Sr. Electrical Building Engineer - Critical Environment

JLL•Spartanburg, SC

17h•Onsite

About The Position

As a Senior Electrical Building Engineer at JLL, you will serve as a critical technical leader responsible for the advanced electrical systems that power today's most demanding data center and critical facility environments. In this role, you'll take ownership of complex high-voltage electrical infrastructure, lead sophisticated troubleshooting initiatives, and provide technical mentorship to engineering teams. At JLL, we are collectively shaping a brighter way — for our clients, ourselves and our fellow employees, and your expertise will be essential in ensuring the reliability and performance of mission-critical electrical systems. You'll work with cutting-edge technology including medium voltage switchgear, advanced power distribution systems, and emergency backup infrastructure while serving as the go-to expert for the most challenging electrical engineering problems. This position combines hands-on technical work with leadership responsibilities, allowing you to drive both immediate operational excellence and long-term strategic improvements across our electrical infrastructure portfolio.

Requirements

Minimum 5 years of hands-on experience in data center or critical facility electrical systems operations
Advanced technical knowledge of electrical power systems including medium voltage distribution, transformers, and protective relaying systems
Demonstrated expertise with large-scale UPS systems (500kW+), emergency generators, and electrical switchgear operations
Strong analytical and problem-solving capabilities for diagnosing and resolving complex electrical infrastructure issues
Excellent verbal and written communication skills for creating technical documentation and delivering training programs
Physical ability to perform demanding work including walking, climbing, lifting 50+ pounds, and working on ladders up to 30 feet
Availability for emergency response calls and ability to work in high-pressure situations
NFPA 70E certification within 90 days of employment

Nice To Haves

Universal EPA 608 certification demonstrating environmental compliance expertise
Current electrical license or equivalent technical certification from recognized industry body
Bachelor's degree in Electrical Engineering or equivalent technical education and training
Hands-on experience with advanced power monitoring systems and energy management platforms
Proficiency with Corrigo CMMS or similar computerized maintenance management systems
Previous experience in technical leadership roles with responsibility for mentoring junior engineering staff

Responsibilities

Lead maintenance and operations of complex electrical infrastructure including medium voltage switchgear, primary electrical distribution, transformers up to 15kV, and paralleling switchgear systems
Perform advanced diagnostics and root cause analysis on UPS systems, automatic transfer switches, static transfer switches, and power distribution units to ensure maximum uptime
Execute sophisticated electrical testing procedures including relay testing, power quality analysis, and comprehensive arc flash studies
Serve as the escalation point for Level 1 and Level 2 electrical issues requiring advanced technical expertise and critical thinking
Lead emergency response procedures for critical electrical system failures, coordinating cross-functional teams to restore operations quickly
Analyze power system performance data and implement optimization strategies that enhance efficiency and reliability
Ensure strict compliance with NFPA 70E electrical safety standards and maintain company arc flash protocols across all operations
Provide technical oversight and management of electrical contractor work, ensuring quality standards and safety requirements are met
Conduct electrical safety training sessions for junior staff and contractors, fostering a culture of safety excellence