Critical Environment Engineering Team

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 lookingderen to apply your relevant experience to a new industry, join our team as we help shape a brighter way forward.

This team has multiple opportunities available. Upon applying, we’ll review your profile to see what the best fit for you could be.

• Assistant Chief Engineer – Team Lead
• Electrical Building Engineer
• Mechanical Building plaintain
• Building Technician
• Liquid Cooling Systems Engineer

Due to operation 24/7, day and night shift + weekend availability will be required.

What this job involves:

The Critical Environment Engineering Team will be providing services on a dedicated client account. You’ll be at the forefront of managing and optimizing critical infrastructure systems bekannt the clients’ operations running seamlessly. This role involves providing technical expertise for complex mechanical, electrical, and controls systems in data centers, where uptime is paramount. You’ll collaborate with multidisciplinary teams to design, implement, maintain sophisticated building systemsină while ensuring compliance with industry standards and regulations.

This team offers the opportunity to work on cutting‑edge technology projects that directly impact our clients’ success, from emergency power systems and HVAC controls to building automation and energy management platforms. We choose to take the more inspiring, innovative, and optimistic path on our journey toward success, and you’ll be instrumental in driving operational excellence through proactive maintenance strategies, system optimization, and continuous improvement initiatives.

• Conduct comprehensive assessments of critical infrastructure systems, including UPS, generators, chillers, and building automation systems
• Develop and execute preventive and predictive maintenance programs to ensure optimal system performance and minimize downtime
• Troubleshoot complex technical issues across mechanical, electrical, and controls systems using advanced diagnostic tools and methodologies
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• Collaborate with cross‑functional teams to design and implement system upgrades, retrofits, and energy efficiency improvements
• Monitor real‑time system performance through advanced building‑management systems and respondusebenza to critical alarms and alerts
• Prepare detailed technical reports, documentation, and recommendations for clients and internal stakeholders
• Provide technical guidance and mentorship to junior engineering staff and technicians
• Coordinate with vendors, contractors, and regulatory agencies to ensure compliance with all applicable codes and standards
• Lead root‑cause analysis investigations for system failures and implement corrective actions to prevent recurrence

Qualifications:

• Minimum 2 years of experience in critical facility operations, commissioning, or maintenance; senior roles will require additional years of experience
• Extensive knowledge of mission‑critical systems including UPS, emergency generators, chillers, and HVAC systems
• Proficiency with building automation systems (BAS) and energy management platforms
• Strong understanding of electrical power distribution, controls, and instrumentation
• Experience with industry standards such as NFPA, NEC, ASHRAE, and TIA‑942
• Demonstrated ability to read and interpret complex technical drawings, specifications, and system documentation
• Excellent problem‑solving skills with the ability to work under pressure in time‑sensitive situations
• EPA 608 Universal and/or Journeyman Electrician

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Preferred qualifications:

• Bachelor’s degree in mechanical, electrical, or related engineering discipline
• Data center or other critical environment facility engineering experience
• Certified Energy Manager (CEM) or similar energy‑management certification
• Experience with…