Junior Red Hat Linux Systems Engineer
5000 - 7000 SGDK2 Partnering Solutions Singapore
As a Junior Red Hat Linux Systems Engineer, you will execute essential day-to-day RHEL operational activities, platform maintenance, and deployment tasks under the guidance of the Senior Systems Engineer. This hands-on role focuses on executing patching and hardening procedures, post-upgrade validation, automation testing, and providing critical standby support during scheduled maintenance windows.
Key Responsibilities
Provide onsite and remote standby support for RHEL patching and hardening cycles across SIT, UAT, DR, and Production environments (including night and weekend maintenance sessions).
Perform pre-patch health checks, backup verifications, package updates, post-change service validation, and formal audit evidence capture.
Execute and test approved automation scripts/playbooks for server provisioning, in-place upgrades (IPUG), and CIS hardening; log and escalate execution failures promptly.
Assist with golden image maintenance, security agent installations, configuration verification, and technical documentation updates.
Research assigned security alerts, map affected packages/versions against the active RHEL estate, document findings, and complete assigned remediation tasks.
Maintain precise service request, incident, change, and inventory records. Promptly escalate technical risks, failed pre-checks, or procedure deviations to the Senior Engineer.
Required Qualifications & Experience
Diploma in Computer Science, Information Technology, Engineering, or a related discipline.
2–4 years of experience in Linux systems administration or IT infrastructure operations.
Solid foundational knowledge of RHEL 7/8/9 administration, including user/group management, permissions, yum/dnf package management, services, LVM, and basic networking.
Basic scripting capabilities using Bash, Python, or Ansible.
Understanding of patching practices, vulnerability remediation, OS hardening concepts, and formal change-management processes.
RHCSA preferred, or a commitment to obtain certification within an agreed timeframe post-hire.
7000 - 11000 SGD
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