Project Manager/Estimator - Structures

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 a PEOPLE-first company. Our team members are the key to our success, and we are committed to giving them the tools, training, and time to do their jobs productively and 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 MidCap 400 index.

Knife River Idaho is seeking a motivated Concrete Structures Project Manager/Estimator who is eager to grow their skills in a division that has expanded from 3 employees to over 60 in the last 15 years. This is an excellent opportunity for someone with experience in some areas of concrete or heavy civil work who wants to learn more and advance in a team‑oriented, people‑first environment.

Our structures division delivers a wide variety of general and complex concrete work, including:

- Concrete flatwork and slabs

- Cast‑in‑place boxes, vaults, and culverts

- Concrete paving using Bidwells, roller screeds, and other methods

- Structural and retaining walls

- Water/wastewater tanks and containment structures

- Heavy‑civil structural systems

- Specialty contractor‑designed solutions, including slide‑in‑place bridges

If you’re someone who likes variety, enjoys working with skilled crews, and is looking for real advancement potential, this role offers significant long‑term growth.

Responsibilities include, but are not limited to the following:

- Assist in reviewing plans, specifications, and site conditions across a broad range of concrete structure types

- Perform or support quantity takeoffs for concrete, rebar, formwork, and structural elements

- Help prepare estimates and bids for projects ranging from small concrete packages to major structural installations

- Learn to develop project sequences, formwork plans, pour strategies, and production expectations

- Collaborate with superintendents and field crews to support scheduling, material procurement, and job coordination

- Track job progress, costs, and quantities with guidance from senior project managers

- Work with owners, inspectors, and design teams to resolve field issues

- Support safe and efficient execution of all concrete operations

Minimum Qualifications:

-Bachelor’s degree in Construction Management, Civil Engineering, or equivalent experience

-Experience with public and private sector projects

-Excellent communication and leadership skills

-5+ years of experience in a PM/Estimator role in heavy highway or concrete bridge construction

-Proven experience working on DOT bridge projects

-Valid driver’s license and clean driving record required

-Strong understanding of concrete structures, job costing, scheduling, and managing field crews

-Working knowledge of Microsoft Office and construction software (HCSS preferred)

-Ability to meet deadlines and adapt to dynamic project demands

Subject to pre-employment drug testing and background checks.

How To Apply:
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.

Women, minorities, and veterans are strongly encouraged to apply.

If unable to apply online, please mail completed application to:
Knife River
5450 W Gowen Rd.

Boise, Idaho 83709