Overview:
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.
Responsibilities:

WHO WE WANT… (REQUIREMENTS)

• Accredited Bachelor’s or master’s degree in mechanical engineering or a closely related discipline.
• Professional Engineering License is required.
• 8–10+ 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.
  Qualifications:

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.

SUPERVISORY RESPONSIBILITIES

This position has no supervisory responsibilities.