Liquid Cooling Systems Engineer

JLL
parental leave, paid time off, 401(k)
United States, South Carolina, Spartanburg
Dec 30, 2025
JLL empowers you to shape a brighter way. 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. As a Water Specialist for Rack Installations at JLL, you will serve as the technical expert responsible for managing sophisticated water and coolant systems that enable cutting-edge liquid cooling infrastructure in mission-critical data center environments. This specialized role combines advanced mechanical engineering principles with deep expertise in water chemistry, fluid dynamics, and thermal management to ensure optimal performance of rack-level cooling systems. At JLL, we are collectively shaping a brighter way - for our clients, ourselves and our fellow employees, and your technical mastery will be essential in implementing innovative cooling solutions that support the next generation of high-density computing environments. You'll oversee complex water distribution systems, develop comprehensive water treatment programs, and lead emergency response initiatives while ensuring strict compliance with industry standards and environmental regulations. We embrace more innovative ways of working and prioritize opportunities to strengthen and advance your career, providing you with the platform to apply cutting-edge fluid system technologies while mentoring technical teams and driving continuous improvement initiatives. This role offers the perfect blend of technical expertise and strategic thinking, allowing you to shape the future of liquid cooling operations while advancing sustainable water management practices in critical facility environments. What your day-to-day will look like: Apply advanced mechanical engineering principles to design and optimize water distribution systems for high-density server environments including CDU sizing and thermal load management Oversee comprehensive water distribution infrastructure including cooling distribution units, pumps, heat exchangers, and piping systems to maintain optimal cooling performance Develop and execute sophisticated water treatment programs including chemical management, pH control, conductivity monitoring, and microbial content testing Conduct regular performance analyses of water cooling systems while monitoring and optimizing flow rates, temperatures, and pressure differentials across rack installations Lead preventive maintenance programs for water systems including filtration schedules, chemical dosing protocols, and comprehensive equipment servicing Implement water system efficiency initiatives designed to reduce Power Usage Effectiveness while analyzing thermal performance data for high-density rack environments Ensure strict adherence to water system standards and environmental regulations while overseeing safety protocols including spill containment and leak detection procedures Mentor and guide facility technicians and engineers on advanced water system operations, chemistry principles, and emergency response procedures Lead emergency response coordination for water-related incidents including system failures, contamination events, and critical cooling system malfunctions Required qualifications: Minimum 5 years of technical experience in water treatment, mechanical systems, or critical facility operations with proven expertise in fluid management Advanced knowledge of water chemistry principles, chemical treatment protocols, and comprehensive fluid analysis procedures Hands-on experience with liquid cooling systems, cooling distribution units, and thermal management technologies in data center environments Strong analytical capabilities for water system performance optimization, troubleshooting complex issues, and implementing effective solutions Demonstrated expertise in developing and executing preventive maintenance programs for sophisticated water and cooling infrastructure Excellent verbal and written communication skills for creating technical documentation, training programs, and stakeholder reporting Working knowledge of computer applications including data analysis software and computerized maintenance management systems Physical capability to lift up to 80 pounds, work at heights and in confined spaces, and operate in wet environments with chemical exposure Availability for emergency call-in work and flexibility to perform duties across multiple shifts as operational needs require Preferred qualifications: Bachelor's degree in Mechanical Engineering with specialization in fluid systems, thermal management, or related technical discipline Professional certifications in water treatment such as Certified Water Technologist (CWT) or Water Quality Association credentials Experience with building automation systems and advanced water monitoring technologies for large-scale facility management Specialized expertise in energy efficiency optimization and successful implementation of sustainability initiatives for water systems Comprehensive knowledge of environmental compliance requirements and chemical safety regulations for industrial water treatment Proven experience with commissioning activities, system startup procedures, and performance baselining for liquid cooling infrastructure This position does not provide visa sponsorship. Candidates must be authorized to work in the United States without employer sponsorship. Location: On-site -Spartanburg, SC If this job description resonates with you, 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! Personalized benefits that support personal well-being and growth: JLL recognizes the impact that the workplace can have on your wellness, so we offer a supportive culture and comprehensive benefits package that prioritizes mental, physical and emotional health. Some of these benefits may include: 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 At JLL, we harness the power of artificial intelligence (AI) to efficiently accelerate meaningful connections between candidates and opportunities. Using AI capabilities, we analyze your application for relevant skills, experiences, and qualifications to generate valuable insights about how your unique profile aligns with the specific requirements of the role you'repursuing. JLL Privacy Notice Jones Lang LaSalle (JLL), together with its subsidiaries and affiliates, is a leading global provider of real estate and investment management services. We take our responsibility to protect the personal information provided to us seriously. Generally the personal information we collect from you are for the purposes of processing in connection with JLL's recruitment process. We endeavour to keep your personal information secure with appropriate level of security and keep for as long as we need it for legitimate business or legal reasons. We will then delete it safely and securely. For more information about how JLL processes your personal data, please view our Candidate Privacy Statement. For additional details please see our career site pages for each country. For candidates in the United States, please see a full copy of our Equal Employment Opportunity policy here. 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 - including the online application and/or overall selection process - you may email us at HRSCLeaves@jll.com. This email is only to request an accommodation. Please direct any other general recruiting inquiries to our Contact Us page > I want to work for JLL. Accepting applications on an ongoing basis until candidate identified.