Senior System Administrator

Job Summary

Design, configure, and maintain enterprise on-premises and cloud infrastructure to ensure high availability, security, and business continuity.

Responsibilities

• Design, configure, and maintain on-premises and cloud servers, storage systems, and network devices to support enterprise IT operations
• Monitor and analyze performance metrics (CPU, memory, storage, network traffic) to ensure system availability and proactively resolve issues
• Implement and manage firewalls, access controls, security patches, and vulnerability remediation to protect IT infrastructure
• Oversee data backup solutions and conduct disaster recovery testing to ensure business continuity and data integrity

Required competencies and certifications

• Hands-on systems administration experience in medium-to-large enterprise environments
• Deep knowledge of Linux/Unix or Windows Server operating systems, virtualization technologies (VMware/Hyper-V), and cloud platforms (AWS/Azure)
• Strong understanding of TCP/IP, DNS, DHCP, routing, switching, and VPN protocols

Preferred competencies and qualifications

• Bachelor’s degree in Computer Science, Information Systems, or equivalent practical work experience

Other Information

Interested candidates who wish to apply for the advertised position, please email an updated copy of your resume.

Email Address: chrisshiew@hotmail.com

For candidates who apply for the advertised position, consent is deemed given to collect, use, or disclose personal information for purposes related to the services provided.