Mid-Level HVAC Mechanical Engineer – Commercial Systems

USA Mechanical & Energy Services; Enfield (CT); On-site; USD 85,000 - 110,000; Full time

Benefits offered by this job

401(K) with Employer Match Contributes

Paid Holidays

Long-term Disability

Short-term Disability

Hospital Indemnity Insurance

Pet Insurance

Annual Employee Appreciation Events

Job summary

USA Mechanical & Energy Service is seeking a Mid-Level HVAC Mechanical Engineer to design, analyze, and implement heating, ventilation, air conditioning, and plumbing systems for commercial, industrial, and institutional facilities. The role requires independent design task management and collaboration with multidisciplinary teams to meet performance and energy efficiency standards.

Based in Enfield, CT, this full-time in-house position offers opportunities to mentor junior engineers and

Qualifications

• Bachelor’s degree in Mechanical Engineering or related field.
• 3–7 years of HVAC engineering experience.
• Proficiency with HVAC design software and tools (e.g., AutoCAD, Revit, HVAC load calculation software).
• Strong understanding of thermal systems, fluid mechanics, and psychrometrics.
• Ability to interpret and apply building codes and engineering standards.

Responsibilities

• Design HVAC systems including heating, cooling, ventilation, and control systems for new construction and retrofit projects.
• Perform load calculations (heating and cooling), equipment sizing, and system selection.
• Develop and review HVAC layouts, ductwork, piping, and equipment schedules using CAD/BIM tools.
• Prepare construction documents, specifications, and design narratives for estimating and proposals.
• Ensure designs comply with applicable codes and standards (ASHRAE, IMC, NEC, local codes).
• Coordinate HVAC designs with architectural, structural, electrical, plumbing, and fire protection disciplines.
• Review shop drawings, submittals, and RFIs during construction.
• Support commissioning activities and assist with field inspections and troubleshooting.
• Evaluate system performance, energy efficiency, and life-cycle costs.
• Mentor entry-level engineers and contribute to technical reviews.

Skills

HVAC design

Load calculations

CAD/BIM

Code interpretation

Communication

Education

Bachelor's degree in Mechanical Engineering

Tools

AutoCAD

Revit

HVAC design software

Job description

USA Mechanical & Energy Service is seeking a Mid-Level HVAC Mechanical Engineer to design, analyze, and implement heating, ventilation, air conditioning, and plumbing systems for commercial, industrial, and institutional facilities. The role requires independent design task management and collaboration with multidisciplinary teams to meet performance and energy efficiency standards.

Based in Enfield, CT, this full-time in-house position offers opportunities to mentor junior engineers and