Senior Cost Estimator / Cost Engineer – Seattle, WA*

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.

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.

Requirements

• High school diploma or equivalent required.
• 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.

Responsibilities

• 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.

Benefits

CMTS offers a comprehensive benefits package including:

• 100% company-paid medical, dental, vision, life insurance, and long-term disability coverage.
• 401(k) retirement plan.
• Paid time off.
• Professional development opportunities and career advancement pathways.

Pay

$62.50–$75.00 per hour

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

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.