Sen. Network Engineer

Yau Lee Holdings Limited; Hong Kong; On-site; HKD 420,000 - 640,000; Full time

Job summary

Yau Lee Holdings Limited is seeking an IT Infrastructure Administrator to oversee on-prem Exchange servers, Nutanix HCI, and cloud environments. You will design, implement, and monitor critical systems, perform automation with PowerShell, and ensure business continuity across hybrid deployments.

Ideal candidates have 3+ years in Exchange admin and cloud management, strong networking knowledge, and be able to work in Hong Kong on-site. Strong problem-solving and communication skills are essential.

Qualifications

• Bachelor’s degree in Computer Science, Information Technology, or a related discipline.
• 3+ years hands-on experience with on-premises Exchange and cloud infrastructure.

Responsibilities

• Administer and monitor on-prem Microsoft Exchange, ensuring email delivery, data protection, high availability, DR planning and peak performance.
• Maintain Nutanix HCI environment, perform health checks, VM lifecycle tasks, and firmware upgrades via Prism Central/Element.
• Manage and optimize cloud infra on Alibaba/Tencent Cloud (ECS, RDS, WAF, Anti-DDoS) and related resources.
• Develop PowerShell scripts to automate routine admin tasks and monitoring workflows.
• Configure and troubleshoot enterprise network gear (routers, switches, firewalls) for secure connectivity.
• Oversee system monitoring, incident root-cause analysis, backups, and disaster recovery across hybrid environments.

Skills

PowerShell

Exchange On-Prem

Nutanix

VMware ESXi

Alibaba Cloud

Tencent Cloud

Networking

SLA & DR planning

Education

Bachelor’s degree in Computer Science/IT or related

Tools

Nutanix Prism Central/Element

VMware ESXi

Alibaba Cloud

Tencent Cloud

Job description

Email & Exchange Administration: administration, monitor, and maintain on-premises Microsoft Exchange servers to ensure email delivery, data protection, high availability, DR site , Continuity Planning and peak system performance.

Nutanix HCI & Virtualization Management: administration and maintain Nutanix Hyper-Converged Infrastructure (HCI), including cluster health monitoring, storage container management, VM lifecycle management, and performing system/firmware upgrades via Nutanix Prism Central/Element and LCM.

Cloud Infrastructure Management: Manage and optimize cloud environments on Alibaba Cloud and/or Tencent Cloud, maintaining services such as ECS, RDS, RAM, Anti-DDoS, WAF, Alibaba Mail. and associated cloud resources.

Automation & Scripting: Develop, maintain, and execute PowerShell scripts to automate routine system administration tasks, monitoring alerts, and operational workflows.

Network Infrastructure & Security: Configure, maintain, and troubleshoot enterprise network hardware, including routers, switches, firewalls, and security appliances, ensuring secure and seamless connectivity.

System Monitoring & Disaster Recovery: Perform continuous infrastructure monitoring, root-cause analysis for technical incidents, backup management, and disaster recovery planning across hybrid environments.

Requirements

Education & Experience: Bachelor’s degree in Computer Science, Information Technology, or a related discipline, with 3+ years of hands‑on On-premise Exchange email system and cloud infrastructure.

Core Technical Skills

Demonstrated proficiency in Microsoft Exchange (On-Premises) administration and troubleshooting.

Practical experience managing HCI environments (Nutanix , VMware ESXi).

Hands‑on administration of public cloud platforms, specifically Alibaba Cloud or Tencent Cloud (ECS, RDS, WAF, Anti‑DDoS).

Solid understanding of core networking principles (TCP/IP, VLANs, routing, switching, firewall administration).

Strong PowerShell scripting abilities for automation and systems management.

Certifications (Advantageous): Nutanix Certified Professional (NCP), Microsoft Certified Systems Administrator/Engineer, or Alibaba Cloud / Tencent Cloud certifications.

Soft Skills

Strong problem-solving mindset, good communication skills, and the ability to manage technical incidents independently.

We offer competitive remuneration package with comprehensive fringe benefits to the right candidates.

Yau Lee Holdings Limited (The Group), a green integrated corporation, went public in 1991. Based on the solid foundation of conventional experience, Yau Lee Construction Company Limited was founded earlier in 1958 and gradually developed into one of the Hong Kong’s largest consortia in building construction, precast and low carbon building materials manufacturing and trading, E&M services, plumbing and drainage works, green building and energy optimization solutions, construction IT solutions, virtual design & construction implementation, curtain wall and steel works and property & hotel development.

Carry the same corporate culture, belief and practice, the Group and subsidiaries always strive for excellence to improve construction productivity and buildability as well as sustainability. We think green, practice green, act green and aim to provide a green living to our society and the world.

Yau Lee Holdings Limited (The Group), a green integrated corporation, went public in 1991. Based on the solid foundation of conventional experience, Yau Lee Construction Company Limited was founded earlier in 1958 and gradually developed into one of the Hong Kong’s largest consortia in building construction, precast and low carbon building materials manufacturing and trading, E&M services, plumbing and drainage works, green building and energy optimization solutions, construction IT solutions, virtual design & construction implementation, curtain wall and steel works and property & hotel development.

Carry the same corporate culture, belief and practice, the Group and subsidiaries always strive for excellence to improve construction productivity and buildability as well as sustainability. We think green, practice green, act green and aim to provide a green living to our society and the world.