Senior Estimator - HVAC

Flex Staff is seeking a Senior Estimator for our client, a leading HVAC company in Nassau County.

Reporting to the VP of Construction;
The Senior Estimator is a highly experienced member of the Installation Estimating team responsible for leading complex commercial HVAC estimating activities and developing accurate, competitive, and profitable project proposals throughout the NY Tri-State area.

The Senior Estimator independently manages complex bids from initial review through final submission and serves as a technical resource to the estimating team. This position requires advanced knowledge of HVAC systems, mechanical construction, estimating methodologies, construction documents, labor requirements, material costs, and project risk.

• Lead the estimating process for complex and high-value commercial HVAC installation projects.
• Review and interpret complex mechanical drawings, specifications, schedules, architectural documents, and customer scopes.
• Perform and oversee detailed material, labor, equipment, ductwork, piping, and subcontractor takeoffs.
• Develop comprehensive estimates, budgets, assumptions, exclusions, and proposal documents.
• Analyze vendor and subcontractor quotations and negotiate pricing when appropriate.
• Identify scope gaps, inconsistencies, constructability concerns, and potential project risks.
• Develop conceptual budgets and preliminary estimates for projects with limited design information.
• Establish and maintain accurate historical cost data and estimating benchmarks.
• Coordinate with Operations, Project Management, Purchasing, and other internal departments during the estimating process.
• Participate in pre-bid meetings, site visits, customer meetings, and scope reviews as required.
• Prepare and review final bid submissions for accuracy, completeness, and profitability.
• Assist management in establishing project pricing and estimating strategies.
• Mentor and provide technical guidance to Estimator I and Estimator II employees.
• Review estimates prepared by other team members when requested.
• Develop and maintain strong relationships with customers, vendors, subcontractors, and internal personnel.
• Support post-bid reviews and assist with estimating lessons learned.
• Perform additional duties as assigned by management.
• Advanced knowledge of commercial HVAC systems and mechanical construction.
• Expert ability to read and interpret mechanical drawings, specifications, schedules, and construction documents.
• Advanced estimating, takeoff, budgeting, and pricing skills.
• Strong understanding of commercial construction practices and project execution.
• Exceptional quantitative, analytical, and critical-thinking skills.
• Advanced proficiency in Microsoft Excel, Word, Outlook, and Access.
• Ability to evaluate project profitability, risk, and scope.
• Exceptional attention to detail and accuracy.
• Strong leadership, mentoring, and decision-making abilities.
• Excellent written, verbal, and interpersonal communication skills.
• Ability to manage multiple high-priority bids and deadlines.
• Ability to work independently and exercise sound professional judgment.
• Professional, customer-focused, and solutions-oriented approach.

• High school diploma or equivalent required; technical or college education preferred.
• Minimum of 6 years of commercial HVAC or mechanical construction experience.
• Minimum of 5 years of commercial HVAC estimating experience preferred.
• Extensive experience with mechanical drawings, specifications, schedules, and construction documents.
• Demonstrated experience with detailed HVAC takeoffs and complex project estimating.