Sr. Mechanical Engineer

Gray AES; Lexington (KY); On-site; USD 110,000 - 160,000; Full time

Job summary

Gray AES is seeking a Senior Mechanical Engineer-MEP for its multi-site offices in Atlanta, GA, Charlotte, NC, Dallas, TX, and Lexington, KY. The role focuses on leading mechanical design for industrial and commercial facilities, including HVAC, piping, and utility systems, with strong BIM and 3D modeling requirements.

The candidate should have 8–10+ years in mechanical design, a PE license, and proven leadership in cross-functional project teams.

Qualifications

• Bachelor's Degree in Mechanical Engineering from an accredited college.
• Professional Engineer license required.
• 8–10+ years of progressive mechanical design experience in mechanical design for industrial or commercial facility projects.
• Proven expertise in mechanical systems design including HVAC, piping, utility systems, and equipment layout.
• Advanced proficiency in Bluebeam and 3D modeling software (Revit, AutoCAD, SolidWorks) and familiarity with BIM workflows.
• Strong understanding of building codes and engineering standards (IBC, ASHRAE, NFPA).
• Leading multidisciplinary engineering teams, mentoring junior staff, and managing design deliverables across project phases.
• Proficiency in Microsoft Office Suite with advanced Excel for system analysis and cost modeling.

Responsibilities

• Serve as technical lead 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.
• Actively contribute to business development, including proposal writing and client presentations.
• Mentor and guide junior engineers, fostering technical excellence and continuous improvement.
• Lead mechanical design efforts across FEL/FEED, Detailed Design, Procurement, Construction, and Commissioning.
• Collaborate with internal and external stakeholders to deliver integrated engineering solutions.

Skills

Mechanical design leadership

HVAC design

Piping layout

3D modeling

BIM workflows

Excel advanced

Cost modeling

Regulatory knowledge

Project coordination

Travel up to 25%

Education

Bachelor's Degree in Mechanical Engineering

Professional Engineering License

Tools

Bluebeam

Revit

AutoCAD

SolidWorks

Job description

Gray AES is looking to add a Sr. Mechanical Engineer-MEP to our Atlanta, GA, Charlotte, NC, Dallas, TX and Lexington, KY Office.

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. Its the spirit of our people – the passion, commitment, and a great team environment – that makes our company a great place to work.

Visa Sponsorship: This role is not eligible for visa sponsorship.

Who We Want…

• Bachelor's Degree in Mechanical Engineering (or related field) from an accredited college or university.
• 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 in Gray's core markets.
• Advanced proficiency in Bluebeam and 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.
• Ability to travel up to 25%

Qualifications

What we expect…

• 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.

Periodic overnight travel to visit jobsites where the ability to traverse undeveloped terrain may be required.

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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