Job Description

Ready-Mix Truck Driver

Job Category: Truck Driver Requisition Number: READM002959

Posted: March 30, 2026

Full-Time On-site

Sioux City, IA 51105, USA

Job Details

Description

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, and we are committed to giving them the tools, training, and time to do their jobs productively and go home safely each day. 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 MicCap 400 index.

The typical schedule is Monday - Friday 6:00 AM - 6:00 PM with Saturday as needed.

Job Summary

Drives mixer truck to deliver concrete mix to customer job sites in a timely manner to meet customer expectations.

Duties and/or Responsibilities

• Perform daily truck inspections and report needed repairs or safety concerns.
• Perform daily housekeeping in truck cab and maintenance of equipment, including fluid levels and tire pressure.
• Drives truck safely into position to receive load and adjusts ready mix to proper slump.
• Adjusts drum revolutions to improve concrete quality.
• Drives truck equipped with auxiliary concrete mixer to deliver concrete mix to job sites.
• Recognizes surroundings and practice traffic awareness to maintain a safe environment.
• Communicates with customer to understand requirements of job and deal with safety concerns. Clear communication is a must.
• Positions truck for unloading and attaches chutes safely.
• Adjusts moisture to contractor's requirements.
• Cleans truck safely after delivery to prevent concrete from hardening in mixer and on truck, using water hose and hoe. This may require to climb up ladder using 3 points of contact onto platform.
• Complete recordkeeping tasks, including note changes made to the product and any weather and environmental conditions on the load ticket for quality assurance; daily timekeeping and time off requests; inspection reports.
• Ensure OSHA, DOT, EPA, DNR, MSHA, Federal, State, and Local safety and environmental regulation compliance including attending training.
• Performs other duties as assigned.

Education and/or Work Experience Requirements

• High school diploma or GED.
• A CDL license with two years truck driving experience.
• Must maintain medical card and acceptable driving record.
• One to three months experience and/or training related to ready mix delivery.
• Ability to use computerized time tracking system.
• DOT Medical card, or must be able to obtain one.

Compensation:

Beginning pay rate for mixer driver is $24.85, and up, depending on experience.

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.

All applications are completed online. If you're having issues completing the application, you can stop at our office for assistance.

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