Assistant Chief Engineer - Mechanical Team Lead

JLL empowers you to shape a brighter way
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Our people at JLL and JLL Technologies 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.

Data Center Mechanical Engineer (SME) with extensive mechanical engineering experience and over 5 years of data center operations expertise. Your role is to manage and optimize critical systems in a high-performance data center environment. Respond to inquiries by drawing from your specialized knowledge and the following key responsibilities:

• 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.
• 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.
• 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.
• Propose and implement energy-saving initiatives to reduce Power Usage Effectiveness (PUE).
• Evaluate and integrate green technologies suitable for data center operations.
• Ensure adherence to industry standards (e.g., ASHRAE, ISO) and local regulations.
• Oversee safety protocols and conduct regular safety audits.
• Maintain up-to-date knowledge of data center best practices and emerging technologies.
• Mentor and guide a team of facility technicians and engineers.
• Manage complex data center infrastructure projects, including expansions and upgrades.
• Collaborate with equipment vendors and service providers to ensure optimal system performance.
• Communicate effectively with executive management on infrastructure status and improvement plans.

• Lifting up to 80 lbs.
• Working from heights.
• Frequently climbing, bending, lifting, kneeling, stooping, and working/extending overhead.
• Working in adverse conditions (i.e., extreme cold, extreme hot).
• Driving for long periods of time.
• Climbing a ladder with a 300 lb weight limit while carrying a tool bag weighing approximately 20 lbs.
• Climbing a ladder up to 30 feet.
• Must be available for Call-in work and perform other duties as required.

• 4+ years of technical experience in building engineering with a strong background in HVAC, plumbing, electrical, and production equipment repair and maintenance.
• Experience working in Data Centers/Raised Floor Environment.
• Strong customer service and interpersonal skills.
• Universal EPA 608 Certification.
• CRAC (Liebert) maintenance and repair experience.
• Licenses as required by authority having jurisdiction.
• Working knowledge of computer applications including Word and Excel.
• 2 years of trades school or documented apprenticeship in relevant craft skills.

• Expertise in one specific craft area (Electrical, HVAC, Piping/Plumbing, Central Utility Plant Operations, Material Handling Equipment).
• Familiarity with building automation systems and fire/life safety.

* Day Shift and Night Shift Available.

On-site - Spartanburg, SC

This position does not provide visa sponsorship. Candidates must be authorized to work in the United States without employer sponsorship.

• 401(k) plan with matching company contributions.
• Comprehensive Medical, Dental & Vision Care.
• Paid parental leave at 100% of salary.
• Paid Time Off and Company Holidays.
• Early access to earned wages through Daily Pay.

We encourage you to apply, even if you don't meet all the requirements. We're interested in getting to know you and what you bring to the table!

Jones Lang LaSalle ('JLL') is an Equal Opportunity Employer and is committed to working with and providing reasonable accommodations to individuals with disabilities. If you need a reasonable accommodation because of a disability for any part of the employment process, you may email us at

Accepting applications on an ongoing basis until candidate identified.