Mechanical Estimator

Job Description

Mechanical Estimator

Location: St. Louis, MO

Industry: Mechanical Construction (HVAC, Plumbing, Process Piping)


A well-established mechanical contractor in the St. Louis market is seeking an Estimator to join its preconstruction team. This role will focus on estimating mechanical scopes including HVAC, plumbing, and process piping across a variety of commercial and industrial projects.


This is a great opportunity to join a respected contractor with a strong reputation in the region, a collaborative estimating team, and opportunities for long-term growth.

Key Responsibilities

• Prepare estimates for mechanical construction projects up to approximately $1M
• Perform quantity takeoffs and develop accurate cost estimates for labor, materials, equipment, and subcontractors
• Review drawings, specifications, and bid documents to develop competitive proposals
• Solicit and evaluate pricing from subcontractors and vendors
• Understand project schedules, construction methods, and site conditions to support accurate pricing
• Compile detailed bid packages and assist in preparing proposals for submission
• Manage multiple estimates and bid timelines simultaneously
• Collaborate with senior estimators, project management, and operations teams during preconstruction

Qualifications

• 1-5+ years of estimating experience within mechanical construction
• Experience estimating HVAC, plumbing, or process piping systems
• Exposure to projects such as laboratories, pharmaceutical facilities, healthcare environments, breweries, and industrial projects is preferred
• Ability to read and interpret drawings, specifications, and bid documents
• Strong understanding of mechanical construction materials and installation methods
• Strong communication and organizational skills
• Experience with estimating software such as Autobid / QuickPen and Bluebeam preferred

What the Company Offers

• Competitive compensation
• Profit sharing and 401(k)
• Comprehensive health and wellness benefits
• Strong PTO program
• Collaborative team environment
• Long-term stability with a respected contractor
• Opportunity for career advancement within the estimating and preconstruction team


If you are an Estimator with mechanical construction experience looking to grow your career with a well-established contractor, we would welcome the opportunity to connect.

How to Apply

Qualified candidates are encouraged to apply or reach out directly for a confidential conversation.


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All qualified applicants will receive consideration without regard to race, age, color, sex (including pregnancy), religion, national origin, disability, sexual orientation, gender identity, marital status, military status, genetic information, or any other status protected by applicable laws or regulations. GPAC (Growing People and Companies) is an award-winning search firm specializing in placing quality professionals within multiple industries across the United States since 1990. We are extremely competitive, client-focused and realize that our value is in our ability to deliver the right solutions at the right time.