Refrigeration Engineer

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Gray AES is seeking to add a Refrigeration Engineer to its team, with the position based in one of our offices located in Atlanta, GA, Birmingham, AL, Cincinnati, OH, Charlotte, NC, Dallas, TX, Lexington, KY or Louisville, KY.

Responsibilities

Why Gray AES?

Gray is a family-owned, fully integrated global service provider specializing in engineering, design, construction, digital, equipment manufacturing, and real estate services. Deeply rooted in EAC services, Gray serves both domestic and international customers across our core markets:
Food & Beverage , Manufacturing , Automotive , Distribution , Mission Critical , and Commercial . At Gray, our purpose is to make a positive difference in people's lives and build a better future.

Gray AES, the professional services arm of Gray, is a top-ranked firm offering architecture, engineering, and automation services across the globe. Made up of multidisciplinary teams of architects, engineers, and project managers, these collaborative teams work every day to provide unique, customized solutions for our customers. It’s the spirit of our people – the passion, commitment, and a great team environment – that makes our company a great place to work.

Who We Want… (Requirements)

• Bachelor’s degree in mechanical engineering or equivalent combination of education and experience.
• Professional Engineering License is required.
• 3+ years of experience in refrigeration design; preference for food and beverage processing facilities and cold storage.
• Basic understanding of discipline-specific codes and standards, such as IMC, IIAR, ASHRAE, and NFPA.
• Strong interest in refrigeration systems and building mechanical design.
• Familiarity with AutoCAD and Revit; willingness to learn BIM workflows and load calculation tools.
• Excellent oral and written communication skills, with a collaborative and proactive mindset.
• Ability to work in a fast-paced, team-oriented environment and demonstrate professional integrity.
• Eager to grow professionally and contribute to multidisciplinary coordination efforts.

Qualifications

What we expect… (Essential Functions)

• Assist in the design and documentation of refrigeration systems under the supervision of senior engineers.
• Support the development of design approaches for ammonia, CO₂, and synthetic refrigeration systems, including temperature and humidity control strategies.
• Participate in system evaluations for condition, capacity, and efficiency, contributing to reports and recommendations.
• Help generate layouts, sizing, and equipment selections for primary and secondary refrigeration systems (e.g., chilled water, glycol, brine).
• Use AutoCAD, Revit, and BIM tools to draft refrigeration and process cooling designs.
• Assist in preparing design criteria and bid packages for subcontractor pricing.
• Collaborate with senior engineers to review shop drawings, respond to RFIs, and perform site visits.
• Attend internal and client meetings to gain exposure to project coordination and communication.
• Contribute to the updating of engineering standards and participate in team knowledge sharing.
• Begin involvement in industry organizations such as IIAR, RETA, and ASHRAE to support professional development.
• Other duties may be assigned.

Physical Demands & Work Environment

The physical demands described here are representative of those that must be met by a team member to successfully perform the essential functions of this job. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

While performing the duties of this position, the team member is frequently required to stand, walk, sit, use hands, reach with hands or arms and talk or hear. They may occasionally be required to climb or balance, stoop, kneel, or crouch. Must occasionally lift and/or move up to 50 pounds. Specific vision abilities required include close vision.

Generally, normal office environment where noise level is moderate and temperature/humidity is…