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Critical Environment Engineering Team

JLL
parental leave, paid time off, 401(k)
United States, South Carolina, Spartanburg
Jan 12, 2026

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.

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 Engineer
  • 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 that keep our 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, and maintain sophisticated building systems 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.

What your day-to-day will look like:

  • 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
  • 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 respond 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

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 commissioning processes and LEED certification requirements
  • Familiarity with advanced analytics and IoT technologies for predictive maintenance applications

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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.

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