Senior Linux & UNIX Systems Engineer - Patch & Automation

HCL Technologies Limited; Singapore; On-site; SGD 90,000 - 150,000; Full time

Job summary

HCL Technologies Limited in Singapore is seeking a senior Linux/Unix Systems Administrator with 8–12 years of experience to maintain and secure our critical server estate. You will manage RHEL/HP-UX/Solaris/AIX servers, patch and vulnerability management, and perform on-call support as required, in a fast-paced, SLA-driven environment.

The role demands strong communication and teamwork, with a focus on patch automation, RAID/hardware firmware updates, and clustering knowledge.

Qualifications

• 8-12 years of Experience in Linux/Unix System Administration.
• Excellent Verbal and written communication skills.
• Good interpersonal Skills.
• The candidate should have worked in a SLA driven environment.
• Ability to work in a flexible, team-oriented and constantly changing environment.
• Able to work on weekends as per Roster and perform On-call support (during weekdays) as and when needed.

Responsibilities

• System Administration of Linux/Unix environment.
• Working experience on RHEL/HP-UX/Solaris/AIX Servers
• Knowledge on Cluster management software
• Patch management and Vulnerability Management (Must Have)
• Troubleshooting skills in OS & Hardware related issues (Must Have)
• Extensive Experience in OS and Hardware/Firmware patching. (Must Have)
• Experience on Patch management tools like BigFix, SCCM etc. (Must Have)
• Perform Patch assessment and recommend/plan deployment.
• Experience on Automation of Pre and Post patching tasks.
• Hand-on knowledge on various RAID technologies (RAID 0+1, RAID 1, RAID 5 etc.) ( Should have basic knowledge)
• Knowledge on Clustering (geo cluster, multinodes passive/active) ( Should have basic knowledge)
• Bios upgrades and firmware upgrades.
• Knowledge on server management tools

Skills

Linux/Unix System Administration

Communication skills

Team player

SLA driven environment

On-call support

Tools

BigFix

SCCM

Job description

HCL Technologies Limited in Singapore is seeking a senior Linux/Unix Systems Administrator with 8–12 years of experience to maintain and secure our critical server estate. You will manage RHEL/HP-UX/Solaris/AIX servers, patch and vulnerability management, and perform on-call support as required, in a fast-paced, SLA-driven environment.

The role demands strong communication and teamwork, with a focus on patch automation, RAID/hardware firmware updates, and clustering knowledge.