Knife River Corporation
ASSISTANT ASPHALT PLANT OPERATOR
Skills
12 days ago
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Important information
Location:
Sioux Falls, SD, USA
Work mode:
Onsite
Published on:
16 October 2026
What they need
Great Pay! Great Benefits! Strong Teams! Knife River is a PEOPLE-first company. Our teams are the foundation of our success, and we're committed to providing the training, tools and support to do great work and go home safely at the end of each day. Join a team that looks out for one another and supports career growth from day one.
ROLE OVERVIEW:
Assistant plant operators are responsible for the operation and maintenance of the plant and must adhere to safety regulations at all times.
The typical schedule is Monday - Friday 5:00 AM - 6:00 PM during production season. Typical schedule during maintenance season is Monday - Friday 7:00 AM - 5:00 PM. The schedule may vary due to weather and customer demand.
DUTIES AND/OR RESPONSIBILITIES (summary of components that make up the job)
Obey all safety rules and work in a safe manner.
Work alone or work with other employees in a friendly & cooperative manner.
Be self motivated.
Be receptive to ongoing education about products and how they work.
Operate a motor vehicle
Operate hand tools and safety equipment including but not limited to: grease guns, wrenches, shovels, fire hoses and cutting torches and stick welding.
Perform routine plant maintenance, including clean up.
Inspect plant for necessary maintenance and complete repairs as assigned.
Communicate inspections to supervisor.
Assist with operations of asphalt plant and maintenance as directed by supervisor.
Be able to work at heights.
Performs other duties as assigned.
KNOWLEDGE, SKILLS, AND ABILITIES (types and extent of knowledge, skills or abilities an incumbent must possess to complete the job responsibilities satisfactorily)
Excellent written and verbal communication skills.
Strong organizational skills.
Knowledge of MS Office (Word, Excel, Outlook).
Able to work independently and under time constraints.
Troubleshooting & problem-solving.
Maintenance skills.
Record keeping and strong attention to detail.
Critical thinking skills.
MINIMUM REQUIREMENTS (minimum educational, experience, or other relevant job requirements)
High school diploma or general education degree (GED);
or one to three months related experience and/or training;
or equivalent combination of education and experience.
Driver’s license preferred but not required.
Ensure OSHA, DOT, EPA, DNR, MSHA, Federal, State, and Local safety and environmental regulation compliance including attending training.
This position may require you to wear a half mask respirator at times and therefore, you will be required to be fit tested. Per OSHA “The Respiratory Protection standard, paragraph 29 CFR 1910.134(g)(1)(i)(A), states that respirators shall not be worn when facial hair comes between the sealing surface of the facepiece and the face or that interferes with valve function. Facial hair is allowed as long as it does not protrude under the respirator seal, or extend far enough to interfere with the device's valve function. Short mustaches, sideburns, and small goatees that are neatly trimmed so that no hair compromises the seal of the respirator usually do not present a hazard and, therefore, do not violate paragraph 1910.134(g)(1)(i).
BENEFITS:
Medical, Dental, & Vision Insurance
Health Savings and Flexible Spending Accounts
401(k) with Company Match
Profit Sharing
Paid Time Off
Paid Sick Time
8 Paid Holidays
Company Paid Life and AD&D Insurance
Short-term Disability
Employee Assistance Program
Years of Service Recognition
Voluntary Life Insurance for Employees, Spouses, and Dependents
Critical Illness Plan
Accident Coverage Plan
Hospital Indemnity
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.
Experience
Required
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Equal Opportunity Employer/Protected Veterans/Individuals with Disabilities
This employer is required to notify all applicants of their rights pursuant to federal employment laws. For further information, please review the Know Your Rights (https://www.eeoc.gov/poster) notice from the Department of Labor.
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