HVAC & Building Systems Design Engineer (Junior/Senior)

gpac; St. Louis (MO); On-site; USD 75,000 - 110,000; Full time

Benefits offered by this job

Health insurance

401(k) plan

Profit sharing

Competitive pay

PTO

Job summary

gpac is seeking a Mechanical Design Engineer specializing in HVAC and building systems for commercial and institutional facilities. You will design airside and waterside HVAC components, work with owners, architects, and construction teams, and ensure designs comply with codes and industry standards.

This role emphasizes collaboration across design, preconstruction, estimating, and field teams to deliver complex systems from concept through completion.

Qualifications

• 2+ years of experience in facilities or mechanical systems design
• Experience with healthcare, higher education, commercial, laboratory facilities
• Knowledge of building codes and mechanical design standards
• Proficiency with Revit and AutoCAD
• Understanding of HVAC systems and equipment

Responsibilities

• Develop mechanical designs for commercial and institutional facilities
• Design HVAC airside and waterside systems
• Coordinate with architects, owners, construction teams
• Review vendor drawings and equipment submittals
• Ensure designs meet codes and safety standards
• Assist with design-build project planning and estimates
• Maintain CAD/BIM standards and client presentations

Skills

HVAC design

Revit

AutoCAD

Mechanical systems

Project coordination

Education

Bachelor's degree in Mechanical Engineering

EIT certification (plus)

Tools

Trane TRACE 700

Carrier HAP

Job description

gpac is seeking a Mechanical Design Engineer specializing in HVAC and building systems for commercial and institutional facilities. You will design airside and waterside HVAC components, work with owners, architects, and construction teams, and ensure designs comply with codes and industry standards.

This role emphasizes collaboration across design, preconstruction, estimating, and field teams to deliver complex systems from concept through completion.