Sr. Mechanical Engineer

Gray AES is seeking to add a Sr. Mechanical 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, Louisville, KY or Remote.

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, andCommercial. 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. Its 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)

• Accredited Bachelors or masters degree in mechanical engineering or a closely related discipline.
• Professional Engineering License is required.
• 810+ years of progressive experience in mechanical design engineering, with a strong background in industrial or commercial facility projects.
• Proven expertise in mechanical systems design, including HVAC, piping, utility systems, and equipment layout for manufacturing, food & beverage, life sciences, or pharmaceutical environments.
• Advanced proficiency in 3D modeling software (e.g., Revit, AutoCAD, SolidWorks) and familiarity with BIM workflows. Strong understanding of building codes and engineering standards, including IBC, ASHRAE, NFPA, and applicable mechanical design regulations. Demonstrated experience in leading multidisciplinary engineering teams, mentoring junior staff, and managing design deliverables across project phases.
• Proficiency in Microsoft Office Suite, with advanced Excel skills for system analysis, cost modeling, and performance optimization.
• Familiarity with automation and control systems (e.g., PLCs, HMIs, VFDs) and their integration into mechanical infrastructure is a plus.
• Ability to assess existing mechanical systems and drive optimization strategies that improve efficiency, reduce operational costs, and deliver measurable ROI.

What we expect (Essential Functions)

• Serve as technical lead and subject matter expert for mechanical design across complex, capital-intensive projects.
• Lead the development of mechanical system architecture, including load calculations, energy modeling, equipment selection, and layout coordination.
• Oversee the creation of engineering documentation, including specifications, procurement packages, system diagrams, and commissioning protocols.
• Provide strategic input during project planning, feasibility studies, and client engagements, ensuring alignment with business goals and regulatory requirements.
• Actively contribute to business development, including proposal writing, client presentations, and relationship management. Capable of owning and expanding key accounts.
• Mentor and guide junior engineers, fostering a culture of technical excellence and continuous improvement.
• Lead mechanical design efforts across all project phases: FEL/FEED, Detailed Design, Procurement, Construction, and Commissioning.
• Collaborate with internal and external stakeholders to deliver integrated engineering solutions that meet performance, budget, and schedule targets.
• Ensure seamless coordination with architectural, structural, electrical, and automation disciplines.
• Represent the mechanical discipline in client-facing engagements, including design reviews, site visits, and commissioning activities.
• Maintain high standards of communication and documentation, supporting proactive coordination and issue resolution.
• Other duties as 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 controlled. Overtime may be required.

Supervisory Responsibilities

This position has no supervisory responsibilities.

EEO Disclaimer

Gray is proud to be an Equal Opportunity Employer and welcomes everyone to apply. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, gender identity, sexual orientation, national origin, or protected veteran status and will not be discriminated against on the basis of disability.

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