Jobs and Careers
JL

Mechanical SME

JLL
United Statesfull_timeVerifiedPosted 15 Jul 2026

About the role

JLL empowers you to shape a brighter way.  

Our people at JLL are shaping the future of real estate for a better world by combining world class services, advisory and technology for our clients. We are committed to hiring the best, most talented people and empowering them to thrive, grow meaningful careers and to find a place where they belong.  Whether you’ve got deep experience in commercial real estate, skilled trades or technology, or you’re looking to apply your relevant experience to a new industry, join our team as we help shape a brighter way forward.   

Mechanical SME- Critical Facilities 

 

As a Mechanical Subject Matter Expert (SME) at JLL, you will serve as the technical authority and strategic advisor for complex mechanical systems across a large hyperscale data center. This specialized role demands deep expertise in HVAC design, mechanical system optimization, and advanced building technologies while providing consultative support to engineering teams, clients, and project stakeholders. You will lead technical assessments, drive innovation initiatives, and establish best practices that enhance system performance, energy efficiency, and operational reliability across multiple facility types. 

 

What your day-to-day will look like: 

 

Critical Systems Management:  

  • Oversee HVAC, electrical, and plumbing systems specific to data center operations  

  • Implement and maintain critical environment protocols and Method of Procedure (MOP) processes  

  • Conduct regular performance analyses of facility mechanical and electrical systems  

 

Mechanical Engineering Applications:  

  • Apply mechanical engineering principles to improve data center efficiency and reliability  

  • Design and implement cooling solutions optimized for high-density server environments  

  • Analyze and enhance airflow management strategies  

 

Preventive Maintenance and Troubleshooting:  

  • Develop and execute comprehensive preventive maintenance schedules for all critical infrastructure  

  • Lead root cause analysis for any system failures or inefficiencies  

  • Implement corrective actions and system upgrades based on engineering assessments  

Incident Management  

  • Be the first point of contact for service impacting events involving the mechanical plant. 

  • Assist the team in troubleshooting and mitigating incidents.  

  • Assist in the creation of root cause analysis (RCAs). 

  • Be available for after-hours support regarding the mechanical plant.  

  • This includes 24x7 response.  

 

Energy Efficiency and Sustainability:  

  • Propose and implement energy-saving initiatives to reduce Power Usage Effectiveness (PUE)  

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Company

JLL

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