Linux Administrator – Foundations SOI Integration Services Role Title: Linux Administrator – Integration Platform Infrastructure Location: Australia (Hybrid) Key Responsibilities Linux Infrastructure Administration Administer, maintain and support Linux-based infrastructure supporting integration platforms, middleware services and application environments. Ensure Linux environments are stable, secure and available to support project delivery and operational requirements. Monitor system health, capacity and performance across multiple environments. Perform routine system administration activities, patching and maintenance. Server Installation & Configuration Install, configure and maintain Red Hat Enterprise Linux (RHEL) servers. Build and configure Linux environments in accordance with approved architecture and security standards. Support platform provisioning, server hardening and operating system configuration. Maintain environment consistency across Development (DEV), System Integration Testing (SIT), User Acceptance Testing (UAT) and Production (PROD) environments. User Access & Security Administration Manage user accounts, roles, permissions and access controls. Implement least-privilege and security best practices. Manage authentication and authorization configurations. Support audit, compliance and security review activities. Networking & Firewall Management Configure and maintain Linux networking services. Support firewall configuration and network access management. Troubleshoot connectivity issues impacting integration platforms and middleware services. Work closely with infrastructure and security teams to ensure compliance with network security requirements. Middleware & Platform Support Support deployment and operation of middleware and integration platform components. Assist with environment configuration and validation activities. Work closely with platform administrators, developers and architects to ensure infrastructure readiness. Support platform installation and configuration activities across trust zones and application environments.



Backup & Disaster Recovery Implement and manage backup and recovery processes for Linux infrastructure. Support disaster recovery planning, testing and validation activities. Ensure critical systems can be restored efficiently following operational incidents. Maintain backup documentation and recovery procedures. System Monitoring & Troubleshooting Monitor system availability, performance and operational health. Investigate and troubleshoot operating system, infrastructure and middleware-related issues. Perform root-cause analysis and implement corrective actions. Provide Level 2 and Level 3 operational support for critical incidents. DevOps & CI/CD Support Support CI/CD-enabled delivery and deployment processes. Collaborate with DevOps teams to automate infrastructure provisioning and configuration activities. Assist in maintaining environment promotion processes and deployment automation. Support infrastructure changes through controlled deployment pipelines. Contribute to infrastructure automation and continuous improvement initiatives. The SOI program emphasizes automated deployment and DevOps-enabled delivery approaches. Documentation & Operational Readiness Maintain infrastructure documentation, operational procedures and support runbooks. Document environment configurations, security settings and operational processes. Support operational readiness, production deployment and knowledge transfer activities. Ensure infrastructure configurations are traceable and support audit requirements. Required Skills & Experience Linux Administration Strong hands-on experience administering Red Hat Enterprise Linux (RHEL) environments. Experience supporting enterprise-scale Linux infrastructure.



Expertise in operating system installation, configuration, patching and maintenance. Robust understanding of Linux services, processes and system administration. System & Infrastructure Management Experience managing multi-environment infrastructure landscapes. Strong understanding of server administration, resource management and capacity planning. Experience supporting middleware and application hosting environments. Knowledge of high availability and disaster recovery concepts. Security & Compliance Strong understanding of Linux security best practices. Experience implementing: User access controls Privileged access management Security hardening Firewall configurations Secure system configurations Understanding of enterprise security patterns and operational controls. Networking Strong knowledge of: TCP/IP networking DNS Routing Network troubleshooting Linux firewall technologies Experience investigating infrastructure and connectivity issues within complex enterprise environments. DevOps & Automation Experience or familiarity with: CI/CD pipelines Infrastructure automation Configuration management Deployment automation Git-based workflows Exposure to tools such as: Red Hat Ansible Terraform Azure DevOps Jenkins GitHub Actions GitLab CI/CD SOI delivery approach references infrastructure automation and DevOps tooling including Red Hat Ansible and Terraform. Troubleshooting & Support Strong problem-solving and diagnostic capabilities. Experience supporting production environments and critical systems. Ability to perform root-cause analysis and incident resolution. Strong operational support and stakeholder communication skills. Preferred Experience Experience supporting integration platforms, middleware or enterprise application environments. Exposure to API gateways, ESBs, messaging platforms and managed file transfer solutions. Experience working within Energy, Utilities, Government or other highly regulated sectors. Familiarity with secure and segregated network environments and critical infrastructure platforms.

📌 Linux Administrator - Australia (Victoria)
🏢 The HR Ally
📍 Victoria