About The Role

The UPS Commissioning Specialist will be responsible for supporting the installation, integration, start-up, testing, and commissioning of UPS systems and associated battery cabinets on site.

Key responsibilities include

Verify delivered UPS equipment, I/O cabinets, battery modules, and accessories against the approved Bill of Materials
Report any missing, damaged, or non-compliant items before work starts
Support the integration of I/O cabinets with UPS systems, including busbar connections, control wiring, and communication interfaces
Carry out UPS and battery cabinet anchoring, installation, and cable termination activities
Perform battery module inspections, including visual checks, serial number verification, voltage measurement, and impedance testing
Record and maintain test results for project documentation
Perform battery balancing and interconnection of battery modules when required
Connect control and communication cables in line with approved wiring diagrams
Perform UPS start-up and energization activities
Update UPS firmware where applicable
Verify UPS operation in Normal Mode, Static Bypass Mode, Maintenance Bypass Mode, and Battery Mode
Perform functional tests and confirm system performance
Verify UPS output voltage, waveform, battery voltages, alarms, and operating parameters
Prepare and provide start-up, post-charging, and testing reports
Support Level 4 and Level 5 testing activities, including monitoring, troubleshooting, fault analysis, and technical recommendations
Proven experience in UPS installation, testing, start-up, and commissioning
Strong knowledge of UPS systems, battery cabinets, lithium battery modules, control wiring, and communication interfaces
Experience with battery inspections, voltage measurements, impedance testing, battery balancing, and post-charging verification
Ability to read and work from engineering drawings, wiring diagrams, installation manuals, and approved test procedures
Experience supporting functional testing, burn-in tests, battery autonomy tests, and commissioning validation
Strong troubleshooting skills and ability to respond to alarms or abnormal operating conditions
Good reporting discipline and ability to prepare technical documentation and test records
Strong HSE awareness and ability to work safely on electrical systems
Fluent English is required
Location: Khazna Site – Ajman, United Arab Emirates
Working schedule: Resident, 6 days per week / rotation 4x1
Start date: 1 October 2026
Duration: 6 months
Sector: Electrical / UPS / Commissioning