HVAC Commercial Mechanical Engineer (Mid-Level)

USA Mechanical & Energy Services • West Hartford, CT

1d • Onsite

About The Position

USA Mechanical & Energy Service, a top-rated HVAC-R service company since 2003, is seeking a Mid-Level HVAC Mechanical Engineer. As a family business built on dependability and quality, we are a full-service mechanical contractor providing 24/7 HVAC Service & Maintenance. In September 2021, we partnered with Orion Services Group, a private equity-backed company focused on acquiring leading commercial field services companies. Orion's People-First approach aims to foster an environment where top talent thrives. The Mid-Level HVAC Mechanical Engineer will be responsible for the design, analysis, and implementation of heating, ventilation, air conditioning systems & plumbing for commercial, industrial, and/or institutional facilities. This role requires independent management of HVAC & plumbing design tasks, coordination with multidisciplinary teams, and ensuring systems meet performance, energy efficiency, code, and client requirements. This is a full-time, in-house position located in East Granby, CT.

Requirements

• 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 psychometrics.
• Experience designing HVAC & plumbing systems for commercial or industrial buildings.
• Ability to interpret and apply building codes and engineering standards.
• Strong analytical, organizational, and communication skills.

Nice To Haves

• Experience with energy modeling or sustainable design (LEED, high-performance buildings).
• Knowledge of building automation and control systems.
• Working knowledge of ASHRAE standards and energy codes.
• Engineer-in-Training (EIT) or Professional Engineer (PE) license.
• Experience with healthcare, laboratory, data center, or mission-critical facilities.

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.
• Develop and review plumbing layouts, sanitary & waste, venting, and domestic water.
• Prepare construction documents, specifications, and design narratives for our estimating team to prepare a proposal for the account manager.
• Ensure designs comply with applicable codes and standards (e.g., ASHRAE, IMC, NEC, local building codes).
• Coordinate HVAC designs with architectural, structural, electrical, plumbing, and fire protection disciplines.
• Review shop drawings, submittments, 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.

Benefits

• Medical/Dental/Vision Insurance.
• 401(K) with Employer Match Contributions.
• PTO.
• Paid Holidays.
• Long-term Disability.
• Short-term Disability.
• Accidental Insurance.
• Hospital Indemnity Insurance.
• Critical Illness Insurance.
• Pet Insurance.
• Multiple Annual Employee Appreciation Events and more.

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level