Jobs · Engineering · Missouri

Mechanical Design Engineer

ARCO National Construction Company · St Louis, MO · 6 days ago
Engineering$28k/yrFull-time

We are looking for an HVAC Engineer to join our growing team in St. Louis (Richmond Heights). The ideal candidate is a proactive problem solver who thrives in a collaborative environment and brings both technical knowledge and a practical mindset to each project.

Responsibilities

  • Design HVAC and mechanical systems for commercial and industrial buildings
  • Prepare drawings, specifications, and equipment schedules in Revit and AutoCAD
  • Perform load calculations, equipment selection, and ductwork layouts
  • Coordinate with architects, structural engineers, clients, and subcontractors to integrate MEP systems into overall building design
  • Attend design meetings and construction coordination sessions as needed
  • Assist with code compliance reviews and permitting documentation
  • Manage multiple deadlines and adapt to evolving project scopes

Requirements

  • Bachelor's degree in Mechanical Engineering or related field
  • 3-8+ years of mechanical design experience in commercial or industrial sectors
  • Design-build project delivery experience is highly preferred
  • Proficiency in Revit, AutoCAD, and mechanical load calculation tools (e.g., Trane Trace, HAP)
  • Strong knowledge of IMC, ASHRAE standards, and relevant energy codes (e.g., Title 24, IECC)

Benefits

  • Industry-leading performance-based bonus program
  • 100% employer-funded ESOP to all associates
  • Traditional and Roth 401k
  • Tuition reimbursement for associates
  • Scholarship for associates’ children up to $28,000 per child
  • 1-month paid sabbatical after every five years of employment, plus $5,000 for travel
  • 1-week paid volunteer leave each year & 100% charitable match
  • Medical, dental, and vision insurance coverage
  • 3 weeks of vacation
  • 100% paid 12-week maternity leave

We are proud to be one of the fastest-growing, privately-owned companies in America, celebrating over 30 years of experience as design-build experts with over 7,500 design-build projects nationwide. We ranked #9 on ENR’s Design-Build Firms list and #34 on ENR's Top 400 Contractors list of 2026.

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