price/Helper area. Candidate will be hard working, dependable and able to perform manual labor for approximately 90% of their work shift.      ... more>> American Fork, UT Knife River - Southern Idaho Division 07/17/2015
Laborer-Comm (seasonal) Responsible to safely complete various laborer and small equipment operation tasks to produce quality asphalt paving or concrete projects.         [Davis-Bacon ... more>> Sioux City, IA Knife River - Midwest Division 07/20/2015
Laydown Foreman (M/F) - Asphalt (seasonal) Responsible to safely supervise and coordinate activities of workers engaged in asphalt paving. Sioux City, IA Knife River - Midwest Division 07/20/2015
Loader Operator Loader Operators needed for Springville and/or Price/Helper area. Will operate and maintain loader to feed conveyors, hoppers or load trucks.        Duties incl... more>> American Fork, UT Knife River - Southern Idaho Division 07/17/2015
Loader Operator Knife River is looking for an experienced Loader Operator. Rapid City, SD Knife River - Rapid City 07/15/2015
Loader Operator (seasonal) To operate and maintain loader to feed conveyors, hoppers or load trucks Williston, ND Knife River - North Dakota Division 10/05/2015
Mechanic (seasonal) Responsible for safely keeping trucks and equipment running and properly maintained.         [Davis-Bacon wages may apply.] Sioux City, IA Knife River - Midwest Division 07/20/2015
Paver Operator (seasonal) Responsible to safely operate machine that spreads and levels hot-mix bituminous paving material on subgrade of highways and streets or concrete paving machine to spread and smooth freshly poured conc... more>> Williston, ND Knife River - North Dakota Division 10/05/2015
Paver Screed Operators (seasonal) Responsible to safely adjust machine that spreads and levels bituminous or concrete paving material on subgrade of highways and streets to control width, depth, and quality of material being placed. Williston, ND Knife River - North Dakota Division 10/05/2015
Pipe Foreman We are looking for a self-motivated Pipe Foreman for Price/Helper area in Utah who is eager to contribute to the success of the company.     The Pipe Foreman will direct and coordi... more>> American Fork, UT Knife River - Southern Idaho Division 07/17/2015
Pipe Layer Pipe Layer will begin work in Springville and/or Price/Helper area. Must be hard-working, dependable and be able to perform manual labor for approximately 80% of the work shift. This position may requ... more>> American Fork, UT Knife River - Southern Idaho Division 07/17/2015
Project Engineer - multiple positions Knife River Idaho is looking for an experienced and proven professional to fill our Project Engineer position.        Responsibilities:    P... more>> Boise, ID Knife River - Southern Idaho Division 07/01/2015
Project Engineer / Estimator Provide project management, estimating and costing support for the Estimating/Project Management staff on public and private construction projects. Prepare construction cost estimates to meet varying ... more>> Tangent, OR Knife River - Western Oregon Division 07/24/2015
Ready Mix Driver - (seasonal) various locations To provide products and delivery services to customers in a timely manner to meet customer expectations. Albertville, Isanti, Forest Lake, Annandale, MN Knife River - Central Minnesota Division 07/31/2015
Ready Mix Driver -Fargo To provide products and delivery services to customers in a timely manner to meet customer expectations. Fargo, ND Knife River Materials - ND Division 07/31/2015
READY MIX DRIVERS Deliver ready mix concrete to commercial and construction projects. Will operate trucks at various locations as needs dictate. Other miscellaneous duties as directed by supervisor. Must have a flexibl... more>> Portland, OR Knife River - Western Oregon Division 08/31/2015
Ready Mix Drivers (Seasonal) To provide products and delivery services to customers in a timely manner to meet customer expectations Bismarck, ND Knife River - North Dakota Division 10/05/2015
Ready Mix Drivers (Seasonal) To provide products and delivery services to customers in a timely manner to meet customer expectations Williston/Watford City, ND Knife River - North Dakota Division 10/05/2015
Ready Mix Drivers (Seasonal) To provide products and delivery services to customers in a timely manner to meet customer expectations Dickinson, ND Knife River - North Dakota Division 10/05/2015
Ready Mix Truck Drivers Knife River Northern California Ready Mix division serves the greater Stockton California marketplace with ready mix through delivery in our Ready Mix Trucks. We are looking for several Ready Mix Tru... more>> Stockton and multiple Northern Cal. locations, CA Knife River - Northern California Ready Mix Div. 12/04/2015
Roller Operator - Asphalt (seasonal) Responsible to safely operate heavy rolling machine to compact bituminous surface to grade specifications preparatory to construction of highways, streets and runways. Williston, ND Knife River - North Dakota Division 10/05/2015
Sales Representative To establish good relationships with current customers, contact potential customers, create lasting customer relations selling aggregate and ready mix throughout central North Dakota.   &nb... more>> Bismarck, ND Knife River - North Dakota Division 07/26/2015
Senior Project Manager/Estimator Knife River is looking for a motivated and experienced Senior Project Manager/Estimator for our Casper Division. This position will require you to be able to work both independently and as a team pla... more>> Casper, WY Knife River - Casper Division 07/15/2015
Terminal Operator - Sioux City, IA Primary Responsibilities:     Conduct terminal activities to insure daily production objectives are accomplished related to storage, daily inventory, transfers, manufacture, and d... more>> Sioux City , IA Jebro Incorporated 07/10/2015
Transportation Driver; Liquid Asphalt. The dependable driver is to handle the safe operation of company owned semi-tractor/trailers and/or vacuum truck to deliver, transfer and pick-up liquid bulk materials for our customers, suppliers and... more>> Sioux City, IA Jebro Incorporated 07/10/2015
Truck Driver - Dump Truck Deliver materials to commercial and construction projects in a safe and efficient manner. Service and maintain drivers daily log and legal load limits. Must be willing to do other miscellaneous duties... more>> Tangent, OR Knife River - Western Oregon Division 07/20/2015
Truck Driver Class A-Ports (seasonal) Responsible to operate straight truck or tractor-trailer equipment and maintain properly to transport material to designated location in a timely manner.        &nb... more>> Sioux City, IA Knife River - Midwest Division 07/20/2015
Truck Driver(s) Responsible to operate Ready Mix, Straight Truck or Tractor Trailer equipment and maintain properly to transport material to designated location in a timely manner. Casper, WY Knife River - Casper Division 07/22/2015
Truck Drivers (seasonal) Responsible to operate straight truck or tractor-trailer equipment and maintain properly to transport material to designated location in a timely manner Bemidji, MN Knife River Materials - Northern Minn. Division 05/13/2016
Truck Drivers (seasonal) Responsible to operate straight truck or tractor-trailer equipment and maintain properly to transport material to designated location in a timely Williston, ND Knife River - North Dakota Division 10/05/2015
Truck Drivers (seasonal) Responsible to operate straight truck or tractor-trailer equipment and maintain properly to transport material to designated location in a timely Bismarck , ND Knife River - North Dakota Division 10/05/2015
Truck Drivers (seasonal) Responsible to operate straight truck or tractor-trailer equipment and maintain properly to transport material to designated location in a timely manner Sauk Rapids, MN Knife River - Central Minnesota Division 07/31/2015