Mid-Level Commercial HVAC Engineer - Design & Build

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

Benefits offered by this job

401K match

PTO

Paid holidays

Long-term disability

Short-term disability

Hospital indemnity insurance

Critical illness insurance

Pet insurance

Annual employee appreciation events

Job summary

USA Mechanical & Energy Services in Middletown, CT seeks a mid-level HVAC Mechanical Engineer to design, analyze, and implement heating, ventilation, and air conditioning for commercial, industrial, and institutional facilities. You will manage HVAC and plumbing design tasks, coordinate with multidisciplinary teams, and ensure adherence to performance, energy, and code requirements.

The role is full‑time and based in CT, with opportunities to mentor junior engineers and contribute to

Qualifications

• Bachelor's degree in Mechanical Engineering or related field.
• 3–7 years of HVAC engineering experience.
• Proficiency with CAD/BIM tools and HVAC design software.
• Strong understanding of thermal systems, fluid mechanics, and psychrometrics.
• Experience designing HVAC & plumbing for commercial/industrial buildings.
• Ability to interpret building codes and engineering standards.
• Strong analytical, organizational, and communication skills.

Responsibilities

• Design HVAC systems for new construction and retrofit projects.
• Perform load calculations and equipment sizing.
• Develop and review HVAC layouts, ducts, piping, and equipment schedules.
• Develop and review plumbing layouts, sanitary & waste, venting, and domestic water.
• Prepare construction documents and design narratives for estimates.
• Ensure designs meet codes and standards (ASHRAE, NEC, IMC).
• Coordinate HVAC with architecture, structure, electrical, plumbing, fire protection.
• Review shop drawings, submittals, and RFIs during construction.
• Support commissioning activities and field inspections.
• Evaluate system performance and energy efficiency.
• Mentor entry-level engineers and contribute to technical reviews.

Skills

HVAC design

Load calculations

CAD/BIM

Piping & ductwork

Code interpretation

Education

Bachelor's degree in Mechanical Engineering

Tools

AutoCAD

Revit

HVAC load calculation software

Job description

USA Mechanical & Energy Services in Middletown, CT seeks a mid-level HVAC Mechanical Engineer to design, analyze, and implement heating, ventilation, and air conditioning for commercial, industrial, and institutional facilities. You will manage HVAC and plumbing design tasks, coordinate with multidisciplinary teams, and ensure adherence to performance, energy, and code requirements.

The role is full‑time and based in CT, with opportunities to mentor junior engineers and contribute to