Treatment Plant Estimator II

Core-; North Carolina; On-site; USD 80,000 - 120,000; Full time

Job summary

Core & Main, based in St. Louis and serving nationwide, seeks an Estimator II for the Critical Infrastructure Group. You will perform detailed material quantity takeoffs for infrastructure projects with moderate complexity and support bid efforts.

You will collaborate with sales, Pre‑Bid, and engineering to develop accurate scopes and competitive proposals, and mentor junior estimators while improving plan-reading and product knowledge.

Qualifications

• Experience in detailed material takeoffs for infrastructure projects.
• Strong ability to interpret drawings and specifications.
• Vendor coordination and bid support experience preferable.
• Mentoring junior staff is a plus.

Responsibilities

• Perform independent material quantity takeoffs for standard/moderately complex projects.
• Interpret drawings, specs, and notes to determine material requirements.
• Prepare scopes and material lists for sales and customers; support pre/post takeoff discussions.
• Coordinate with vendors and Pre‑Bid team to maintain accurate scope definitions.
• Mentor Estimator I personnel and advance plan-reading and takeoff accuracy.

Skills

Takeoff development

Plan reading

Bid support

Communication

Time management

Education

Associate or Bachelor degree in Construction/Engineering

Tools

CAD drawings

MS Excel

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 II – Critical Infrastructure Group (CIG) is responsible for performing detailed material quantity takeoffs and supporting bid efforts for a variety of infrastructure projects with moderate complexity. This role works more independently than Estimator I, applying developing technical knowledge of materials, construction methods, and project specifications. Estimator II collaborates with sales, Pre‑Bid, and engineering teams to help ensure accurate scope development and competitive bid proposals.Major Tasks, Responsibilities and Key AccountabilitiesMajor Tasks, Responsibilities, and Key AccountabilitiesProject Evaluation & Takeoff DevelopmentIndependently performs material quantity takeoffs for standard and moderately complex projects.Interprets construction drawings, specifications, and notes to determine accurate material requirements.Identifies specialty materials with some guidance.Bid Strategy & Sales SupportPrepares scopes and provides material lists for sales and customers with increasing independence.Participates in pre‑takeoff and post‑takeoff discussions to support knowledge transfer.Works with contractors and sales teams to clarify scope, project needs, and standard value‑engineering opportunities.Vendor & Internal CollaborationCommunicates with vendors to obtain basic product information, lead times, or material guidance.Coordinates with the Pre‑Bid team to maintain accurate scope definitions.Technical DevelopmentContinues to improve plan-reading, takeoff accuracy, and product knowledge.Begins mentoring Estimator I personnel by answering questions and reviewing simple takeoffs.Key CompetenciesGrowing technical expertise in infrastructure materialsSolid analytical skillsEffective communication with internal and external partnersAbility to manage multiple tasks and deadlinesIncreasing confidence in takeoff responsibilitiesPreferred Qualifications5+ years of estimation experience in water/wastewater treatment plant construction, or critical infrastructure projectsProven experience performing detailed material quantity takeoffs from construction plan setsStrong understanding of civil and mechanical infrastructure systemsExperience2–4 years of estimation experience or related industry backgroundDemonstrated ability to perform accurate takeoffs from plan setsExperience engaging with contractors or vendors preferredEducationAssociate degree or Bachelor’s degree preferredConstruction Management, Engineering, or related disciplineEquivalent industry experience consideredCore & 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 race, creed, color, religion, national origin, nationality, ancestry, age, disability, veteran status, pregnancy or related condition (including breastfeeding), affectional or sexual 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 visit https://www.eeoc.gov