Senior Unix/Linux Systems Engineer - Patch & HA Specialist

Exasoft Pte. Ltd.; Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

Exasoft Pte. Ltd. in Singapore is seeking an experienced Linux/Unix System Administrator to manage Linux/Unix environments, patching, vulnerability remediation, and patch assessments.

You will deploy patches using BigFix or SCCM, perform pre/post-patching checks, and automate routine tasks. You will troubleshoot OS, hardware and patch issues, support RAID and clustering, monitor logs and patch compliance, and operate within change-management and SLA-driven processes, including weekend/on-call

Qualifications

• 8–12 years of Linux/Unix System Administration experience.
• Hands-on with RHEL, HP-UX, Solaris, and/or AIX environments.
• Strong patching, vulnerability management and patch assessment experience.
• Experience with BigFix, SCCM or equivalent patch tools.
• Knowledge of hardware/firmware patching, BIOS upgrades and troubleshooting.
• Experience with pre-patching and post-patching automation.
• Basic knowledge of RAID and clustering.
• Excellent communication and ability to work weekends and on-call.

Responsibilities

• Administer Linux/Unix environments (RHEL, HP-UX, Solaris, AIX).
• Manage OS patching, vulnerabilities, and security updates.
• Perform patch assessments and deployment planning.
• Use BigFix, SCCM or equivalent tools to deploy/validate patches.
• Execute pre/post-patching checks and automate tasks.
• Troubleshoot OS, hardware and patch issues.
• Support RAID, clustering, and high-availability environments.
• Monitor logs, server health, and patch compliance.
• Follow change management and SLA-driven operations, including weekend/on-call.

Skills

Linux/Unix administration

Patching & vulnerability mgmt

Automation

Troubleshooting

On-call support

Communication

Tools

BigFix

SCCM

Job description

Exasoft Pte. Ltd. in Singapore is seeking an experienced Linux/Unix System Administrator to manage Linux/Unix environments, patching, vulnerability remediation, and patch assessments.

You will deploy patches using BigFix or SCCM, perform pre/post-patching checks, and automate routine tasks. You will troubleshoot OS, hardware and patch issues, support RAID and clustering, monitor logs and patch compliance, and operate within change-management and SLA-driven processes, including weekend/on-call