Grade Laborer - Twin Falls/Sun Valley/Ketchum

Knife River Corporation; Boise (ID); On-site; USD 34,000 - 52,000; Full time

Job summary

Knife River Corporation in Boise, Idaho seeks hard-working Laborers to support construction projects in Southern Idaho. You will clean and prepare sites, unload materials, read plans, and assist Foremen and crew on site.

Ideal candidates have 1–2 years in labor roles and are dependable with strong physical stamina; willing to train the right person. Equal opportunity employer with pre-employment checks.

Qualifications

• 1–2 years of laborer experience preferred in heavy highway work.
• Willing to train the right person.
• Ability to perform manual labor for a large portion of shift.

Responsibilities

• Assist with manual operations on heavy highway construction sites.
• Participate in demolitions.
• Work with underground utilities.
• Remove trees and debris.
• Read blueprints and designs.
• Control traffic.
• Clear and prepare highway work zones.
• Dig trenches.
• Install sewer, water, and storm drainpipes.
• Pour concrete and/or asphalt.
• Operate tools and machines.
• Perform other duties as assigned by Supervisor

Skills

Heavy construction

Physical stamina

Read blueprints

Teamwork

Job description

Job Category: Labor

Requisition Number: LABOR003228

• Posted : March 5, 2026
• Full-Time

Locations

Showing 1 location

BOISE, ID 83709, USA

Description

Role Overview:

Knife River is looking for hard working Laborers to work on projects in Southern Idaho. Responsible for cleaning and preparing construction sites. Unloads and loads materials, reads plans and specifications, tends machines and assists Foremen and other construction site workers.

Responsibilities:

• Assist with manual operations at heavy highway construction sites.
• Participate in demolitions.
• Work with underground utilities.
• Remove trees and debris.
• Read blueprints and designs.
• Control traffic.
• Clear and prepare highway work zones.
• Dig trenches.
• Install sewer, water, and storm drainpipes.
• Pour concrete and/or asphalt onto roads.
• Operate tools and machines.
• Perform other duties as assigned by Supervisor

Minimum Qualifications:

Would prefer that candidates have a minimum of 1-2 years' experience working as a laborer in the heavy highway field but we are willing to train the right person.

Successful candidates must be hard working, dependable and able to perform manual labor for approximately 90% of their work shift.

General construction laborers must have physical strength, hand-eye coordination, and endurance. Laborers must also be able to concentrate on their tasks. The ability to understand and communicate information is also essential.

Additional Information:

If unable to apply online, stop by our office at:

Knife River Corporation - Mountain Division

Knife River is an Equal Opportunity/Affirmative Action employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability or protected Veteran status. Subject to pre-employment drug testing and background check.

At Knife River, we are committed to helping our military transition to civilian life. We are constantly looking to add veterans to our workforce and want to make the transition as smooth as possible. There are many jobs within the military that are transferable to our Equipment Operator Grade Team.

Air Force:

• Pavement and Construction Equipment Journeyman
• Pavement and Construction Equipment Apprentice
• Pavement and Construction Equipment Helper

Army:

• Motor Transport Operator
• General Construction Equipment Operator
• Heavy Construction Equipment Operator
• Horizontal Construction Engineer
• Equipment Operator
• Equipment Operator Basic
• Advanced Equipment Operator
• Steelworker
• Utilitiesman
• Constructionman

Marines:

• Motor Vehicle Operator

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 notice from the Department of Labor.