Senior Manager, Technical Support (Team Lead)

Dah Sing Financial Group; Hong Kong; On-site; HKD 900,000 - 1,200,000; Full time

Job summary

Dah Sing Financial Group in Hong Kong seeks a Senior Manager, Technical Support (Team Lead) to lead a team of VMware and Windows system administrators, ensuring stability, security, and continuous improvement of core infrastructure services.

The role covers Windows Server, Active Directory, Exchange, Azure, Microsoft 365, virtualization, and related tech; responsible for governance, DR, incident management, and coordinating with vendors to deliver reliable digital workplace solutions.

Qualifications

• Bachelor’s degree in IT or a related field.
• Microsoft certifications (MCSA/MCSE) and/or VMware certifications preferred.
• ITIL certification is a plus.
• Minimum 10 years of system administration with 5+ years in people management.
• Strong hands-on experience with Azure, Microsoft 365, AD, Exchange, SCCM, GPO, and file services.

Responsibilities

• Lead and mentor a team of infrastructure specialists.
• Coordinate cross-functional collaboration and act as escalation point for complex issues.
• Oversee Windows Server/AD/DNS/DHCP/NTP and GPO management.
• Ensure Azure, 365, and Teams integration and security compliance.
• Manage monitoring tools (Netgain), CMDB (ServiceNow), and SCCM operations.
• Oversee virtualization (VMware 8.0, Sangfor HCI) and lifecycle planning.
• Drive disaster recovery procedures and annual drills.
• Liaise with vendors for procurement, deployment, and ongoing support.

Skills

Leadership

Vendor management

Communication

Problem solving

Project coordination

Education

Bachelor’s degree in Information Technology or related field

Microsoft certifications (MCSA/MCSE) and/or VMware certifications

ITIL certification is a plus

Tools

VMware

Sangfor HCI

Windows Server

Active Directory

Exchange

Azure

Microsoft 365

SCCM

ServiceNow CMDB

Netgain

DNS/DHCP/NTP

GPO

BizTalk

Veritas Email Archiving

Ocean-Fax

Omnissa Boxer

Cisco IronPort

Job description

Senior Manager, Technical Support (Team Lead)

Lead and manage a team of VMware and Windows system administrators, ensuring the stability, security, performance, and continuous improvement of core infrastructure services.

This role is responsible for the operation, administration, and support of Windows Server, Active Directory, Exchange Email, Microsoft Azure, Microsoft 365, virtualization platforms, and related technologies. The position also oversees policy compliance, drives system integration initiatives, and delivers digital workplace solutions to support business objectives, operational excellence, and service reliability.

Main Responsibilities

Lead and mentor a team of infrastructure specialists, ensuring effective task allocation, performance management, and skills development.

Coordinate cross-functional collaboration and act as the escalation point for complex technical issues.

System & Directory Services Governance

Supervise the administration of Windows servers and Active Directory services, including DNS, DHCP, NTP, and GPO management.

Oversee certificate lifecycle and support for specialized platforms such as Microsoft BizTalk (HIS).

Ensure stability and integration of Microsoft Azure, Microsoft 365, and Microsoft Teams services.

Oversee Microsoft Exchange (on-premises/online), Veritas Email Archiving, and Cisco IronPort SMTP gateway operations.

Manage mobile device platforms (Omnissa Boxer) and BYOD/CYOB deployments to ensure secure access.

Supervise E-Fax (Ocean-Fax) and file server services, ensuring availability and access control.

Manage and support system monitoring tools (Netgain), ServiceNow CMDB, and SCCM, including configuration, maintenance, reporting, and troubleshooting to support infrastructure operations.

Oversee virtualization (VMware 8.0, Sangfor HCI), ensuring performance, capacity planning, and lifecycle management.

Patch and Upgrade

Oversee software patching and upgrade activities across infrastructure components to address end-of-support and security vulnerabilities.

Ensure timely replacement or upgrade of legacy hardware and software to maintain vendor support and system reliability.

Identify, track, and remediate issues discovered during vulnerability assessments and System Acceptance Testing (SAT), ensuring timely resolution and successful implementation.

Governance & Reporting

Develop, review, and maintain policies, procedures, and documentation related to the team's areas of responsibility to ensure compliance, consistency, and operational excellence.

Disaster Recovery & Resilience

Oversee the setup and monitoring of backup jobs for virtualization infrastructure to ensure data protection and recoverability.

Maintain and regularly review disaster recovery (DR) procedures.

Coordinate and support DR system activation during annual drills or as required.

Incident & Problem Management

Lead the team in resolving infrastructure‑related incidents, conducting root cause analysis, and implementing preventive and corrective actions to improve system reliability.

Project & Change Management

Coordinate infrastructure changes across virtualization platforms and Microsoft 365 cloud services, ensuring minimal disruption, operational stability, and alignment with business requirements.

Liaise with vendors on the procurement, implementation, maintenance, and ongoing support of hardware and software solutions, ensuring service quality and cost effectiveness.

Education & Certification

Bachelor’s degree in Information Technology, Computer Science, or related field.

Microsoft certifications (e.g., MCSA, MCSE) and or VMware certifications preferred

ITIL certification is a plus.

Work Experience

Minimum 10 years of experience in system administration, including at least 5 years of people management experience leading a mid‑sized team (5-7 staff), with a proven track record of managing enterprise infrastructure environments.

Strong hands‑on experience with Microsoft Azure, Microsoft 365, Windows Server, Active Directory (AD), Microsoft Exchange, SCCM, Group Policy Objects (GPO), and file services.

Good knowledge of VMware and Sangfor virtualization environments, including administration, maintenance, performance tuning, and troubleshooting.

Familiarity with Enterprise Vault, OceanFax, and Omnissa Boxer administration and support.

Experience with ServiceNow CMDB and NetGain monitoring tools, including configuration, maintenance, reporting, and operational support.

Solid understanding of system security, vulnerability management, patching, and regulatory compliance requirements.

Strong vendor management skills, including contract coordination, service delivery oversight, and relationship management.

Strong leadership, communication, and problem‑solving skills, with the ability to lead teams and drive operational excellence.

Ability to manage multiple priorities, meet deadlines, and perform effectively in a fast‑paced, high‑pressure environment.

Strong leadership, communication, and stakeholder management skills, with the ability to lead teams and drive operational excellence.

Excellent interpersonal skills and the ability to collaborate effectively with cross‑functional teams, business users, vendors, and senior management.

Strong analytical, troubleshooting, and problem‑solving skills, with the ability to resolve complex infrastructure issues.

Ability to prioritize tasks, manage multiple projects simultaneously, and meet deadlines in a fast‑paced environment.

Detail‑oriented with a structured and methodical approach to system administration and service management.

Proactive, self‑motivated, and committed to continuous learning and professional development.

Ability to perform effectively under pressure while maintaining a high standard of service quality and operational reliability.

Please note that only shortlisted candidates will be notified