Senior Linux Systems & Networking Engineer

QUESSCORP SINGAPORE PTE. LTD.

Singapore

On-site

SGD 70,000 - 110,000

Full time

3 days ago

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Job summary

QUESSCORP SINGAPORE PTE. LTD is seeking an IT Systems Engineer to manage Linux-based servers, ensure high availability, security, and performance. You will oversee virtualization, network devices, and data center operations to keep services running smoothly.

The role requires hands-on experience with VMware/KVM, Unix/Linux infra, and strong problem solving. On-call availability and collaboration with IT teams are expected to implement upgrades and maintain thorough documentation.

Qualifications

4+ years of IT systems engineering experience in Linux environments.
Degree/Diploma/ITE in Computer Science/IT or related field.
Strong knowledge of networking: switching, routing, firewalls.
Experience with virtualization: VMware, KVM, FusionCompute.
Unix/Linux infrastructure maintenance for 24x7 uptime.

Responsibilities

Manage and maintain servers for high availability, security, and performance.
Oversee virtualization technologies including hypervisors and VMs.
Configure and manage network switches, routers, and firewalls for secure data flow.
Implement and maintain security measures including firewalls and IDS/IPS.
Monitor and optimize system performance in line with security policies.