Senior IT Support Officer

AcWise Recruitment Limited; Hong Kong; On-site; HKD 180,000 - 360,000; Full time

Job summary

AcWise Recruitment Limited is seeking an IT Systems Administrator in Hong Kong. The role focuses on managing regional network communications and data hub devices, maintaining Windows and Linux servers, and implementing operating system installations and configurations.

You will patch MS services, strengthen security, and define monitoring for infrastructure readiness. A strong background in cybersecurity, IDS/IPS, proxies, and SIEM is required, with CCNP/CISSP/CISM or MCITP preferred.

Qualifications

• 3+ years hands-on experience in Windows/Linux server administration.
• Strong TCP/IP, SNMP, Citrix, VMware, Linux, VPN, and Active Directory knowledge.
• Experience in cybersecurity, IDS/IPS, proxy and SIEM.
• CCNP, CISSP, CISM and MCITP Enterprise Administrator preferred.
• Self-starter with good analytical, problem-solving and interpersonal skills.

Responsibilities

• Manage & maintain regional network communications & devices of data central hub
• Administer preventive maintenance to Windows/Linux servers
• Install, upgrade and configure operating systems of Win/Linux
• Apply MS services patches and configure/strengthen systems security
• Define and implement network/infra-structure security activities
• Perform active SOC function to monitor IT environment security
• Define and implement monitoring systems to assure infra-structure readiness / healthiness

Skills

System administration

Windows

Linux

Networking

Education

Higher Diploma in IT

Tools

TCP/IP

SNMP

Citrix

VMware

Linux

VPN

Active Directory

Firewall

Job description

• Manage & maintain regional network communications & devices of data central hub
• Administer and apply any preventive maintenances to Windows/Linux servers
• Install, upgrade and configure operating systems of Win/Linux
• Apply MS services patches and to configure/strengthen systems security
• Define and implement network/infra-structure security activities
• Perform an active SOC function to monitor IT environment security
• Define and implement monitoring systems in assuring infra-structure readiness / healthiness

Requirements:

• Higher diploma or above in information technology or related disciplines
• 3+ years of hand-on experience in system administration on Windows and networks supports
• Sound knowledge in TCP/IP; SNMP, Citrix; VMware, Linux, VPN, MS Active Directory; Firewall management
• Experience in cybersecurity, IDS/IPS, proxy and SIEM environment
• Knowledge in CISCO products in an advantage
• Holder of CCNP, CISSP, CISM and MCITP Enterprise Administrator is preferred
• Self-starter with good analytical, problem-solving and interpersonal skills