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Plant Engineer - Full-Time
GPAC
Knoxville, TN
- $75,000 to $135,000 USD / year
- Full-time
We are seeking a proactive Plant Engineer to oversee and optimize the engineering operations of our manufacturing facility. This role is responsible for maintaining plant equipment,…
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Plant Engineer - Full-Time
GPAC
Chattanooga, TN
- $75,000 to $135,000 USD / year
- Full-time
We are seeking a proactive Plant Engineer to oversee and optimize the engineering operations of our manufacturing facility. This role is responsible for maintaining plant equipment,…
Added just now
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Geotechnical Engineer
GPAC
Columbus, OH
- $90,000 to $130,000 USD / year
…retirement plan with matching and profit sharing. As a Geotechnical Engineer, expect to plan, organize, and execute a variety of projects across both private and public sectors. This…
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Transportation Licensed Engineer
GPAC
Rockford, IL
…clients. They are expanding their team and looking for a Senior Project Manager for their Transportation Department. What they have for…
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Senior Civil Engineer (Public Sector)
GPAC
Sacramento, CA
Manage and collaborate with all office personnel, including professional engineers, project managers, designers/drafters, surveyors and support personnel
Added just now
Structural Engineer
GPAC
Portland, OR
…retirement plan with matching and profit sharing. As a structural Engineer, expect to plan, organize, and execute a variety of projects across both private and public sectors. This position…
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Civil Engineer (Professional Engineer)
GPAC
Santa Clarita, CA
- $90,000 to $130,000 USD / year
A well-established, growing engineering firm, with a location in the area, is looking for a Professional Civil Engineer. They work hard to ensure projects are planned, designed, and managed…
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Structural Engineer
GPAC
Sacramento, CA
…retirement plan with matching and profit sharing. As a structural Engineer, expect to plan, organize, and execute a variety of projects across both private and public sectors. This position…
Added 1 min ago
Bridge Design Engineer
Atlas
Birmingham, AL
Atlas is a nationwide leader in civil engineering, materials testing and geotechnical consulting services for environmental, industrial and infrastructure construction projects.…
Added 1 min ago
Project Engineer - ENG Civil/Site Engineer 1
Atlas
Clarks Summit, PA · PA
Atlas is a nationwide leader in civil engineering, materials testing and geotechnical consulting services for environmental, industrial and infrastructure construction projects.…
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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
Traffic Engineer
Atlas
Duluth, GA
…responsibility, and we create a better experience at every stage of a…
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CADD Manager/Senior Designer
Atlas
Plymouth Meeting, PA · PA
Atlas is a nationwide leader in civil engineering, materials testing and geotechnical consulting services for environmental, industrial and infrastructure construction projects.…
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Geotechnical Staff Engineer, Forest Park, GA
Atlas
Duluth, GA · Forest Park, GA
…flourish and thrive, and we are seeking a Geotechnical Staff Engineer to join our Georgia team. The successful candidate should be a Registered Engineer-In-Training. You’ll Oversee…
Added 1 min ago
CEI Level 1 Inspector (Asphalt, Concrete, Pavement)
Atlas
Birmingham, AL
…responsibility, and we create a better experience at every stage of a…
Added 1 min ago
CEI Level 2 Civil Construction Inspector
Atlas
Birmingham, AL
Atlas is a nationwide leader in civil engineering, materials testing and geotechnical consulting services for environmental, industrial and infrastructure construction projects.…
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Principal Geotechnical Engineer
Atlas
San Diego, CA · Riverside, CA · Sacramento, CA · Rancho Cordova, CA · Oakland, CA · San Ramon, CA · Santa Clara, CA · San Jose, CA · Roseville, CA · Whittier, CA
- $150,000 to $225,000 USD / year
Atlas is seeking a Principal Geotechnical Engineer to lead and support a wide range of infrastructure and facilities projects across the public and private sectors. This role will be…
Added 1 min ago
Sr. Geotechnical Engineer
Atlas
Roswell, GA
Atlas is hiring a Senior Geotechnical Engineer 4 to join our team in Roswell, GA. In this role, you’ll lead geotechnical projects from planning through delivery, serving as a trusted…
Added 1 min ago
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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
We are seeking a Senior Program Manager in Tennessee to lead our Construction Engineering Inspection (CEI) team. This Tennessee CEI Lead will be responsible for providing overall field…
Added 1 min ago
Traveling CMT Technician / ICC Inspector
Atlas
NM
Relays information to project manager and/or engineer, with limited in-field decision making.
Added 1 min ago
Traveling CMT Technician / ICC Inspector
Atlas
AZ
Relays information to project manager and/or engineer, with limited in-field decision making.
Added 1 min ago
Traveling CMT Technician / ICC Inspector
Atlas
OK
Relays information to project manager and/or engineer, with limited in-field decision making.
Added 1 min ago
CMT Project Manager/ Engineer
Atlas
El Paso, TX
At Atlas, we're providing services that enable communities to flourish and thrive, and if you’re a CMT Project Manager/ Engineer committed to doing meaningful work, then this is your…
Added 1 min ago
Geotechnical Drill Assistant
Atlas
Indianapolis, IN
…responsibility, and we create a better experience at every stage of a…

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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