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China Mobile Hong Kong Company Limited

Senior System Administrator/Assistant System Operation and Maintenance Manager

Posted Updated
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In this position, you will:
  • Coordinate the strategic planning and deployment of IT PaaS resource pools and manage SaaS-layer application operations, develop and continuously optimize operational standards, and enhance service delivery processes.
  • Oversee the operations and maintenance of SaaS-layer public applications while driving continuous improvements in infrastructure service capabilities and operational process optimization.
  • Coordinate office system planning and implementation, establish daily operational standards, and develop employee account access management and VPN security policy frameworks.
  • Manage office Active Directory domain operations and enterprise endpoint devices, execute system patch management and vulnerability remediation, and establish rapid incident response protocols for security events.
  • Manage NGCS and ITSR work order approvals and process optimization while establishing comprehensive ticketing system standards.
  • Drive the development of AI-powered intelligent operations capabilities for public capacity management, optimize operational processes, and enhance overall management efficiency.
To be successful in this position, you should meet the following requirements:
  • Bachelor’s degree or above in Computer Science, Software Engineering, or related fields preferred.
  • Professional certifications in IT service management, system operations and maintenance, or information security are preferred, such as ITIL or PMP.
  • 5+ years of relevant experience, including at least 3 years in enterprise IT system operations and maintenance or technical support roles.
  • Proficient in at least one programming language such as Java/Python/Go, with demonstrated ability to develop and test automated operations and maintenance tools.
  • Proficient in managing public capacity systems including CMDB, DNS, SSL, and enterprise email systems.
  • Proficient in security hardening for mainstream servers and operating systems including Linux, Unix, and Windows; experienced in virtualization and container technology operations, maintenance and planning; capable of developing automated scripts in Shell and Python.
  • Skilled in leveraging mainstream AI tools to drive automation and intelligence in operations and maintenance workflows.

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