Treatment Plant Estimator - CIG

Experience Required

5 - 20 years

Minimum Education Required

Bachelor's Degree

Compensation

$7.25 / hourly

Hours Per Week

40

Number Of Positions

1

Work Schedule and Shift Requirements

First (Day)

Job Description

Based in St. Louis, Core & Main is a leader in advancing reliable infrastructure with local service, nationwide. As a specialty distributor with a focus on water, wastewater, storm drainage and fire protection products and related services, Core & Main provides solutions to municipalities, private water companies and professional contractors across municipal, non-residential and residential end markets, nationwide. With over 370 locations across the U.S., the company provides its customers local expertise backed by a national supply chain. Core & Main's 5,700 associates are committed to helping their communities thrive with safe and reliable infrastructure. Visit coreandmain.com to learn more.

Job Summary:

The Estimator - Critical Infrastructure Group (CIG) supports the development of quantity takeoffs for critical infrastructure projects under direct guidance from senior estimating personnel. This role focuses on learning plan interpretation, material identification, and basic takeoff procedures. The estimator collaborates with the PreBid team, sales team, and other estimators to ensure accurate, timely bid support while building foundational estimating skills.

Major Tasks, Responsibilities and Key Accountabilities

Project Evaluation & Takeoff Support

Assists in reviewing construction plans and specifications to identify basic material requirements.

Performs entry-level quantity takeoffs with supervision and guidance.

Identifies standard materials and components needed for infrastructure systems.

Bid Support & Collaboration

Supports the preparation of scopes and basic bid packages.

Works with the PreBid team to confirm scope details and gather required information.

Communicate with internal team members to clarify basic project elements.

Learning & Development

Participates in training sessions to build proficiency in takeoff software, product knowledge, and plan reading.

Works closely with higher-level estimators to learn best practices, workflows, and company procedures.

Accept feedback and coaching to improve accuracy and efficiency.

Key Competencies

Strong willingness to learn and develop technical skills

Attention to detail

Basic problem-solving abilities

Effective, professional communication

Good organizational skills and ability to follow established processes

Preferred Qualifications

5 years prior experience specific to bid preparation, sales, or construction.

Bachelor's degree in a construction management or engineering discipline.

Typically requires BS/BA in a related discipline.

Generally, 5-8 years of experience in a related field; certification is required in some areas OR MS/MA and generally 3-5 years of experience in a related field.

Certification is required in some areas.

Experience

0-2 years of experience in construction, engineering, or related fields

Exposure to reading blueprints or construction documents preferred

Prior internship, training, or coursework in construction or engineering is a plus

Education

Associate degree or technical certificate preferred

Coursework in Construction Management, Engineering, or related fields beneficial

Equivalent experience considered

Core & Main is an Equal Employment Opportunity employer. Employment at Core & Main is based solely on a person's merit and qualifications directly related to professional competence. Core & Main does not discriminate against any employee or applicant on the basis of r ace, creed, color, r eligion, national origin, nationality, ancestry, age, disability, veteran status, pregnancy or related condition (including breastfeeding), affectional or s exual orientation, gender identity or expression, marital status, status with regard to public assistance, citizenship, or any other basis protected by law.

None of the questions in this application are intended to elicit information regarding any protected characteristics, nor imply any limitation, illegal preferences or discrimination based upon non-job-related information or protected characteristics.

For more information, please click here or visit

Core & Main is an Equal Employment Opportunity employer and does not discriminate in employment opportunities or practices on the basis of r ace, creed, color, r eligion, s ex, national origin, nationality, ancestry, age, disability or status as a disabled veteran or veteran of the Vietnam era, pregnancy, affectional or s exual orientation, gender identity or expression, marital status, status with regard to public assistance, veteran status, citizenship or membership in any other legally protected class. None of the questions in this application are intended to elicit information regarding any protected characteristics, nor imply any limitation, illegal preferences or discrimination based upon non-job-related information or protected characteristics. Core & Main provides reasonable accommodations for qualified individuals with disabilities in the application, offer, and during employment. If you have any difficulty using our online system due to a disability and need an accommodation you may use the following email address: View email address on click.appcast.io Please specify which position you are seeking to apply for employment, and please only use this email address for inquiries regarding accommodations. For more information, please click here for a notice that provides information concerning the laws and procedures for filing complaints of violations of the laws with the Office of Federal Contract Compliance Programs (OFCCP) AA/EOE.

Job Type

Full time

Benefits Offered

Not specified

Veteran Preference

No

Place of Work

On-site

Requisition ID

44952_20260703