Senior Estimator – Lead on Large-Scale Construction Projects

Mortenson; Portland (OR); On-site; USD 109,300 - 164,000; Full time

Job summary

Mortenson is seeking an experienced Estimator III to lead and coordinate the final preparation of full estimates on large and complex construction projects. You will interact with staff at all levels in a dynamic environment, remaining flexible, resourceful, and proactive while maintaining high professionalism and confidentiality.

The role requires strong organization, BIM and estimating software proficiency, and the ability to manage multiple projects with travel up to 20% to support Portland

Qualifications

• Associate or bachelor's degree in Estimating, Civil or Electrical Engineering, Construction Management, or equivalent field experience.
• Minimum six years construction industry experience.
• Able to lead multiple projects simultaneously.
• Proficient in using BIM, plans, and other project documents to quantify work.
• Ability to travel up to 20% of the time.

Responsibilities

• Organize, plan, and schedule estimate preparation.
• Facilitate necessary meetings (kick‑off, status updates, plan flips, final reviews).
• Assign and adjust work to ensure complete and reliable estimates.
• Incorporate all relevant information (contract documents, design team and owner input, tax laws, permits).
• Determine trade partner strategy and prepare invitations to bid/budget.
• Obtain and review all relevant documents, including BIM.
• Promote collaboration for comprehensive scope and budget alignment.
• Ensure completion of changes from estimate reviews.
• Complete quantity surveys of materials/resources.
• Fill gaps in early design documents using project knowledge.

Skills

Estimating

Project management

BIM

Team leadership

Cost history software

Education

Relevant degree (Estimating/Civil/Electrical Eng; Construction Mgmt)

Tools

BIM

Estimating software

Plans

Job description

Mortenson is seeking an experienced Estimator III to lead and coordinate the final preparation of full estimates on large and complex construction projects. You will interact with staff at all levels in a dynamic environment, remaining flexible, resourceful, and proactive while maintaining high professionalism and confidentiality.

The role requires strong organization, BIM and estimating software proficiency, and the ability to manage multiple projects with travel up to 20% to support Portland