Outside Sales Representative

Job Summary

Location:

St. Louis, Missouri. Core & Main is a leader in reliable infrastructure, focusing on water, wastewater, storm drainage, and fire protection products. This role focuses on supporting large-scale water, wastewater, and critical infrastructure projects specializing in treatment plant. The Outside Sales Representative builds and maintains strong relationships with municipalities, engineers and contractors engaged in major civil and mechanical infrastructure work. This position requires significant field engagement, technical aptitude, and the ability to manage complex project scopes from pre‑bid design through delivery.

• Manage project workloads for treatment plant and critical infrastructure projects.
• Present customer‑provided material lists and complete bill‑of‑material packages.
• Coordinate multi‑stage shipments to align with construction schedules utilizing the project management team.
• Ensure accuracy, timeliness, and execution throughout each project lifecycle.
• Apply strong knowledge of water, wastewater, and civil/mechanical processes.
• Support customers with product recommendations, technical clarifications, and system‑level solutions.
• Maintain expertise in core product categories:
  • PVF (pipe, valves, fittings)
  • HDPE and fusion equipment
  • Operators, actuators, and related plant components
• Partner with internal quotation, estimating and pre‑bid manager teams on:
  • Plant‑specific scopes
  • Detailed infrastructure material takeoffs
  • Design‑build support packages
• Ensure customers receive accurate, comprehensive, and timely proposals.
• Identify new opportunities across water, wastewater, and municipal ecosystems.
• Develop relationships with engineering firms, public agencies, and major developers.
• Attend industry events, associations, and trade shows to expand presence and pipeline.
• Conduct market research to identify growth opportunities within the region.
• Serve as the primary point of contact for plant‑related and infrastructure accounts.
• Maintain deep, consultative relationships that drive long‑term loyalty.
• Act as a trusted resource for technical guidance, product sourcing, and project planning.

• 3+ years of industry‑related outside sales experience (waterworks, civil, mechanical, or distribution).
• Experience supporting large infrastructure or plant environments (water/wastewater treatment and industrial civil projects).
• Strong technical aptitude: engineering background (especially civil) is a plus.
• Ability to read and interpret plans, specs, material lists, and engineered designs.
• Demonstrated ability to manage complex scopes and multi‑phase projects.
• Seeking someone with a strong determination to be a successful outside sales representative.

• Salary and commission
• Medical with 100% preventative care coverage
• Health Savings Account
• Dental and Vision
• 401K
• Tuition Reimbursement and Tuition Grants
• Continued learning opportunities through our onsite training facility and extensive online learning catalog
• Professional development and industry networking opportunities, e.g. Our Women’s Network and community engagement events

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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