Administrative Assistant

OfficeFull-time · Office-basedAffton, MO + greater St. Louis

A dependable, organized, detail-oriented Administrative Assistant supporting daily operations — assisting management, project managers, estimators, field personnel, customers, vendors, and subcontractors in a fast-paced construction environment.

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Key responsibilities

  • Answer phones, emails, and customer inquiries professionally
  • Assist project managers and estimators with administrative tasks and project documentation
  • Prepare and maintain proposals, contracts, purchase orders, work orders, invoices, and change orders
  • Enter and maintain customer, project, vendor, and employee information
  • Track project paperwork, deadlines, permits, inspections, and required documentation
  • Assist with scheduling service calls, crews, inspections, meetings, and project activities
  • Communicate with customers, vendors, suppliers, subcontractors, and field employees
  • Request pricing, obtain quotes, and assist with material and equipment orders
  • Assist with AP/AR documentation
  • Prepare reports, spreadsheets, and correspondence
  • Maintain organized electronic and paper filing systems
  • Assist with onboarding paperwork, timekeeping, and office administration

Qualifications

  • High school diploma or equivalent required; business or construction-related education a plus
  • 2+ years of administrative, office, construction, or contractor-office experience preferred
  • Strong computer skills: Word, Excel, Outlook, PDF/document management
  • Excellent organization and attention to detail
  • Strong written and verbal communication
  • Ability to prioritize multiple tasks and meet deadlines
  • Professional, dependable, customer-service oriented
  • Preferred: experience with an electrical/mechanical/plumbing/HVAC/general contractor; familiarity with construction documents; construction management, estimating, accounting, or service software

Work environment

Primarily office-based with occasional job-site interaction; fast-paced; may occasionally require extended hours.

Benefits

  • Competitive salary
  • Health, dental, and vision insurance
  • PTO and holidays
  • 401(k)
  • Professional development
  • Performance-based bonuses when applicable

Ready to join the team?

The application takes about two minutes. We review every one and respond fast.

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