Unix Systems engineer

Systems Engineer - Unix/Linux Role Summary

Unix/Linux Systems Engineer responsible for administration and support of a 24×7 enterprise IT environment .

Focus on Unix/Linux infrastructure, troubleshooting, patching, incident management, and service continuity .

Key Responsibilities 1. Unix/Linux Administration

Manage day-to-day administration of: Unix/LinuxSolarisRed HatAIXSUSE

Provide L1/L2 operational support for enterprise infrastructure.

Deploy packages, patches, and bug fixes across Test, Pre-Prod and Production .

2. Troubleshooting & Incident Management

Troubleshoot server and application issues.

Perform Root Cause Analysis (RCA) .

Respond to incidents, security alerts and escalations.

Provide temporary/permanent resolutions and timely status updates.

Troubleshoot third-party infrastructure applications and coordinate with vendors.

3. Clustering - Important

Strong hands-on experience with: Red Hat ClusteringOracle Solaris Clustering

4. Change & Service Management

Manage changes through formal Change Request / Change Management processes.

Ensure SLAs and service levels are met.

Provide operational status reports.

Implement corrective action plans where required.

5. Business Continuity

Support backup & restore procedures .

Implement and maintain Disaster Recovery (DR) and service continuity measures.

6. Security & Compliance

Participate in IT audits .

Address audit findings.

Handle security alerts and investigations.

7. Documentation & Operations

Maintain accurate technical/operational documentation.

Support other Unix/Linux administration activities.

Work outside normal hours when required for patching and maintenance .

Occasional travel to other Singapore offices.

Must-Have Requirements Diploma/Degree in IT, Computer Science or equivalent.

3+ years relevant enterprise-level Unix/Linux administration experience.

Strong experience with Red Hat + Solaris .

Strong knowledge of Red Hat Clustering & Oracle Solaris Clustering .

Scripting experience with Perl, Ruby and/or AWK .

Knowledge/experience with SolarWinds .

Experience in a 24×7 enterprise production environment .

Good-to-Have Microsoft Windows Server

Active Directory

Group Policy