Job Title: High-Level Data Center Commissioning Technician
Location: LaGrange, GA (Must reside within 1 hour or be willing to relocate)
Duration: Full Time
Position Summary
We are seeking a senior-level Data Center Commissioning Technician with deep expertise in UPS systems, critical power infrastructure, and large-scale load testing. This is not a preventative maintenance or parts replacement role. This position requires a commissioning professional who can lead testing events, interface confidently with general contractors and clients, and execute high-risk power transitions in live environments.
The ideal candidate has completed multiple full data center commissioning projects, understands commissioning levels (L2 L5), and has hands-on experience executing MW-scale load bank testing and generator-to-UPS transfers under load.
Key Responsibilities
Lead and execute data center commissioning activities (Levels L2 L5)
Perform and oversee large-scale load bank testing (500kW to 1MW+)
Execute generator-to-UPS transfer testing under live load
Commission and validate parallel redundant UPS systems (N+1, 2N)
Perform static and maintenance bypass transitions without load disruption
Conduct closed-transition generator testing
Validate synchronization (voltage, frequency, phase alignment)
Commission lithium-ion and VRLA battery systems
Perform battery discharge testing and string balancing verification
Identify and troubleshoot DC ground faults and bypass events under load
Integrate UPS systems with BMS / EPMS platforms
Execute commissioning from approved MOPs; redline and update documentation
Ensure compliance with ISO, NFPA, and NEC standards
Enforce safety standards and stop work when unsafe conditions arise
Lead multi-stakeholder commissioning events ( EC, CxA, client)
Required Experience
5+ years of UPS field service experience
3+ years specifically in commissioning
Completion of at least 3 full data center commissioning projects
Experience executing load bank tests above 500kW (1MW+ preferred)
Experience with generator-to-UPS transfers under load
Experience working in live data center environments
Demonstrated ability to lead commissioning events
Required Technical Expertise
UPS Platforms (Must Have Experience with Multiple)
Eaton
Delta
Schneider Galaxy
Vertiv Liebert
Toshiba
Mitsubishi
Riello / Legrand Trimod
Power Systems Knowledge
Static bypass vs. maintenance bypass operation
Synchronization requirements (voltage, phase, frequency)
Break-before-make vs. make-before-break transitions
Wrap-around bypass systems
kVA to kW calculations (including 0.9 PF systems)
Load Banking & Testing
Cable sizing and Cam-Lok verification
Arc flash boundary understanding
Heat exhaust planning
Power Quality Analyzer (PQA) placement
Cooling capacity verification
Generator capacity validation
Battery Systems
Commissioning lithium-ion systems (Samsung SDI, Saft, Narada, etc.)
VRLA battery systems
Float voltage tolerances on 480V DC strings
String balancing verification
Discharge testing procedures
Leadership & Professional Competencies
Ability to lead under pressure in high-visibility environments
Confident communicator with contractors and clients
Strong decision-making during live power events
Willingness to stop testing if safety risks are identified
Highly detail-oriented with documentation and QA/QC
Documentation & Process Experience
Experience executing and redlining MOPs (Method of Procedure)
Familiarity with QA/QC documentation and test scripts
Experience preparing commissioning signoff packages
Knowledge of ISO / NFPA / NEC compliant environments
Preferred / Elite Experience (Highly Desired)
Commissioned parallel redundant UPS systems (N+1, 2N)
Closed-transition generator testing
Integration of BMS / EPMS during commissioning
Experience in Tier III or Tier IV data centers
Experience on multi-megawatt (MW) facilities
Travel
Travel required as needed for commissioning projects
Must be comfortable with regional or national travel
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