Senior IT Systems Administrator: Reliability & Security

CL Technical Services Ltd.; Hong Kong; On-site; HKD 300,000 - 500,000; Full time

Job summary

CL Technical Services Ltd. in Hong Kong seeks an IT Service Desk & System Administrator to ensure system availability and maintenance across mission-critical environments.

You will support, implement, upgrade and QA IT systems while coordinating with internal teams and external vendors in Wan Chai. The role requires 4+ years IT experience, with hands-on system implementation exposure, solid IT security knowledge, and strong documentation skills.

Qualifications

• Higher Diploma/Associate/Bachelor's degree or above in IT, CS or related discipline.
• Minimum 4 years of post-qualification IT experience, including at least 1 year in system implementation projects.
• Minimum 2 years in IT Security, Network Design & Administration, SAN.
• Strong analytical, problem-solving and documentation skills.
• Experience with large-scale, mission-critical IT systems preferred.
• Experience managing outsourced system support operations and vendor coordination preferred.

Responsibilities

• Ensure high system availability and comply with service levels.
• Provide ongoing system support, maintenance, troubleshooting, and enhancements.
• Participate in system implementation, upgrades and QA activities.
• Collaborate with infrastructure teams, external vendors and contractors to deliver services.
• Identify requirements and prepare technical specs for procurement of hardware/software.
• Monitor system performance and propose improvements for reliability, security, efficiency.
• Support IT security initiatives and ensure policy compliance.
• Assist in managing outsourced support and coordinating issue resolution.

Skills

IT Security

Network Design

SAN

Documentation

Problem Solving

System Implementation

Education

Higher Diploma/Associate/Bachelor's in IT

Job description

CL Technical Services Ltd. in Hong Kong seeks an IT Service Desk & System Administrator to ensure system availability and maintenance across mission-critical environments.

You will support, implement, upgrade and QA IT systems while coordinating with internal teams and external vendors in Wan Chai. The role requires 4+ years IT experience, with hands-on system implementation exposure, solid IT security knowledge, and strong documentation skills.