HVAC Design Engineer

Position Summary

The HVAC Design Engineer is responsible for the design, coordination, and technical support of medium to large-scale HVAC systems across commercial, industrial, hospitality, institutional, and mixed-use developments.

The role includes preparation of engineering calculations, system layouts, shop drawings, BIM models, equipment selections, and technical submittals for hydronic and unitary HVAC systems, including chilled water plants, VRF systems, rooftop packaged units, AHUs, FCUs, and ventilation systems.

The position also supports estimating activities, supervises junior engineering staff, and provides technical guidance to installation and service teams to ensure systems are practical, compliant, and constructible.

Note: We prefer if the candidate is willing to relocate.

Key Responsibilities

HVAC System Design Engineering

Prepare engineering designs for:

• Chilled water systems (air-cooled and water-cooled)
• Primary and secondary pumping systems
• VRF / VRV systems
• Rooftop packaged units
• AHUs and FCUs
• Ventilation and exhaust systems
• Stairwell pressurization systems
• Mechanical plantroom layouts

Responsibilities include:

• Cooling load calculations
• Equipment selection and scheduling
• Duct sizing and routing
• Pipe sizing and routing
• Static pressure calculations
• Pump head calculations
• Ventilation airflow calculations
• Expansion tank sizing concepts
• System zoning strategies

Engineering Documentation & Deliverables

Prepare and review:

• HVAC design drawings
• Shop drawings
• Coordination drawings
• Builder’s work drawings
• Equipment schedules
• Technical specifications support documents
• As-built drawings

Ensure compliance with:

• Consultant drawings and specifications
• Project contract requirements
• Local building codes
• ASHRAE standards
• SMACNA guidelines

BIM Modeling and CAD Production

Develop coordinated mechanical layouts using:

• AutoCAD
• Revit MEP

Responsibilities include:

• 2D drafting production
• 3D system modeling
• Ceiling coordination layouts
• Clash detection support
• Plantroom equipment layout optimization
• Equipment clearance validation

Estimating and BOQ Support

Support the Estimating Engineer during tender preparation by assisting with:

• Equipment selections
• Preliminary system layouts
• Material take-offs (MTOs)
• BOQ preparation
• Technical clarifications
• Scope alignment reviews
• Value engineering alternatives

Provide technical input to improve bid competitiveness and constructability.

Construction Phase Technical Support

Provide engineering support during project execution:

• Review installation compliance with drawings
• Resolve routing conflicts
• Adjust layouts where required
• Support builder’s work coordination
• Assist plantroom installation sequencing
• Respond to technical RFIs from site teams

Ensure installation reflects engineering intent.

Commissioning and Performance Support

Assist commissioning teams with:

• Pre-functional inspections
• Airflow verification coordination
• Hydronic balancing readiness
• Equipment startup coordination
• Deficiency resolution tracking

Support troubleshooting during project closeout.

Consultant and Project Coordination

Interface with:

• Consulting engineers
• Architects
• Project managers
• Contractors
• Equipment suppliers
• Commissioning agents

Participate in:

• Design coordination meetings
• Technical review workshops
• Value engineering exercises