Senior System Administrator: Cloud & VMware Expert

Career Horizons; Petaling Jaya; On-site; MYR 60,000 - 90,000; Full time

Job summary

Career Horizons is seeking a Senior System Administrator (L2) in Malaysia to manage servers, virtual systems, and cloud platforms, ensuring stability through proactive maintenance and monitoring. You will oversee VMware, Active Directory, Microsoft 365, and security tooling while coordinating with external vendors for critical fixes.

The role requires strong L2 support experience, independent troubleshooting, and basic networking knowledge.

Qualifications

• Strong IT infrastructure knowledge with at least L2 support experience.
• Good knowledge of VMware, Active Directory, cloud platforms, and server administration.
• Experience with Microsoft 365, Okta, ManageEngine, and endpoint security tools such as SentinelOne is an advantage.
• Basic understanding of networking and firewalls.
• Able to troubleshoot complex technical issues and manage systems independently.
• Relevant IT certifications are an advantage but not compulsory.

Responsibilities

• Manage and maintain servers, backend systems, and IT infrastructure.
• Administer VMware, Active Directory, cloud platforms, and Microsoft 365.
• Manage identity management, endpoint security, and system monitoring tools.
• Monitor system performance, perform upgrades, and plan hardware and system replacements.
• Troubleshoot complex technical issues and provide higher-level IT support.
• Work with external vendors to resolve technical issues and maintain system stability.
• Ensure IT systems remain secure, reliable, and up to date.
• Support basic networking and firewall-related issues when needed.

Skills

IT infrastructure

L2 support

Troubleshooting

Vendor coordination

Tools

VMware

Active Directory

Cloud platforms

Microsoft 365

Okta

ManageEngine

SentinelOne

Job description

Career Horizons is seeking a Senior System Administrator (L2) in Malaysia to manage servers, virtual systems, and cloud platforms, ensuring stability through proactive maintenance and monitoring. You will oversee VMware, Active Directory, Microsoft 365, and security tooling while coordinating with external vendors for critical fixes.

The role requires strong L2 support experience, independent troubleshooting, and basic networking knowledge.