HVAC Draftsman and Inside Engineer

Lighthouse Heating and Cooling is seeking an HVAC Draftsman and Inside Engineer in Norwalk, CT (onsite). This role focuses on producing accurate mechanical drawings, 3D models, and technical documentation that support HVAC system design from early concepts through installation-ready deliverables.

Responsibilities

• Create detailed 2D and 3D CAD drawings for HVAC systems using tools such as AutoCAD, Revit, MicroStation, and NavisWorks, ensuring alignment with project requirements.
• Produce piping and instrumentation diagrams (P&IDs), schematics, and system layouts in accordance with ASME codes & standards.
• Work with design engineers to convert conceptual direction into precise mechanical models, applying system design principles and BIM workflows.
• Prepare technical documentation including CAD documentation, assembly instructions, and system schematics supporting construction and installation.
• Perform mechanical drafting tasks that include 3D modeling for product design, FEA analysis, and assembly visualization to support system performance optimization.
• Verify designs against GD&T (Geometric Dimensioning & Tolerancing), relevant industry standards, and safety regulations.
• Provide ongoing support to construction teams by delivering updated CAD drawings and technical clarifications and incorporating revisions as needed.

Requirements

• Proven experience in mechanical drafting with strong proficiency in AutoCAD, Revit, NavisWorks, MicroStation, and at least one additional CAD platform such as SolidWorks, Creo, Autodesk Inventor, or similar software.
• Solid understanding of HVAC system design, including piping layouts and ductwork schematics.
• Experience supporting construction projects involving mechanical systems is highly desirable.
• Ability to interpret technical drawings and specifications accurately, with strong attention to detail.
• Excellent communication skills for technical writing and collaboration with multidisciplinary teams.

Technology

AutoCAD, Revit, MicroStation, NavisWorks, SolidWorks, Creo, Autodesk Inventor, BIM, FEA, GD&T, ASME

Compensation

$85,000.00 - $150,000.00 per year

Benefits

• 401(k)
• 401(k) matching
• Dental insurance
• Health insurance
• Health savings account
• Life insurance
• Paid sick time
• Paid time off
• Vision insurance

Work Location

In person in Norwalk, CT.