Senior Mechanical Estimator (HVAC & Plumbing)

Senior Mechanical Estimator

Jacksonville, FL | Hybrid Schedule | Full-Time

Join ThermaServe – A Leader in Commercial HVAC & Mechanical Services

At ThermaServe Mechanical, we specialize in commercial HVAC, plumbing, chiller, and mechanical system solutions for hospitals, data centers, industrial facilities, and mission-critical environments throughout North Florida and South Georgia.

Our customers rely on us when uptime matters most. Since joining Exigent in 2023, we’ve continued expanding our capabilities while staying committed to our core values: Customer First, Safety, Quality, Respect, and Teamwork.

We are seeking an experienced Senior Mechanical Estimator to lead estimating efforts for complex commercial and industrial mechanical projects. This is a high-impact leadership role for someone who understands both the technical and operational side of HVAC and plumbing construction.

If you have strong estimating experience, field knowledge, and the ability to build accurate, competitive project estimates, we want to hear from you.

Position Summary

The Senior Mechanical Estimator will be responsible for preparing detailed HVAC and plumbing estimates for commercial and industrial projects. This role works closely with operations, project management, vendors, subcontractors, and leadership teams to develop accurate pricing, identify project risks, and support strategic growth initiatives.

This position is ideal for a seasoned estimator who understands real-world installation practices and can confidently manage large-scale, high-visibility projects from conceptual budgeting through final proposal submission.

Key Responsibilities

• Prepare detailed HVAC and plumbing estimates for commercial and industrial projects
• Perform accurate material take-offs and quantity surveys
• Solicit, evaluate, and compare subcontractor and vendor pricing
• Develop conceptual budgets and design-build estimates
• Analyze labor requirements, production rates, and installation methods
• Identify project risks, cost exposures, and value engineering opportunities
• Prepare proposals, bid summaries, and scope review documentation
• Lead estimate review meetings with operations and executive leadership
• Review drawings, specifications, and project documents for completeness
• Support change order pricing and estimate revisions as needed
• Mentor junior estimators and contribute to estimating process improvements

Qualifications

• 7+ years of experience in mechanical estimating, HVAC estimating, plumbing estimating, or related construction estimating roles
• Strong knowledge of commercial HVAC systems, piping systems, plumbing systems, and mechanical construction practices
• Prior field experience in HVAC, piping, plumbing, or mechanical construction strongly preferred
• Experience estimating commercial, industrial, healthcare, mission-critical, or data center projects preferred
• Proficiency with estimating and takeoff software such as Trimble, AutoBid, Bluebeam, FastPIPE, FastDUCT, or similar platforms
• Experience coordinating subcontractor bid packages through platforms such as BuildingConnected preferred
• Strong understanding of labor productivity, project scheduling, and construction costs
• Excellent communication, analytical, and organizational skills
• Ability to manage multiple bids and deadlines in a fast-paced environment

Compensation & Benefits

• Competitive base salary: $100,000 – $120,000 annually
• Performance-based bonus opportunities
• Hybrid work flexibility
• Medical, dental, and vision insurance
• Paid time off and holidays
• 401(k) with company match
• Career advancement opportunities within a growing organization
• Supportive and collaborative leadership team

Why Join ThermaServe?

• Work on high-profile commercial and mission-critical mechanical projects
• Be part of a growing organization backed by Exigent Mechanical Services
• Join a company that values technical expertise, accountability, and teamwork
• Direct influence on project success and operational growth
• Opportunity to help shape estimating strategy and mentor future talent

If you are a driven mechanical estimating professional looking for a long-term opportunity with a respected commercial mechanical contractor, apply today.

ThermaServe is an Equal Opportunity Employer.

Equal Opportunity Employer/Protected Veterans/Individuals with Disabilities


This employer is required to notify all applicants of their rights pursuant to federal employment laws.
For further information, please review the Know Your Rights notice from the Department of Labor.