Electrical Commissioning Engineer; UPS & Battery Systems
Job Description & How to Apply Below
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
- 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
- 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
- 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
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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