Senior AD & Windows Infrastructure Lead — Automation & Security

Global Executive Consultants Ltd.; Hong Kong; Presencial; HKD 558.000 - 669.600; Jornada completa

Descripción de la vacante

A leading recruitment firm in Hong Kong is seeking a Senior System Administrator to design, implement, and maintain critical IT systems. Candidates should have a minimum of 4 years of IT experience with expertise in Microsoft Active Directory and server management. The role includes monitoring server health, leading patch management, and coordinating IT projects. Applicants must possess strong networking principles and command of English. Competitive salary offered with additional responsibilities in security assessments.

Formación

• Minimum 4 years IT experience, including 1 year in a similar role.
• Hands on experience with Microsoft Active Directory management.
• Experience in Security Risk Assessment & Audit activities.
• Good command of spoken and written English.

Responsabilidades

• Design and maintain email system connectivity and support.
• Administer multi forest/domain AD environments.
• Monitor server health and respond to alerts.
• Lead server patch management and upgrades.
• Assist with IT project coordination and vendor management.

Conocimientos

Microsoft Active Directory

Server monitoring tools

PowerShell scripting

Security Risk Assessment

Strong networking principles

Virtualization technologies

Herramientas

Microsoft Windows Server

DNS

Group Policy Objects

Descripción del empleo

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

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

Job Duties

• 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.

Job Requirements

• 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.