Unix/Linux & Backup Engineer — DR, Automation & Resilience

Xtremax Pte. Ltd.; Singapore; On-site; SGD 70,000 - 120,000; Full time

Job summary

Xtremax Pte. Ltd. is seeking a Unix/Linux & Backup Administrator to manage enterprise Linux environments and backup infrastructures across on‑premises and cloud platforms.

You will work hands-on with Red Hat Enterprise Linux, backup systems, server provisioning, security hardening, automation, monitoring, and disaster recovery. The role emphasizes reliability, resilience, and collaboration with multiple teams.

Qualifications

• Degree or Diploma in Computer Science, Information Technology, Engineering, or a related discipline.
• Hands-on experience administering enterprise Unix/Linux and backup environments.
• Strong knowledge of Red Hat Enterprise Linux, including system services, storage, networking, and security.

Responsibilities

• Install, configure, administer, troubleshoot, and maintain Unix/Linux servers, particularly Red Hat Enterprise Linux environments
• Provision, maintain, and decommission servers across development, testing, and production environments
• Perform OS hardening, security patching, vulnerability remediation, and configuration compliance checks
• Monitor system availability, capacity, logs, and performance, and resolve infrastructure incidents promptly
• Administer user accounts, privileged access, file systems, storage, permissions, system services, and scheduled jobs
• Manage enterprise backup infrastructure, including backup policies, schedules, retention requirements, and storage capacity
• Monitor backup jobs, investigate failures, resolve exceptions, and support system, application, database, and file-level backup and recovery requirements
• Conduct restoration tests and disaster recovery exercises to validate system and data recoverability
• Develop and maintain shell scripts, Ansible playbooks, and automated workflows for provisioning, patching, backup monitoring, recovery validation, compliance checks, and reporting
• Maintain accurate CMDB records, SOPs, technical documentation, operational runbooks, and recovery procedures while working with infrastructure and application teams on technical changes

Skills

Unix/Linux administration

Backup administration

Shell scripting

Ansible

Security hardening

Monitoring & incident response

Documentation & stakeholder mgmt

Education

Degree or Diploma in Computer Science, Information Technology, Engineering

Tools

Red Hat Enterprise Linux

RHCSA

RHCE

Job description

Xtremax Pte. Ltd. is seeking a Unix/Linux & Backup Administrator to manage enterprise Linux environments and backup infrastructures across on‑premises and cloud platforms.

You will work hands-on with Red Hat Enterprise Linux, backup systems, server provisioning, security hardening, automation, monitoring, and disaster recovery. The role emphasizes reliability, resilience, and collaboration with multiple teams.