HVAC CAD Designer — 3D Drafting & Spooling

Central Air & Heating Service; Harlingen (TX); On-site; USD 65,000 - 95,000; Full time

Benefits offered by this job

Competitive compensation

Medical, dental, and vision coverage

401(k) retirement plan

Professional development opportunities

Job summary

Modigent is seeking a CAD Designer - HVAC to develop detailed 2D and 3D drawings, models, and fabrication documents for commercial and industrial HVAC systems. You will support project teams by producing accurate ductwork, piping, equipment layouts, and spooling drawings that enable efficient fabrication and field installation.

This role requires coordination with Engineering, Project Management, and Fabrication teams to meet project goals, budgets, and schedules, while adhering to SMACNA

Qualifications

• 2–5+ years in CAD design focusing on HVAC systems.
• Experience with ductwork and piping spooling preferred.
• Office-based role with occasional job site visits.

Responsibilities

• Develop detailed 2D and 3D CAD drawings and models for HVAC systems.
• Coordinate with Operations, Project Managers, Engineers, and Fabrication teams.
• Organize workload to meet deadlines while maintaining budgets and quality.
• Maintain HVAC drawing standards, templates, and project databases.
• Create fabrication and installation drawings compliant with SMACNA, codes, and specs.
• Suggest design improvements and value engineering opportunities.
• Assist in material selection and specification for HVAC systems.
• Perform quality reviews of drawings and models for accuracy.
• Provide technical guidance to junior designers and project teams.

Skills

HVAC CAD design

3D modeling

attention to detail

multi-project management

team collaboration

Education

Associate/technical CAD drafting

Bachelor's degree preferred

Tools

AutoCAD

Revit

CADmep

Fabrication CAMduct

Job description

Modigent is seeking a CAD Designer - HVAC to develop detailed 2D and 3D drawings, models, and fabrication documents for commercial and industrial HVAC systems. You will support project teams by producing accurate ductwork, piping, equipment layouts, and spooling drawings that enable efficient fabrication and field installation.

This role requires coordination with Engineering, Project Management, and Fabrication teams to meet project goals, budgets, and schedules, while adhering to SMACNA