Mechanical Estimator

Job Title: Mechanical Estimator

Company: Loenbro, LLC

Business Unit/Department: Loenbro Southeast

Location: Franklin, TN, Atlanta, GA, Charlotte, NC, Columbia, SC, Richmond, VA, Jackson, MS, Jacksonville, FL, Orlando, FL, Louisville, KY, Knoxville, TN, Birmingham, AL, Memphis, TN

Reports to: Chief Estimator

Employment Type: Full-Time

FLSA Classification: Exempt

About Loenbro

Loenbro is a trusted, long-term construction lifecycle partner to thousands of customers across the U.S. Our market spans all industries, and our service offerings include Critical Electrical, Mechanical & Structural, Soft Crafts, Inspection, Underground Maintenance and Installation, and Fabrication. Our expertise lies in simplifying the complex and establishing long-standing relationships with our partners. We have a national presence but a local approach—every customer benefits from our capabilities and our care.

At Loenbro, we don’t just offer jobs—we build careers grounded in integrity, teamwork, excellence, and purpose. Join a team where your expertise is valued, your growth is supported, and your work helps maintain and enhance the critical infrastructure that powers communities across the nation.

The Commercial Mechanical Estimator is responsible for preparing accurate and competitive cost estimates for commercial mechanical construction projects, including HVAC, plumbing, piping, sheet metal, and mechanical systems. This role analyzes project plans, specifications, labor requirements, materials, equipment, subcontractor pricing, and project schedules to develop comprehensive bid proposals. The estimator works closely with project managers, operations personnel, vendors, subcontractors, engineers, and clients throughout the preconstruction and bidding process.

Essential Duties and Responsibilities

• Review project plans, specifications, contracts, and bid documents.
• Perform detailed quantity takeoffs for HVAC, plumbing, piping, and other mechanical systems.
• Develop complete labor, material, equipment, and subcontractor cost estimates.
• Solicit and evaluate vendor and subcontractor quotations.
• Prepare bid proposals, budgets, conceptual estimates, and change order pricing.
• Attend pre-bid meetings, job walks, and project site visits.
• Analyze project risks, constructability issues, and scope gaps.
• Coordinate with project managers and operations teams during project handoff.
• Develop and maintain estimating databases, labor units, and cost histories.
• Collaborate with engineering, procurement, and field teams to ensure estimate accuracy.
• Evaluate value engineering opportunities and alternative design solutions.
• Support contract negotiations and proposal presentations.
• Monitor bid results and maintain relationships with clients, vendors, and subcontractors.
• Ensure compliance with project specifications, applicable codes, and industry standards.

Qualifications

Required

• High school diploma or GED.
• 3+ years of commercial mechanical estimating experience.
• Strong understanding of HVAC, plumbing, piping, and mechanical construction practices.
• Ability to read and interpret construction drawings, specifications, and contract documents.
• Proficiency with Microsoft Office Suite.
• Strong mathematical, analytical, and organizational skills.
• Excellent written and verbal communication abilities.

Preferred

• Associate's or Bachelor's degree in Construction Management, Engineering, or related field.
• Experience with estimating software such as Trimble, FastEST, QuoteSoft, AutoBid Mechanical, Bluebeam, or equivalent platforms.
• Commercial field experience in mechanical construction.
• Knowledge of BIM and mechanical coordination processes.
• Experience estimating healthcare, industrial, educational, manufacturing, data center, or large commercial projects.

Knowledge, Skills, and Abilities

• Thorough knowledge of mechanical systems, equipment, and installation methods.
• Understanding of labor productivity, material pricing, and construction scheduling.
• Strong negotiation and vendor management skills.
• Ability to manage multiple estimates simultaneously and meet strict deadlines.
• Strong attention to detail and commitment to accuracy.
• Ability to work independently and collaboratively within a team environment.
• Knowledge of applicable mechanical codes, standards, and safety requirements.
• Proficiency in cost analysis, budgeting, and bid strategy development.

Physical Requirements

• Prolonged periods of sitting and computer work.
• Ability to travel to project sites, customer locations, and pre-bid meetings.
• Ability to walk active construction sites and perform field assessments.

Working Conditions

• Primarily office-based with occasional field visits.
• Frequent interaction with clients, vendors, subcontractors, engineers, and project teams.
• May require overtime to meet project deadlines and bid submission schedules.

This role requires compliance with all applicable safety regulations, personal protective equipment (PPE) requirements, and Loenbro's Environmental Health and Safety (EH&S) policies.

Benefits

Loenbro offers a competitive salary, comprehensive benefits package, and rewards to those who join our team:

• Medical, dental, and vision insurance.
• 401(k) retirement plan with company match.
• Paid time off (PTO).
• Life and disability insurance.
• Professional development and training opportunities.
• Employee assistance program (EAP).

Benefits eligibility may vary based on employment classification and hours worked.

Guided by Core Values (LEAD), grounded in grit and a commitment to excellence, Loenbro betters our families, customers, and local communities. If you are ready to be part of a company that LEADS by:

• Living with Integrity
• Exceeding Expectations
• Acting with Urgency
• Delivering Excellence

…we want to hear from you.