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