Assistant Electrical Manager

China Mobile International Limited; Hong Kong; On-site; HKD 700,000 - 1,100,000; Full time

Job summary

China Mobile International Limited is seeking an experienced Data Center Electrical Operations Manager to lead 24/7 monitoring, on-site diagnosis, and emergency response. You will coordinate a cross-functional team, optimize data center power distribution, and ensure compliance with maintenance standards.

The role requires a Bachelor’s in Electrical Engineering and 6+ years in data center facility operation, electrical system maintenance, and regulatory inspections.

Qualifications

• Bachelor’s degree in Electrical Engineering or a related field.
• 6+ years in data center facility operation and maintenance management.
• 6+ years of experience in electrical system maintenance and management.
• Ability to diagnose faults in data center electrical systems.
• Familiarity with bilingual technical documentation (Chinese/English) and CAD drawings.
• Strong coordination and on-site adaptability for emergency situations.

Responsibilities

• Monitor and analyze the overall operation status via DCIM/BMS/SCADA systems, respond to alarms 24/7, and coordinate on-site diagnosis.
• As on-site commander in emergencies, coordinate team resources to perform recovery per the EOP.
• Create and maintain knowledge base documents for on-site fault diagnosis and maintenance.
• Formulate electrical operation strategies including cabinet capacity control and PUE optimization.
• Perform technical reviews of major electrical maintenance actions and drills.
• Develop the annual electrical maintenance plan.
• Ensure availability and continuity of data center power distribution services within SLA.
• Respond to monitoring alarms or event tickets within specified time limits.
• Coordinate with facility managers, contractors, and suppliers to resolve on-site issues.
• Maintain accurate facility records in Chinese and English for audit readiness.
• Develop and update facility maintenance procedures to improve reliability.

Skills

Data center operation management

Fault diagnosis

Bilingual technical documentation (CN/

On-site coordination

Education

Bachelor’s degree in Electrical Engineering or relevant discipline

Tools

CAD

MS Office

Job description

• Monitor and analyze the overall operation status of the data center through the DCIM/BMS/SCADA system, respond to the alarms triggered by the data center systems 24/7 and coordinate the team members to conduct on-site diagnosis and analysis of the alarms.
• As the on-site commander in case of emergency, coordinate and command the resources within the team to perform emergency recovery operations according to the EOP document.
• Create a knowledge base document for on-site fault diagnosis and maintenance of the data center and assist in continuous optimization.

Job Responsibilities

• Formulation of Electrical Operation Strategies: Development of data center operation strategies, cabinet capacity control, PUE optimization strategies, etc.
• Technical Review: Technical review of major maintenance actions for electrical facilities, review of weekly/monthly reports, and review of annual data center drills and maintenance plans.
• Fault Handling and Analysis: Guidance on professional handling of severe and major faults, as well as post-incident fault analysis.
• Maintenance Plan: Development of the annual electrical maintenance plan.
• Responsible for the availability and continuity of the data center power distribution service indicators.
• Responsible for the service recovery of each system in the data center within the specified SLA time limit.
• Responsible for responding and diagnosing the monitoring alarms or event ticket of each system in the data center within the specified time limit.
• Ensure that the quality of various services provided by the team (such as inspection/fault diagnosis/emergency drills) meets the quality requirements in the SOW.
• Liaise closely with facility managers, contractors, and suppliers to coordinate resources and resolve on-site issues.
• Maintain accurate facility technical records (equipment manuals, maintenance logs, inspection reports) in both Chinese and English, ensuring compliance with audit requirements.
• Develop and update facility maintenance plans, optimizing procedures to enhance equipment reliability and service life.

Job Requirement

• Bachelor’s degree in Electrical Engineering or relevant discipline.
• More than 6 years of experience in data center facility operation and maintenance management, and more than 6 years of experience in Electrical system maintenance and management.
• Ability to diagnose faults in data center Electrical systems.
• Hold Registering Electrical Worker (B/C/H) is preferred.
• Familiarity with EMSD and FSD inspection processes and legal requirements, with experience in handling government approvals is a plus.
• Solid knowledge of electrical systems, proficient in the operation principles and maintenance standards of power distribution.
• Ability to read technical drawings (CAD plans), equipment manuals, and bilingual technical documents. Familiar with office software.
• Long-term engagement in related power professions with accumulated technical experience.
• Experience in the full process of data center design, construction, testing and acceptance, and operations.
• Possess data analysis capabilities to quantitatively monitor the operational status of the data center.
• Strong problem-solving and on-site adaptability, capable of independently diagnosing equipment faults and developing repair plans.