Senior Cost Estimator / Cost Engineer – Seattle, WA*

cmtsllc· Washington
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📍 Seattle, Washington, United StatesFull Time💰 USD 63–75

About this role

Senior Cost Estimator / Cost Engineer – Seattle, WA

Full-Time | On-Site | Seattle, WA


Why Join Our Team

Join a team supporting critical municipal infrastructure projects that serve communities throughout the Pacific Northwest. As a Senior Cost Estimator / Cost Engineer, you will provide cost estimating expertise across all phases of project development, helping ensure informed decision-making from conceptual planning through construction. Working closely with project teams, engineers, and owners, you will deliver reliable cost estimates, evaluate project costs, and support successful delivery of complex water, wastewater, drainage, and facility projects.


About Your Role

The Senior Cost Estimator / Cost Engineer is responsible for delivering cost estimates from AACE Class 5 conceptual estimates through Class 1 bid-level estimates across water, wastewater, drainage, and facility projects. This role supports options analysis, design development, and construction-phase cost management under an on-call task order model while providing cost engineering expertise throughout the project lifecycle.


Education Requirements

  • High school diploma or equivalent required.


What You'll Need to Get the Job Done

  • Minimum of ten (10) years of estimating or cost engineering experience supporting public infrastructure, heavy civil, or utility facilities.
  • Command of the AACE estimate classification framework and basis of estimate documentation.
  • Experience with change order pricing and construction-phase cost analysis.


Preferred Qualifications

  • AACE Certified Cost Professional (CCP) or Certified Estimating Professional (CEP) certification.
  • Experience estimating water mains, conveyance systems, pump stations, tanks, or treatment facilities.
  • Familiarity with risk-based contingency methods and escalation forecasting.


What You'll Do

  • Deliver cost estimates from AACE Class 5 conceptual estimates through Class 1 bid-level estimates for water, wastewater, drainage, and facility projects.
  • Prepare planning and options analysis estimates (AACE Class 5 and Class 4) using parametric and analogous estimating methods with documented basis of estimate.
  • Develop design-phase estimates (AACE Class 3 through Class 1) and reconcile estimates against engineer and contractor estimates.
  • Support benefit-cost analyses and lifecycle cost inputs for business cases and alternatives evaluations.
  • Price and evaluate change orders and support negotiations through independent cost analyses.
  • Perform bid evaluations and conduct market and escalation analyses for Puget Sound construction conditions.
  • Maintain estimate databases, unit cost libraries, and historical cost benchmarking information.
  • Present estimate findings to owner project teams and support development of risk-based contingency recommendations.


What You Can Expect

  • Opportunity to support complex municipal infrastructure projects serving local communities.
  • Collaborative team environment focused on quality project delivery.
  • Exposure to large-scale water, wastewater, drainage, and facility capital improvement projects.
  • Professional growth and career development opportunities.
  • A culture focused on collaboration, technical excellence, cost management, and continuous improvement.


Pay Rate

  • $62.50–$75.00 per hour


Bonus Opportunity

Employees may be eligible for discretionary bonus opportunities based on individual performance, utilization, attendance, tenure, and the achievement of company goals.


Benefits

CMTS offers a comprehensive benefits package including 100% company-paid medical, dental, vision, life insurance, long-term disability coverage, 401(k), paid time off, professional development opportunities, and career advancement pathways.


Apply Now!

www.cmtsllc.com/careers


Equal Employment Opportunity

CMTS, LLC is an Equal Opportunity Employer and considers all applicants for employment without regard to race, color, religion, sex, national origin, age, disability, veteran status, sexual orientation, gender identity, or any other status protected under applicable federal, state, or local laws.

Frequently Asked Questions

What is the salary for the Senior Cost Estimator / Cost Engineer – Seattle, WA* role at cmtsllc?
The listed salary for this Senior Cost Estimator / Cost Engineer – Seattle, WA* position at cmtsllc is USD 63–75. This is an Full Time role.
Where is the Senior Cost Estimator / Cost Engineer – Seattle, WA* position at cmtsllc located?
This Senior Cost Estimator / Cost Engineer – Seattle, WA* role at cmtsllc is based in Seattle, Washington, United States. The position is listed as on-site or hybrid. Check the full job description or apply directly to confirm the work arrangement.
Is the Senior Cost Estimator / Cost Engineer – Seattle, WA* role at cmtsllc full-time or part-time?
This is listed as a Full Time position. It is posted as a Senior Cost Estimator / Cost Engineer – Seattle, WA* role in the Washington department at cmtsllc.
Which team or department does the Senior Cost Estimator / Cost Engineer – Seattle, WA* at cmtsllc belong to?
This Senior Cost Estimator / Cost Engineer – Seattle, WA* position is part of the Washington department at cmtsllc. See the full job description for more information about the team structure and responsibilities.
How do I apply for the Senior Cost Estimator / Cost Engineer – Seattle, WA* position at cmtsllc?
Click the "Apply Now" button on this page. You will be redirected to cmtsllc's official application portal hosted on bamboohr where you can submit your application directly.
When was the Senior Cost Estimator / Cost Engineer – Seattle, WA* job at cmtsllc posted?
This Senior Cost Estimator / Cost Engineer – Seattle, WA* position at cmtsllc was posted on Aug 5, 2026. Apply as soon as possible — early applications are often reviewed first.
Senior Cost Estimator / Cost Engineer – Seattle, WA*
cmtsllc · 💰 USD 63–75
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