Mechanical Design Engineer

ARCO National Construction Company; Richmond Heights (MO); On-site; USD 90,000 - 120,000; Full time

Benefits offered by this job

Bonus program

ESOP

401k -(Traditional and Roth)

Tuition reimbursement

Scholarship for associates’ children

Sabbatical after five years + travel

Volunteer leave & charitable match

Medical, dental, vision insurance

3 weeks vacation

Maternity leave

Job summary

ARCO National Construction Company in St. Louis (Richmond Heights) is seeking an HVAC Engineer to design and engineer mechanical systems from concept through construction.

You will produce drawings, specs, and equipment schedules in Revit and AutoCAD, and collaborate with architects, structural engineers, clients, and subcontractors. The role requires 3–8+ years of mechanical design experience in commercial/industrial sectors, proficiency with Revit, AutoCAD, and load calculation tools, and

Qualifications

• Bachelor's degree in Mechanical Engineering or related field.
• 3–8+ years of mechanical design experience in commercial/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).

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.

Skills

Mechanical design experience

Project coordination

Design-build experience

ASHRAE standards knowledge

Energy codes knowledge

Education

Bachelor's degree in Mechanical Engineering

Tools

Revit

AutoCAD

Trane Trace

HAP

Job description

About You

We are looking for a HVAC Engineer to join our growing team in St. Louis (Richmond Heights). You will be responsible for the design and engineering of HVAC and mechanical systems from concept through construction. 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.

What We Can Offer You

• 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

A Day In The Life

• 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

Necessary Qualifications

• 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)

Legal Disclaimer

EOE, including disability/vets