Electrical Commissioning Engineer (UPS & Battery Systems)

Electrical Commissioning Engineer (UPS & Battery Systems)

To lead the installation, integration, and commissioning of UPS systems and lithium-ion battery cabinets for a critical power / data center project. This role covers the full lifecycle, from equipment verification and mechanical installation through energization, functional testing, and Level 3 - 5 commissioning support.

Key Responsibilities:

• Oversee transport, positioning, and floor anchoring of UPS units, I/O cabinets, and battery modules
• Verify delivered equipment against approved Bill of Materials (BOM); report discrepancies before work begins
• Perform I/O Cabinet integration with UPS systems, including busbar connections, control wiring, and communication interfaces per drawings and manuals
• Terminate battery power cables, input/output flanges, cable glands, and protective earth connections

Battery System Work

• Conduct pre-installation inspection of battery modules (visual checks, serial verification, voltage measurement, impedance testing)
• Perform battery balancing using approved charging/discharging kits
• Interconnect battery modules, assemble fuse kits, and verify torque values per specifications
• Check for abnormal voltage deviations across battery modules and strings

Startup & Commissioning

• Execute startup and energization of UPS and battery systems per procedures
• Update UPS firmware to the latest approved version
• Verify system operation across Normal, Static Bypass, Maintenance Bypass, and Battery modes
• Perform functional and transfer testing; confirm output voltage, waveform, and system parameters are within spec
• Deliver standard Startup Reports and consultant-approved Level 3 (L3) reports

Testing & On-Site Support

• Support Level 4 testing: 4-hour burn-in tests, battery autonomy verification, performance data collection via UPS HMI and power analyzer
• Provide standby technical support during Level 5 testing, including fault analysis, troubleshooting, and corrective action recommendations

Qualifications and Experience:

• Proven experience with UPS installation and/or commissioning
• Familiarity with lithium-ion battery systems, torque specifications, and electrical testing procedures
• Ability to read and work from engineering drawings, wiring diagrams, and installation manuals
• Experience with L3-L5 commissioning documentation and reporting
• Strong understanding of electrical safety practices in critical power environments

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Electrical Commissioning Engineer (UPS & Battery Systems)

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