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Added 1 min ago
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Plant Engineer - Full-Time
GPAC
Knoxville, TN
- $75,000 to $135,000 USD / year
- Full-time
Project management experience in manufacturing environments
Added 1 min ago
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Plant Engineer - Full-Time
GPAC
Chattanooga, TN
- $75,000 to $135,000 USD / year
- Full-time
Project management experience in manufacturing environments
Added 1 min ago
Transportation Licensed Engineer
GPAC
Rockford, IL
Provide support and project lead for planning, design, and reporting on various transportation projects
Added 1 min ago
Senior Civil Engineer (Public Sector)
GPAC
Sacramento, CA
…team supervision, budget tracking, planning & zoning, client management, contract negotiating and employee retention. This position must be able to make decisions independently and…
Added 1 min ago
Water/Wastewater Engineer
Atlas
Plymouth Meeting, PA
We are seeking an experienced Water & Wastewater Engineer to join our Plymouth Meeting, PA team. The Water & Wastewater Engineer will lead small teams and work closely with Senior Project…
Added 1 min ago
CADD Manager/Senior Designer
Atlas
Plymouth Meeting, PA · PA
1. Create designs independently under broad direction from the Project Engineer or Project Manager.
Added 1 min ago
A
Environmental Civil Site Engineer, Land Development
Atlas
Pittsburgh, PA · PA
- $95,000 to $110,000 USD / year
Atlas is seeking a mid-level Environmental Civil Engineer (EIR Environmental Engineer 3) to support land development and site civil projects. This position is responsible for performing…
Added 1 min ago
Sr. Program Manager, Construction Engineering Inspection (CEI) TN
Atlas
Murfreesboro, TN
…responsibility, and we create a better experience at every stage of a…
Added 1 min ago
Sr Highway Design Engineer/Project Manager
Atlas
Duluth, GA
We are seeking a Sr Highway Design Engineer/Project Manager (Roadway Engineer 3) to join our Georgia team! Come join us!
Added 1 min ago
Senior Bridge Hydraulics & Water Resources Engineer (PE)
Atlas
Duluth, GA
Support bridge, roadway, and transportation design teams during project development.
Added 1 min ago
Senior Transportation Electrical Engineer - Roadway Lighting
Atlas
Chicago, IL · Duluth, GA
…responsibility, and we create a better experience at every stage of a…
Added 1 min ago
Roadway Engineer 2
Atlas
Duluth, GA
The Roadway Engineer II supports the planning, design, and delivery of transportation infrastructure projects throughout Georgia, contributing to roadway, drainage, grading, and site…
Added 1 min ago
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Senior Transportation Project Manager (Roadway Design & Client Development)
Atlas
Chicago, IL
- $275,000 USD / year
Atlas is seeking an experienced Senior Transportation Project Manager (Roadway Design & Client Development) to lead high-profile roadway and transportation infrastructure projects…
Added 1 min ago
A
Traffic Engineer 2
Atlas
Chicago, IL
- $89,898 USD / year
Bachelor’s degree in Civil Engineering, Project Management, Transportation Planning, Construction, or Aviation Operations Management
Added 1 min ago
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Senior Geotechnical Engineer
Atlas
Burlington, NJ · Philadelphia, PA · Cherry Hill, NJ · Mount Laurel, NJ · Maple Shade, NJ
- $140,000 to $175,000 USD / year
8+ years of progressive geotechnical consulting experience, including project management and report sealing
Added 1 min ago
A
Regional Infrastructure Market Director - Geotechnical, Environmental & Construction Engineering Services
Atlas
Burlington, NJ · Philadelphia, PA · Maple Shade, NJ · Cherry Hill, NJ · Mount Laurel, NJ
- $175,000 to $250,000 USD / year
…responsibility, and we create a better experience at every stage of a…
Added 1 min ago
Roadway Engineer 1
Atlas
Sandersville, GA · Sparta, GA · Milledgeville, GA · Wrightsville, GA · Wrens, GA · Louisville, GA · Dublin, GA · Macon, GA · Augusta, GA · Madison, GA
Develops basic Roadway Engineering design components for assigned client projects based on the client's needs as they relate to the planning, execution, and delivery of transportation plans…
Added 1 min ago
A
Electrical Inspector (CM Engineer 2)
Atlas
Portland, OR · Boise, ID · Seattle, WA
- $50 to $60 USD / hour
You will work with project managers, contractors, design professionals, and other project partners to identify concerns, document findings, and help resolve issues before they affect…
Added 1 min ago
A
Resident Engineer
Atlas
Rancho Cordova, CA
- $200,000 to $208,000 USD / year
Join our team at Atlas as a Resident Engineer and help deliver essential infrastructure projects that directly impact the communities we serve. We’re looking for a highly motivated,…
Added 2 mins ago
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Manufacturing Tooling Engineer
GPAC
Tennessee
- $75,000 to $105,000 USD / year
The Manufacturing Tooling Engineer is responsible for the design, development, implementation, and continuous improvement of tooling, fixtures, and manufacturing processes. This role plays…
Added 2 mins ago
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Manufacturing Tooling Engineer
GPAC
East Liverpool, OH
- $75,000 to $105,000 USD / year
The Manufacturing Tooling Engineer is responsible for the design, development, implementation, and continuous improvement of tooling, fixtures, and manufacturing processes. This role plays…
Added 2 mins ago
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Manufacturing Tooling Engineer
GPAC
Avon Lake, OH
- $75,000 to $105,000 USD / year
The Manufacturing Tooling Engineer is responsible for the design, development, implementation, and continuous improvement of tooling, fixtures, and manufacturing processes. This role plays…
Added 2 mins ago
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Manufacturing Tooling Engineer
GPAC
Canton, OH
- $75,000 to $105,000 USD / year
The Manufacturing Tooling Engineer is responsible for the design, development, implementation, and continuous improvement of tooling, fixtures, and manufacturing processes. This role plays…
Added 6 mins ago
Senior Civil Engineer -- Energy & Industrial Group
Sargent & Lundy
Clayton, MO
+ Five or more years of working in a project team environment in the design of industrial projects, power plant experience preferred, with specific experience in site grading and mass…
Added 7 mins ago
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Senior Preconstruction Manager - Mechanical Construction
GPAC
Saint Louis, MO
- $130,000 to $180,000 USD / year
Lead preconstruction activities from initial project pursuit through budgeting, design development, pricing, and project turnover.

