Linux/Unix Engineer

CORNERSTONE GLOBAL PARTNERS PTE. LTD.; Singapore; On-site; SGD 90,000 - 130,000; Full time

Job summary

Cornerstone Global Partners is seeking a seasoned Linux/Unix Systems Administrator to manage patching and vulnerability remediation across multiple OS environments, ensuring security, stability and reliability. You will handle system administration, OS/hardware patching, and use tools like BigFix and SCCM within an SLA-driven setting.

You will collaborate with technical teams, support weekend patching on a roster basis, and participate in on-call weekday support when required.

Qualifications

• At least 8 years of relevant experience in Linux/Unix system administration and infrastructure patch management.
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Responsibilities

• Perform system administration and maintenance across RHEL, HP-UX, Solaris and AIX server environments.
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Skills

Linux/Unix administration

Patch management

Vulnerability management

RHEL

HP-UX

Solaris

AIX

Cluster management

RAID technologies

On-call weekend support

SLA-driven teamwork

Tools

BigFix

SCCM

Job description

Responsible for patching and vulnerability management across Linux, Solaris, HP-UX, AIX Server, Solaris VM and IBM VIO environments to maintain system security, stability and operational reliability.

Roles & Responsibilities

• Perform system administration and maintenance across RHEL, HP-UX, Solaris and AIX server environments.

• Manage system patching and vulnerability remediation in accordance with established procedures.

• Troubleshoot operating system and hardware-related issues.

• Perform operating system, hardware and firmware patching.

• Use patch management tools such as BigFix, SCCM or equivalent tools.

• Assess patches and recommend appropriate deployment plans.

• Automate pre-patching and post-patching tasks where applicable.

• Perform BIOS and firmware upgrades.

• Monitor and maintain system logs.

• Apply knowledge of RAID technologies, including RAID 0+1, RAID 1 and RAID 5.

• Support clustering configurations, including geo-cluster and multi-node active/passive environments.

• Use server management tools to support system administration and maintenance activities.

Skills & Requirements

• At least 8 years of relevant experience in Linux/Unix system administration and infrastructure patch management.

• Hands-on experience with RHEL, HP-UX, Solaris and AIX server environments.

• Experience in operating system, hardware and firmware patching, vulnerability management and patch management tools.

• Knowledge of cluster management, RAID technologies, BIOS and firmware upgrades, and server management tools.

• Ability to work collaboratively with technical teams in an SLA-driven environment.

• Willingness to support weekend patching activities on a roster basis and provide weekday on-call support when required.

• Cornerstone Global Partners (EA License Number: 19C9859) is an affirmative equal-opportunity employer and recruitment firm. We evaluate qualified applicants without regard to race, colour, religion, creed, gender, sexual orientation, gender identity, marital status, national origin, age, veteran status, disability, or any other protected class.