Mechanical HVAC Engineer

IDOM USA; Atlanta (GA); On-site; USD 100,000 - 135,000; Full time

Benefits offered by this job

Work-life balance

Flexible hours

Full benefits package

Job summary

IDOM USA is seeking an experienced HVAC Engineer to design and support HVAC systems for controlled environments, including cleanrooms, laboratories, and high-containment facilities, across US and international projects.

The role requires 5-7 years of HVAC design experience in industrial settings, knowledge of ASHRAE standards, and ability to coordinate across disciplines from concept to IFC package and construction support.

Qualifications

• Bachelor of Science Degree in Engineering, with mechanical emphasis.

Responsibilities

• Support the design of HVAC systems for ISO-classified cleanrooms, labs, and controlled environments.
• Develop system concepts, PFDs, and P&IDs for air handling units, HEPA filtration, make-up air, chilled water, and exhaust systems.
• Size and select air handling units (AHUs), fans, coils, ductwork, and controls.
• Perform heat load calculations, air balance, and cleanroom classification studies using relevant standards (ISO 14644, ASHRAE, cGMP, FDA, USP, etc.).
• Specify environmental monitoring systems, differential pressure controls, and contamination control strategies.
• Coordinate cleanroom HVAC design with architecture, process, electrical, plumbing, and automation disciplines

Skills

HVAC design

ASHRAE standards

AutoCAD / Revit

Spanish language

Education

Bachelor of Science in Mechanical Engineering

Tools

AutoCAD

Revit

Job description

This position is related to pharmaceutical and other industrial projects including clean rooms to work in the US and international projects. Experience in this field is required. This position is expected to be at a level where the individual will be able to evaluate, select and apply standard engineering techniques and procedures with reduced review from lead engineers, using judgment when making minor adaptations and modifications.

Primary Responsibilities:

The HVAC Engineer will support the design and engineering of HVAC systems for controlled environments, including cleanrooms, laboratories, and high-containment facilities. This role is responsible for ensuring system performance, regulatory compliance, and alignment with client and project requirements through all project phases—from conceptual design to IFC package and construction support.

• Support the design of HVAC systems for ISO-classified cleanrooms, labs, and controlled environments (temperature, humidity, pressure, and particulate control).
• Develop system concepts, PFDs, and P&IDs for air handling units, HEPA filtration, make-up air, chilled water, and exhaust systems.
• Size and select air handling units (AHUs), fans, coils, ductwork, and controls.
• Perform heat load calculations, air balance, and cleanroom classification studies using relevant standards (ISO 14644, ASHRAE, cGMP, FDA, USP, etc.).
• Specify environmental monitoring systems, differential pressure controls, and contamination control strategies.
• Coordinate cleanroom HVAC design with architecture, process, electrical, plumbing, and automation disciplines

Minimum Academic & Professional Requirements:

• Minimum Bachelor of Science Degree in Engineering, with mechanical emphasis.
• 5-7 years of experience in HVAC design for industrial applications.
• Applicable experience sectors may include Manufacturing, Pharma, Semi-conductors, and batteries. Petrochemical, Pulp & Paper, and/or Mining

Key Skills:

• Viable candidate will be a flexible and dynamic team player capable of integrating into an international team.
• Candidates must have excellent analytical skills and proficiency in ASHRAE std and mechanical codes and industry-standard HVAC programs or spreadsheets.
• AutoCAD or Revit experience is a plus.
• Spanish proficiency is a plus.
• $100k to $135k per year, depending on all candidate factors, such as qualifications, experience level, etc
• Work-Life Balance, flexible hours, & full benefits package
• Long term career path, in a multicultural and a multidisciplinary environment

Idom is an employee-owned international engineering, architectural and consulting firm. Our company has more than 5500 professionals in 45 offices in the Americas, Europe, North Africa, and the Middle East. In the US we emphasize providing professional engineering and consulting services to the sectors of Power, Petrochemical, Renewable Energy, Astronomy, Research Test Facilities, Manufacturing, Pulp and Paper, Pharmaceutical and the Food and Beverage market sectors. Our company has been in business since 1957. We have a backlog of interesting and technically challenging projects in the US and worldwide. Please refer to our global website, www.IDOM.com.

We are an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or veteran status.