Linux Patch & Vulnerability Technician (24/7)

HCL SINGAPORE PTE. LTD.; Singapore; On-site; SGD 50,000 - 84,000; Full time

Job summary

HCL SINGAPORE PTE. LTD. is seeking a Linux-focused Patch & Vulnerability Manager to safeguard all Infra environments in data centers in Singapore. You will patch Linux servers (RHEL, CentOS, Ubuntu), monitor progress, and report compliance metrics.

You will collaborate with Apps/Business Owners, follow ITIL Change Control, and participate in a 24x7 shift model, ensuring timely communications and escalation to L2/L3 as needed.

Qualifications

• 1–3 years working experience on Linux servers (RHEL, CentOS, Ubuntu).
• Basic knowledge of Linux/Unix commands and system administration tasks.
• Familiar with VMware.
• Familiar with Linux patching and L1 troubleshooting skills.
• Windows OS knowledge is not mandatory.
• Basic understanding of databases (Oracle, MariaDB) is not mandatory.
• Coordinate tasks with multiple teams and showcase collaboration skills.
• Excel skills are a plus.
• Good communication and teamwork abilities.
• Willingness to work in shifts/weekends.

Responsibilities

• Perform patching on Linux servers and troubleshoot issues.
• Monitor patching progress and produce reports on compliance and effectiveness.
• Participate in daily checks on Linux servers and log issues not in monitoring systems.
• Escalate major patching and vulnerability issues to L2/L3 teams as needed.
• Raise changes to implement patches in line with Change Control and ITIL standards.
• Communicate patch schedules, planning, and approvals with Apps/Business Owners.
• Be available for shifts in a 24x7 operating model.
• Carry out any other tasks related to the role as reasonably requested.

Skills

Linux administration

Patching

Vulnerability management

Unix/Linux commands

Troubleshooting

Communication

Teamwork

Shift work availability

Excel

Tools

VMware

Job description

HCL SINGAPORE PTE. LTD. is seeking a Linux-focused Patch & Vulnerability Manager to safeguard all Infra environments in data centers in Singapore. You will patch Linux servers (RHEL, CentOS, Ubuntu), monitor progress, and report compliance metrics.

You will collaborate with Apps/Business Owners, follow ITIL Change Control, and participate in a 24x7 shift model, ensuring timely communications and escalation to L2/L3 as needed.