Mechanical HVAC Design Engineer

Earthwise Energy Technologies, LLC is seeking an experienced Mechanical HVAC Design Engineer to support the design and delivery of commercial HVAC and building systems projects from concept through construction and startup. This role is responsible for developing coordinated mechanical system designs, producing construction documents, collaborating with cross-functional project teams, and supporting successful project execution. The ideal candidate brings experience with commercial HVAC design, Revit, and mechanical building systems, along with a strong technical foundation and a desire to grow into increasing levels of engineering responsibility.

Essential Duties:

• Develop HVAC system designs, including layout, equipment selection, ductwork, hydronic piping, heating and cooling load calculations, and energy analysis.
• Create and maintain detailed construction documents, specifications, airflow diagrams, and piping/control schematics.
• Work with 3D architectural models in Revit to draw ductwork and piping layouts, integrating mechanical systems with structural, electrical, plumbing, and other disciplines.
• Design and/or assist in the design of Air Handling Units, Energy Recovery Ventilators, Boilers (gas, oil, propane), Hydronic Systems, Heat Pumps, VRF systems, and other HVAC components.
• Support project phases from conceptual design through construction, bidding, and startup.
• Apply ASHRAE, NFPA, and building code standards; coordinate with code officials as required.
• Participate in site visits, field coordination, and startup support as needed.
• Mentor junior staff and collaborate with engineers, architects, contractors, and service technicians to ensure successful project delivery.
• Provide drafting support to other disciplines (Plumbing, Fire Protection, VDC group) when necessary.

Qualifications:

• 2–5 years of HVAC design experience with a consulting or engineering firm.
• 5–10 years of progressive HVAC design/engineering experience is preferred.
• Bachelor’s in mechanical engineering or related field preferred but not required.
• Direct Revit software experience required (2D & 3D drafting/modeling).
• Experience with load calculation software such as Trane Trace or HAP is strongly preferred.

About Arden Building Companies, LLC:

Arden Building Companies, LLC is the holding company for Arden Engineering Constructors, Corporate Mechanical of New England, Earthwise Energy Technologies, MJ Daly, and Unique Metal Works. Our comprehensive skill sets cover a wide range of services, including mechanical, electrical, and fire protection construction, service, maintenance, and building automation. With our extensive experience and talented teams, we provide the utmost level of quality and solutions for the demands of today’s complex building systems. We are New England’s premier mechanical contractor.

Arden Building Companies, LLC, is an equal opportunity employer. Our success directly reflects the skills, experience, and dedication of our people. To help them succeed, we strive to provide a positive, productive work environment based upon both mutual respect and commitment to compliance with all federal, state, and local laws. We recruit, hire, train, and promote employees without discriminating based on race, color, religion, gender, national origin, marital status, age, disability, or veteran status. All our employees share the responsibility of supporting our policies for a harassment-free and drug-free workplace. All offers of employment are contingent upon a criminal background check, driving record, and a 5-panel drug screen, satisfactory to Arden Building Companies, LLC policies.