GPAC

Preconstruction Manager - Mechanical Construction

Saint Louis, MO, United States

$105,000 to $135,000 USD / year

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Job details

Pay: $105,000 to $135,000 USD / year
Apply by: Jan 25, 2027
Experience: 3+ years of experience in mechanical construction estimating, preconstruction, project development, or related roles
Posting language: English
Posted: Oct 27, 2026

Original job description

Preconstruction Manager – Mechanical Construction

Location: St. Louis, MO | Full-Time Industry: Commercial Mechanical Construction | HVAC | Plumbing | Piping

JOB DESCRIPTION

Are you a mechanical estimator or preconstruction professional looking to take on more responsibility in project development? A well-established mechanical contractor in the St. Louis area is seeking a Preconstruction Manager to help develop budgets, pursue negotiated work, and guide mechanical projects from initial concept through construction handoff.

This role works closely with estimating, engineering, project management, and field operations teams on design-build and design-assist projects. You'll also have the opportunity to work directly with owners, architects, engineers, and general contractors to develop practical mechanical solutions.

What We Offer:

• Competitive base salary based on experience

• Annual bonus opportunities

• 401(k) with profit sharing

• Medical, dental, vision, and life insurance

• Wellness programs

• Generous paid time off

• Professional development and advancement opportunities

• Collaborative environment with experienced mechanical construction professionals

• Stable company with an established presence in the St. Louis market

Key Responsibilities:

• Develop conceptual budgets and detailed estimates for HVAC, plumbing, process piping, and sheet metal systems

• Support mechanical project pursuits, negotiated work, and design-build/design-assist opportunities

• Review drawings, specifications, and project requirements to develop accurate pricing and scopes of work

• Collaborate with owners, architects, engineers, and general contractors on mechanical design and budgeting

• Identify value engineering opportunities, constructability improvements, and potential project risks

• Coordinate with vendors and subcontractors for equipment selections, pricing, and technical information

• Work alongside estimating teams to develop proposals and finalize project pricing

• Participate in client meetings, project presentations, and preconstruction discussions

• Coordinate mechanical design development with engineering and construction teams

• Assist with project turnover to operations, ensuring budgets, schedules, assumptions, and scope requirements are clearly communicated

• Support project managers throughout construction as needed

• Help improve preconstruction processes, estimating practices, and project coordination

Qualifications:

• 3+ years of experience in mechanical construction estimating, preconstruction, project development, or related roles

• Strong understanding of commercial HVAC, plumbing, piping, and sheet metal systems

• Experience with design-build or design-assist project delivery

• Ability to interpret mechanical drawings, specifications, and construction documents

• Experience preparing estimates, budgets, and mechanical scopes of work

• Familiarity with mechanical equipment, materials, labor costs, and construction methods

• Proficiency in estimating software and Microsoft Office

• Strong communication, organization, and problem-solving skills

• Comfortable collaborating with clients, engineers, contractors, and internal project teams

• Bachelor's degree in Mechanical Engineering, Construction Management, or a related field, or equivalent industry experience

Preferred Qualifications:

• Experience developing conceptual estimates from early-stage designs

• Previous involvement in negotiated mechanical construction projects

• Knowledge of building automation, energy management, commissioning, or value engineering

• PE license or LEED accreditation

Work Arrangement:

Full-time position based in the St. Louis area.

Related Titles: Preconstruction Manager, Mechanical Preconstruction Manager, HVAC Estimator, Mechanical Estimator, Senior Mechanical Estimator, Preconstruction Estimator, Estimating Manager, HVAC Preconstruction Manager, Mechanical Project Manager, Design Build Estimator, Mechanical Project Development Manager, HVAC Project Engineer

Interested? Send your resume to anna.boyd@gogpac.com for more information on this or any other positions you may be interested in.

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