Senior Estimating Manager — Utility & Infrastructure

3 Phase Line Construction Inc.; Aurora (IL); On-site; USD 120,000 - 160,000; Full time

Job summary

MasTec is seeking an Estimating Manager to lead the estimating function for complex utility and infrastructure construction projects. You will manage the preparation of accurate, competitive cost estimates while driving best practices and continuous improvement across the estimating team.

You will work closely with operations, business development, engineering, and executive leadership to support strategic growth and successful project execution.

Qualifications

• Bachelor’s degree in CM, Engineering, Finance, or related field, or equivalent experience.
• 7+ years in construction estimating, preferably utility or heavy civil.
• 2+ years in a leadership or managerial role.
• Ability to read drawings, specifications, schedules, and contract docs.

Responsibilities

• Lead, mentor, and manage a team of estimators for detailed cost estimates and proposals.
• Oversee bids for utility infrastructure projects including transmission, distribution, gas, telecom, and underground construction.
• Review quantity takeoffs, pricing assumptions, subcontractor quotes, and risk assessments.
• Develop estimating procedures, tools, and templates to improve accuracy and efficiency.
• Collaborate with operations and project management to apply lessons learned.
• Participate in bid strategy meetings and go/no-go decisions.
• Analyze historical cost data and market trends to improve forecasting and competitiveness.
• Support value engineering and cost-reduction strategies.
• Ensure timely completion of bids in a fast-paced environment.
• Assist with post-bid handoffs and transition meetings to project teams.

Skills

Leadership

Team development

Communication

Analytical thinking

Education

Bachelor’s degree in Construction Management, Engineering, Finance, or related field

Tools

Estimating software

Spreadsheets

Takeoff tools

Job description

MasTec is seeking an Estimating Manager to lead the estimating function for complex utility and infrastructure construction projects. You will manage the preparation of accurate, competitive cost estimates while driving best practices and continuous improvement across the estimating team.

You will work closely with operations, business development, engineering, and executive leadership to support strategic growth and successful project execution.