Unix/Linux Systems Engineer — Hybrid, Cloud & Automation

Leidos; Canberra; On-site; AUD 90,000 - 130,000; Full time

Job summary

Leidos Australia seeks an experienced Unix/Linux Systems/Infrastructure Engineer to design, build and operate enterprise-grade infrastructure across on‑prem, hybrid and cloud environments. You will implement automation, security hardening and resilient platforms while collaborating with cross‑functional teams.

In this role, you’ll contribute to platform upgrades, migrations and modernisation efforts, delivering reliable systems and technical documentation to support governance and ongoing

Qualifications

• Experience as a Unix/Linux Systems Engineer or Infrastructure Engineer supporting enterprise-scale environments.
• Knowledge of enterprise Unix/Linux platforms such as IBM AIX, Red Hat Enterprise Linux, SUSE Linux, Solaris, HP-UX or equivalent, including system administration, performance tuning and troubleshooting.
• Capability in Shell scripting and automation, with experience in system provisioning, configuration management, patching and upgrades.
• Understanding of storage, networking and infrastructure services, including file systems, LVM, SAN/NAS, TCP/IP, DNS, SSH and NFS.
• Experience implementing security hardening, vulnerability remediation, backup and recovery, monitoring, and high-availability solutions.
• Ability to develop technical documentation, manage technical risks and work effectively with project, operational and vendor stakeholders.

Responsibilities

• Design, build, configure, test and transition Unix/Linux infrastructure solutions across on-premises, hybrid and cloud environments, ensuring alignment with architecture, security and operational requirements.
• Support major infrastructure projects including platform upgrades, migrations, modernisation programs, application and database transitions, and cloud adoption initiatives across enterprise environments.
• Partner with architects, project managers, application, database, network, storage, cybersecurity and operational teams to deliver secure, resilient and supportable infrastructure solutions from design through to production handover.
• Drive automation and continuous improvement through scripting, Infrastructure as Code and modern engineering practices, helping to improve deployment consistency, operational efficiency and long-term platform reliability.

Skills

Unix/Linux

Unix platforms

Shell scripting

Storage networking

Security hardening

Technical writing

Cloud platforms

AWS

Python

Ansible

Terraform

Kubernetes

Tools

Ansible

Terraform

Kubernetes

Job description

Leidos Australia seeks an experienced Unix/Linux Systems/Infrastructure Engineer to design, build and operate enterprise-grade infrastructure across on‑prem, hybrid and cloud environments. You will implement automation, security hardening and resilient platforms while collaborating with cross‑functional teams.

In this role, you’ll contribute to platform upgrades, migrations and modernisation efforts, delivering reliable systems and technical documentation to support governance and ongoing