Mega Projects Estimator – Water/Wastewater Treatment Plants

The Mega Projects Estimator – Water/Wastewater Treatment Plants – Critical Infrastructure Group (CIG) is responsible for developing accurate and detailed quantity takeoffs for highly complex critical infrastructure projects. This role supports both traditional bid work and design‑build delivery, contributing early‑stage material, constructability, and cost insights to guide project development. This role ensures material selections, adhere to local, state, and federal regulations as determined in the project specifications. The role collaborates closely with sales, engineering, and design teams to support winning bid strategies and deliver exceptional customer value.

Reviews and interprets construction plans, drawings, and specifications to determine project requirements.

Produces detailed and accurate material quantity takeoffs for critical infrastructure facilities and systems.

Identifies appropriate materials and specialty components required to meet project design criteria.

Participates in design‑build projects by evaluating material in early and late‑stage design.

Collaborate with contractors to identify alternative materials that maintain design intent while improving price competitiveness and delivery schedules.

Collaborate with the sales team to develop competitive bid strategies.

Assists in scope and ensures timely, accurate delivery of customer quotations.

Conduct scope meetings with contractors to confirm alignment with project needs and expectations.

Leads pre and post‑takeoff calls to ensure complete and accurate knowledge transfer.

Communicates with vendors to clarify product applications, specialty components, and material requirements.

Works closely with the internal Pre‑Bid team to establish a clear and accurate scope of work.

Maintains strong communication across internal and external stakeholders to support project success.

Works with contractors, sales and Pre-Bid team to recommend value‑engineering options for bid projects.

Communicate with design engineers and contractors to clarify unusual, complex, or specialty project elements through RFIs, email, or calls.

Coordinates and reviews the work of associate estimators and as a senior technical resource as needed.

Provides ongoing training, mentoring, and continuing education support to estimating personnel.

Exceptional attention to detail and accuracy

Strong analytical and problem‑solving skills

Clear, professional written and verbal communication

Ability to collaborate across engineering, sales, and operations

Strong organizational and prioritization skills in a fast‑paced environment

5+ years of estimation experience in water/wastewater treatment plant construction, or critical infrastructure projects

Proven experience performing detailed material quantity takeoffs from construction plan sets

Strong understanding of civil and mechanical infrastructure systems

Experience working directly with engineering teams, contractors, and vendors

Prior involvement in design‑build, value engineering, or complex bid strategies strongly preferred

Experience mentoring or reviewing the work of associate estimators is a plus

Bachelor’s degree in Construction Management, Engineering, or a related discipline preferred.

Typically requires BS/BA in 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’ experience in a related field.

Certification is required in some areas.

This information indicates the general nature and level of work performed by associates in this role. It is not designed to contain a comprehensive inventory of all duties, responsibilities, and qualifications required of associates assigned to this role. This description supersedes any previous or undated descriptions for this role. Management retains the right to add or change the duties of the position at any time.

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 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.

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