职位空缺
提交简历

Senior System Administrator (HK$50K - $60K+) (Ref. No.: 27332)

Our client, a public sector is looking for high-calibre person to fill the position.

工作职责

  • Design, implementation, testing, deployment, support and maintenance of email system with internal and central services
  • Review and improve AD infrastructure, DNS and related platforms; maintain and tune Directory Services, DNS and server clustering for reliability and performance.
  • Administer multi forest / domain AD environments and perform daily operational checks to verify system integrity and availability.
  • Design, deploy and troubleshoot enterprise Group Policy Objects (GPOs).
  • Build and maintain test environments for change validation and rollout.
  • Create, maintain and run automation scripts (PowerShell and others) to streamline routine support tasks and upgrades.
  • Monitor AD and Windows server health using custom and commercial monitoring tools; respond to alerts to avoid service impact.
  • Lead server patch management, resource optimization and Windows Server upgrades.
  • Support security activities including Security Risk Assessment & Audit (SRAA) and collaborate with security teams to apply controls.
  • Assist with IT project coordination and vendor management; prepare required deliverables and liaise with stakeholders.
  • Perform other duties as assigned; demonstrate initiative, ability to work under pressure and to manage multiple tasks.

工作要求

  • Minimum 4 years post qualification IT experience, including at least 1 year in a similar role supporting enterprise AD / Windows environments.
  • At least 4 years hands on experience in Microsoft Active Directory implementation, management, support and upgrade.
  • At least 4 years hands on experience with enterprise DNS, GPOs and cross forest / domain AD support.
  • Hands on experience with Microsoft Windows Server platforms (2008/2012/2016/2019/2022).
  • Experience in Security Risk Assessment & Audit (SRAA) activities.
  • Strong understanding of core networking and DNS principles, server clustering, Distributed File System (DFS) and virtualization technologies.
  • Proven experience with server monitoring tools and operational incident response.
  • Experience in private cloud environment is preferrable
  • Good command of spoken and written English.
职位编号:
27332
日期:
19/03/2026
工作类别:
资讯科技 / 电讯
薪金范围:
HKD $50 - 60K +
学历要求:
Non-Degree Tertiary
联络电邮:
[email protected]

取消立即申请