We are seeking an experienced, motivated, and self-directed Mechanical HVAC Design Engineer to join our engineering department at Earthwise Energy Technologies, LLC, in Pawtucket, Rhode Island. You will use Revit and your commercial HVAC design expertise to develop coordinated mechanical systems from concept through construction and startup, working with engineers, architects, contractors, service technicians, and internal project teams. This role is ideal for a candidate with HVAC design experience who is ready to contribute immediately, take ownership of meaningful projects, and grow toward senior-level engineering responsibilities.

Mechanical HVAC Design Engineer Responsibilities:

• 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 required.
• 5–10 years of progressive HVAC design or mechanical engineering experience is strongly preferred.
• Bachelor in Mechanical Engineering or a related field preferred but not required.
• Direct Autodesk Revit experience required, including 2D drafting and 3D BIM modeling.
• Experience with HVAC load calculation software such as Trane TRACE or Carrier 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.