Senior Mechanical Estimator

gpac; St. Louis (MO); On-site; USD 90,000 - 130,000; Full time

Benefits offered by this job

Profit sharing

401(k)

Health benefits

PTO

Job summary

gpac is recruiting a Senior Mechanical Estimator in St. Louis, MO to join its preconstruction team. The role focuses on estimating complex mechanical scopes including HVAC, plumbing, and process piping across commercial and industrial projects.

The position offers a path within a well-established contractor with a strong estimating team and opportunities for long-term growth in the St. Louis market.

Qualifications

• 10+ years of estimating experience in mechanical construction.
• Strong background estimating HVAC, plumbing, and process piping systems.
• Experience on labs, pharma, healthcare, breweries and industrial projects.
• Ability to read drawings, specs, P&IDs and bid documents.
• Proficiency with estimating tools Autobid/QuickPen, Bluebeam and MS Office.

Responsibilities

• Lead and prepare estimates for mechanical projects up to $20M.
• Perform detailed takeoffs for labor, materials, equipment and subcontractors.
• Review drawings, specifications and bid documents for proposals.
• Coordinate with purchasing, subcontractors, and vendors for pricing.
• Evaluate schedules, methods and site conditions to ensure pricing accuracy.
• Prepare bid packages and proposals for general contractors and owners.
• Manage multiple estimates and bid timelines.
• Collaborate with preconstruction and operations teams.

Skills

Estimating

HVAC estimation

Tools

Autobid/QuickPen

Bluebeam

MS Office

Job description

Location: St. Louis, MO

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

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

This is an excellent opportunity to join a highly respected contractor with a long history in the market, a strong estimating team, and significant opportunities for long-term growth.

Key Responsibilities

• Lead and prepare estimates for mechanical construction projects up to approximately $20M
• Perform detailed takeoffs and develop accurate cost estimates for labor, materials, equipment, and subcontractors
• Review drawings, specifications, and bid documents to develop comprehensive proposals
• Coordinate with purchasing, subcontractors, and vendors to obtain competitive pricing
• Evaluate project schedules, construction methods, and site conditions to ensure accurate pricing
• Prepare bid packages and proposals for submission to general contractors and owners
• Manage multiple estimates and bid timelines simultaneously
• Collaborate with project management and operations teams during preconstruction

Qualifications

• 10+ years of estimating experience within mechanical construction
• Strong background estimating HVAC, plumbing, and process piping systems
• Experience working on projects such as laboratories, pharmaceutical facilities, healthcare environments, breweries, and industrial projects
• Ability to interpret drawings, specifications, P&IDs, and bid documents
• Strong understanding of mechanical construction methods, materials, and pricing
• Experience managing multiple bids and deadlines
• Proficiency with estimating and construction software such as Autobid / QuickPen, Bluebeam, and Microsoft Office 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 and leadership growth

If you are a Senior Mechanical Estimator seeking an opportunity to work on complex projects with a well-established contractor, we would welcome the opportunity to connect.

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.