Senior Manager Infrastructure Technical Support

Spinnaker IT Limited; Hong Kong; On-site; HKD 1,200,000 - 1,800,000; Full time

Job summary

Spinnaker IT Limited is recruiting a Senior Manager Infrastructure Technical Support for a major local bank in Hong Kong. The role oversees a team responsible for Windows Server, AD, Exchange, Azure, 365, and related technologies to ensure reliable, secure, and high-performance infrastructure.

You will lead a mid-sized team, drive incident/problem management, change coordination, and vendor partnerships, with a focus on capacity planning, DR readiness, and cross-functional collaboration.

Qualifications

• Bachelor’s degree in computer science or related discipline.
• 10+ years of system administration experience with 5+ years of people management.
• Strong hands-on experience with Microsoft Azure, Microsoft 365, Windows Server, AD, and Exchange; SCCM and GPO a plus.
• Good knowledge of VMware virtualization (including Sangfor), and related technologies.
• Familiarity with Enterprise Vault, OceanFax, Omnissa Boxer, and monitoring tools.

Responsibilities

• Lead and mentor a team of infrastructure specialists; manage task allocation and performance.
• Coordinate cross-functional collaboration and act as escalation point for complex issues.
• Oversee governance of Windows servers, AD, DNS, DHCP, NTP, and GPO management; ensure Azure/365 integration.
• Oversee Exchange (on‑premises/online), email archiving, and SMTP gateway operations.
• Manage mobile devices BYOD/CYOB deployments and secure access.
• Oversee monitoring tools, CMDB, and SCCM; ensure virtualization performance and lifecycle management.
• Oversee patching, upgrades, and lifecycle management of hardware/software.
• Coordinate DR planning, backup monitoring, and DR tests; ensure recoverability.
• Lead incident and problem management; perform root-cause analysis and preventive actions.
• Coordinate changes across virtualization and 365 services; liaise with vendors for procurement and support.

Skills

Leadership

People management

Vendor management

Stakeholder management

Cloud platforms

Windows Server

Active Directory

Exchange

VMware

SCCM

Group Policy Objects

Security/compliance

Incident management

Change management

Education

Bachelor’s degree in Computer Science or related discipline

Tools

VMware

SCCM

ServiceNow CMDB

Job description

Senior Manager Infrastructure Technical Support

Our client is a major local bank. They are looking for a talented calibre to manage their common infrastructure team as a senior manager with rich experiences in team lead, supporting windows and VMWare. This team is responsible for the operation, administration, and support of Windows Server, Active Directory, Exchange Email, Microsoft Azure, Microsoft 365 and related technologiesto ensure infrastructure reliability, stabliity with high performance and policy compliance.

Key Responsibilites

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.

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

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

Manage mobile device platforms and BYOD/CYOB deployments to ensure secure access.

Manage and support system monitoring tools, ServiceNow CMDB, and SCCM

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.

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.

Requirements

Bachelor’s degree in computer science or equivalence in Computer Science, Information Technology, Electronic Engineering or a related discipline

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 with some experiences on SCCM and Group Policy Objects (GPO) will be a plus.

Good knowledge of VMware virtualization environments, including administration, maintenance, performance tuning, and troubleshooting. Experiences on Sangfor virtualization would be a plus.

Familiarity with Enterprise Vault, OceanFax, and Omnissa Boxer administration and support are also a plus.

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

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

Strong leadership and vendor management skills

Ability to manage multiple priorities, meet deadlines, and good pressure management.

Strong leadership, communication, and stakeholder management skills, with solid experiences in collaborating effectively with cross-functional teams, business users, vendors, and senior management.

Solid understanding of IT infrastructure components, platforms, and security-related technologies

Willing to work flexible hours, including evenings on weekdays and overnight shifts on weekends, to support critical system changes

In-depth knowledge of service management practices, covering incident handling, problem resolution, change coordination, and release processes

Professional certifications such as Microsoft certifications (e.g., MCSA, MCSE), VMware, ITIL, and/or a relevant academic degree are preferred