Designer, HVAC

AHA Consulting Engineers is a building systems engineering firm specializing in MEP/FP and technology consulting. This role offers an exciting opportunity for someone early in their career to support the design of HVAC and mechanical systems, gaining hands-on experience and mentorship in an MEP consulting environment. Responsibilities Support the design of HVAC and mechanical systems for new construction and renovation projects under the direction of senior engineers and project managers Prepare drawings and construction documents in Revit, including ductwork, piping, equipment layouts, and system details Perform basic engineering calculations such as heating and cooling loads, ventilation calculations, and preliminary equipment sizing Assist with the selection and evaluation of mechanical equipment using manufacturer data and guidance from senior team members Review drawings, existing conditions, and project requirements to support accurate and coordinated design solutions Participate in field visits to document existing conditions and observe project progress Coordinate with internal project team members across disciplines, including electrical, plumbing, fire protection, and technology Help ensure designs comply with applicable building codes, energy codes, and project standards Maintain organized project documentation and support timely project delivery Apply technical direction, develop engineering judgment, and continue building knowledge through mentorship and project experience Skills Bachelor's degree in Mechanical Engineering, Architectural Engineering, or related field; or Associate's degree in a related technical field with relevant internship, co-op, or MEP experience Internship, co-op, or up to one year of experience in an engineering, construction, or related technical environment Fundamental understanding of HVAC and mechanical engineering concepts Ability to read and interpret engineering drawings and construction documents Strong analytical, organizational, and problem-solving skills Effective verbal and written communication skills Ability to work in the United States without sponsorship Ability to travel locally for project site visits as needed Internship, co-op, or prior experience in an MEP consulting firm Familiarity with Revit and AutoCAD Exposure to HVAC load calculation software or other mechanical design tools Working knowledge of applicable building and energy codes Engineer-in-Training (EIT) certification or progress toward obtaining it Strong MS Office skills, including Excel and Microsoft Teams Benefits Employee Stock Ownership Plan (ESOP) – giving you a real stake in AHA’s long-term success Path to Partnership – a transparent, attainable leadership development framework Student Debt Repayment Program – direct financial support to help reduce student loan burden Flexible & Hybrid Work Schedules – supporting balance, autonomy, and professional growth Professional Development & Mentorship – including FE/PE exam support and structured training opportunities Company Overview AHA Consulting Engineers is an engineering company that offers mechanical, electrical, and fire protection engineering services. It was founded in 1991, and is headquartered in Lexington, Massachusetts, USA, with a workforce of 51-200 employees. Its website is