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.