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Executive Admin Assistant

Core & Main
United States, Missouri, St. Louis
Apr 07, 2026

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

Responsible for providing advanced, diversified, and confidential clerical and administrative support for direct reports to the CEO of Core & Main or LOB Presidents.

Major Tasks, Responsibilities and Key Accountabilities

  • Serves as department knowledge center - assists with resolution of customer-related problems or issues, screens all internal/external calls appropriately and provides information and answers to questions regarding department/company policies and procedures.
  • Prepares documents, memos, general correspondence, reports, and other materials including PowerPoint presentations. Initiates routine and some non-routine correspondence.
  • Ensures travel requests, expense reports, and other travel documentation are accurate and complete.
  • Collaborates and partners with peers in businesses/functions as well as Executive Admin/CEO.
  • Schedules meetings, team meetings and events (internal and external). Maintains up-to-date calendar.
  • Maintains and orders department office supplies. Processes invoices for payment.
  • Coordinates candidate interview process (e.g. scheduling, communication, etc.).
  • May manage independent projects making decisions and acting as a key contributor.

Preferred Qualifications

  • 3-5 years related high level administrative/ clerical experience.
  • Prior experience supporting multiple executives

Career Level Dimensions

Typical Training/Experience

  • Typically requires BS/BA in a related discipline.
  • Generally 2-5 years of experience in a related field; certification is required in some areas OR MS/MA and generally 2-4 years of experience in a related field.
  • Certification is required in some areas.

Problem Complexity

  • Demonstrates skill in data analysis techniques by resolving missing/incomplete information and inconsistencies/anomalies in more complex research/data.

Autonomy

  • Nature of work requires increasing independence; receives guidance only on unusual, complex problems or issues.
  • Work review typically involves periodic review of output by a supervisor and/or direct "customers" of the process.

Leadership

  • May provide general guidance/direction to or train junior level support personnel or professional personnel.

Environmental Job Requirements

  • Located in a comfortable indoor area. Any unpleasant conditions would be infrequent and not objectionable.
  • Typically requires overnight travel less than 10% of the time.
  • Frequent periods are spent standing or sitting in the same location with some opportunity to move about.
  • Occasionally there may be a requirement to stoop or lift light material or equipment (typically less than 8 pounds).

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.

For more information, please click here or visit https://www.eeoc.gov

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