
Jll
JLL provides professional services in real estate and investment management worldwide.
Sr. Electrical Building Engineer - Critical Environment
Lead maintenance and troubleshooting of critical data center electrical systems.
Job Highlights
About the Role
The Senior Electrical Building Engineer serves as a critical technical leader responsible for advanced electrical systems powering data centers and other mission‑critical facilities. This role involves ownership of high‑voltage infrastructure, leading sophisticated troubleshooting, and mentoring engineering teams. Day‑to‑day duties include overseeing medium‑voltage switchgear, primary distribution, and transformers up to 15 kV, as well as managing paralleling systems. The engineer performs advanced diagnostics on UPS, automatic and static transfer switches, and power distribution units, and conducts relay testing, power‑quality analysis, and arc‑flash studies. They act as the escalation point for complex electrical issues, lead emergency response for critical failures, and analyze system performance to improve efficiency and reliability while ensuring compliance with NFPA 70E standards. • Lead maintenance and operation of medium‑voltage switchgear, transformers up to 15 kV, and paralleling systems. • Perform advanced diagnostics on UPS, ATS, STS, and PDUs to ensure maximum uptime. • Conduct relay testing, power‑quality analysis, and comprehensive arc‑flash studies. • Serve as escalation point for Level 1/2 electrical issues and coordinate emergency response. • Analyze power system performance data to implement efficiency and reliability improvements. • Ensure compliance with NFPA 70E standards and enforce arc‑flash safety protocols. • Provide technical oversight of contractor work and deliver electrical safety training.
Key Responsibilities
- ▸switchgear
- ▸ups diagnostics
- ▸relay testing
- ▸power quality
- ▸arc‑flash
- ▸emergency response
What You Bring
Required qualifications include at least five years of hands‑on experience with data‑center or critical‑facility electrical operations, deep knowledge of medium‑voltage distribution, transformers, and protective relaying, and proven expertise with large‑scale UPS systems and emergency generators. Strong analytical, problem‑solving, and communication skills are essential, along with the physical ability to perform demanding tasks and a requirement to obtain NFPA 70E certification within 90 days of employment. Preferred qualifications feature a Universal EPA 608 certification, a current electrical license or equivalent technical credential, and a bachelor's degree in Electrical Engineering or comparable training. Experience with advanced power‑monitoring and energy‑management platforms, proficiency in Corrigo CMMS or similar systems, and prior technical leadership roles are also valued. The position offers both day‑shift and night‑shift options, is located on‑site in Spartanburg, SC, and does not provide visa sponsorship; candidates must be authorized to work in the United States without sponsorship. • Minimum five years of hands‑on experience with data‑center or critical‑facility electrical systems. • Expertise with large‑scale UPS systems (500 kW+), emergency generators, and protective relaying. • NFPA 70E certification required within 90 days of employment. • Preferred: Universal EPA 608 certification, electrical license, B.S. in Electrical Engineering, and power‑monitoring experience.
Requirements
- ▸5+ years
- ▸ups systems
- ▸emergency generators
- ▸nfpa70e
- ▸epa608
- ▸power monitoring
Benefits
JLL provides a comprehensive benefits package that includes a 401(k) plan with company match, medical, dental, and vision coverage, paid parental leave at 100 % salary, paid time off and holidays, and early access to earned wages through Daily Pay. The company also promotes a supportive culture that prioritizes mental, physical, and emotional well‑being. • Benefits include 401(k) match, medical/dental/vision coverage, paid parental leave, PTO, and Daily Pay.
Work Environment
Onsite