Active Directory & Security Infrastructure Lead

CL Technical Services Ltd.; Sha Tin; On-site; HKD 50,000 - 61,000; Full time

Job summary

CL Technical Services Ltd. is seeking an Active Directory & Security Analyst / Infrastructure Specialist to administer AD DS, manage vulnerability assessments, and coordinate security initiatives across IT infrastructure.

The role requires 5+ years of relevant experience, a solid AD DS background, and strong collaboration skills to work with cross-functional teams and external vendors. Candidates should have a security-focused mindset and the ability to prepare management reports.

Qualifications

• Bachelor's degree in Computer Science, Information Technology, Information Security, or a related discipline.
• Minimum 5 years of experience in system analysis, IT infrastructure support, system administration, or security operations.
• Hands-on experience in Active Directory Domain Services (AD DS) administration, maintenance, and troubleshooting.
• Experience with vulnerability management and remediation coordination, including scanning and testing tools.

Responsibilities

• Administer, maintain, and support Active Directory Domain Services (AD DS).
• Manage end-to-end vulnerability assessment activities and remediation coordination.
• Analyze vulnerability reports and distinguish genuine risks from false positives.
• Coordinate infrastructure security initiatives with system owners, support teams, and vendors.
• Plan Windows platform migration projects with minimal service disruption.
• Schedule and track security audits for servers, networks, and applications.

Skills

AD DS administration

Vulnerability management

Security auditing

Windows Server

Migration projects

Project management

Stakeholder coordination

Technical communication

Education

Bachelor's degree in Computer Science / IT / Information Security

Tools

Vulnerability scanning tools

SAST/DAST tools

Job description

CL Technical Services Ltd. is seeking an Active Directory & Security Analyst / Infrastructure Specialist to administer AD DS, manage vulnerability assessments, and coordinate security initiatives across IT infrastructure.

The role requires 5+ years of relevant experience, a solid AD DS background, and strong collaboration skills to work with cross-functional teams and external vendors. Candidates should have a security-focused mindset and the ability to prepare management reports.