The Senior Engineer, Linux is responsible for the administration, security, automation, performance, and operational resilience of enterprise Linux platforms across on-premises, AWS, and private cloud environments.

The role serves as the subject matter expert for Red Hat Enterprise Linux (RHEL) and Amazon Linux, ensuring systems remain secure, available, recoverable, and compliant with organizational and regulatory requirements. The incumbent will lead Linux infrastructure initiatives, drive automation and standardization, support business-critical applications, and provide technical guidance for Linux-related projects, operational improvements, and resilience programs.

Key Responsibilities:

1. Linux, AWS & Private Cloud Engineering

System Administration: Administer, maintain, monitor, troubleshoot, and optimize RHEL and Amazon Linux servers across physical, VMware, AWS, and private cloud environments.
Lifecycle Management: Manage operating system installation, configuration, upgrades, patching, repositories, services, filesystems, LVM, storage, and server lifecycle management.
Core Linux Services: Support enterprise Linux services including DNS, NTP, SMTP relay, certificates, authentication, SSH, and directory service integrations.
Capacity & Performance: Perform capacity planning, performance tuning, health monitoring, and availability management for Linux platforms.
Application Platforms: Administer, maintain, troubleshoot, upgrade, and migrate application platforms running on Linux servers, including Apache Tomcat and other middleware components.
Observability Integration: Support integration between Grafana and enterprise monitoring platforms such as Prometheus, CloudWatch, or other observability solutions.

2. Linux Security, Automation & Compliance

Maintenance & Hardening: Execute Linux patching, vulnerability remediation, OS hardening, access reviews, certificate renewals, and configuration changes in accordance with change-management procedures.
Access & Security Controls: Apply secure Linux configuration standards, investigate operating system and authentication logs, and support endpoint, vulnerability, and privileged-access controls.
Operational Automation: Develop and maintain Bash or AWS Systems Manager automation for provisioning, configuration, health checks, patching, reporting, and repetitive operational tasks.
Audit Preparedness: Maintain accurate asset, configuration, access, patch, and operational records to support internal audits and regulatory requirements.
Regulatory Compliance: Follow applicable IT policies, ITIL practices, BNM RMiT, MoF, and ISO 27001 controls relevant to assigned systems and activities.

3. Backup, Recovery & Resilience

Storage & Backup Operations: Operate and monitor Linux storage, filesystems, mounts, multipathing, EBS volumes, backup agents, and recovery processes across SAN/NAS, AWS, and private cloud environments.
DR & Restoration Testing: Perform scheduled backup verification, Linux file and system restoration tests, and disaster recovery exercises; document results and address identified gaps.
High Availability: Support Linux high availability, service recovery, and business continuity arrangements for mission-critical services, including after-hours activities when required.

4. Documentation & Continuous Improvement

Standards & SOPs: Create and maintain RHEL and Amazon Linux build standards, SOPs, runbooks, architecture records, configuration documents, troubleshooting guides, and operational checklists.
Process Optimization: Identify recurring Linux issues and opportunities for automation, standardization, performance tuning, capacity optimization, and service improvement.
Management Reporting: Prepare clear operational reports, incident updates, root-cause inputs, and technical recommendations for review by the Asst. Manager.

1 Rhel Jobs in Selangor - October 2026 - High Salaries

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Senior System Engineer (Linux)