# Senior Infrastructure Engineer | Linux/Unix

**Company**: Leidos Australia
**Location**: Scoresby, Victoria, VIC
**Experience**: senior
**Job type**: full-time
**Category**: Engineering
**Industry**: Technology

**Apply**: https://leidos.wd5.myworkdayjobs.com/en-US/External/job/Scoresby-Victoria-Australia/Senior-Infrastructure-Engineer---Linux-Unix_R-00191082?utm_source=yubhub.co&utm_medium=jobs_feed&utm_campaign=apply
**Canonical**: https://yubhub.co/jobs/job_ca1b05c1-427

## Description

As a Senior Unix Engineer at Leidos Australia, you will play a key role in supporting and evolving the enterprise Unix and Linux platforms that underpin critical business and customer services.

You will work as part of a highly skilled infrastructure team, providing technical leadership across operational support, automation, security, resilience, and platform modernisation initiatives.

Responsibilities:

- Lead the administration, optimisation, and continuous improvement of enterprise Unix/Linux environments, ensuring they remain secure, reliable, and available to support critical business operations.

- Drive infrastructure automation and operational efficiency through tools such as Shell scripting, Python, Ansible, Terraform, and configuration management practices across on-premises, cloud, and hybrid environments.

- Partner with application, database, middleware, network, security, and architecture teams to resolve complex technical challenges, improve platform performance, and support technology refresh, migration, and cloud adoption initiatives.

- Contribute to a culture of operational excellence by enhancing system resilience, supporting disaster recovery and high-availability solutions, mentoring other engineers, and helping shape infrastructure standards, roadmaps, and best practices.

Requirements:

- Significant experience in Unix/Linux systems administration or engineering within large-scale enterprise environments.

- Experience with enterprise operating systems such as Red Hat Enterprise Linux (RHEL), SUSE Linux, IBM AIX, or similar platforms.

- Advanced knowledge of Unix/Linux operating system architecture, administration, performance tuning, troubleshooting, and capacity management.

- Experience managing operating system patching, upgrades, lifecycle management, vulnerability remediation, and security hardening activities.

- Capability in Shell scripting and automation, with experience using tools such as Python, Ansible, Terraform, or equivalent technologies.

- Knowledge of storage technologies including LVM, SAN, NAS, and enterprise file systems.

- Experience supporting high-availability, clustering, backup, recovery, and disaster recovery solutions.

- Understanding of TCP/IP networking, DNS, SSH, HTTP/HTTPS, and infrastructure troubleshooting practices.

- Experience with system monitoring, logging, performance management, and operational support for critical production environments.

- Ability to collaborate effectively with technical stakeholders, lead complex investigations, and contribute to mentoring and knowledge sharing across engineering teams.

Benefits:

- Flex Your Way – Tailor work to your life with options including Life Days (up to 12 extra days off per year), part-time arrangements, job sharing, and compressed hours.

- Wellbeing That Matters – Free access to Headspace and MeQuilibrium, plus dedicated wellness spaces to support your mental, physical, and emotional wellbeing.

- Learn Without Limits – Access over 120,000 on-demand courses, alongside technical, project management, leadership, and professional development opportunities.

- Work That Makes an Impact – Contribute to nationally significant projects that matter, solve complex challenges, and accelerate your career through unique growth opportunities.

- Build Your Future – Whether you're deepening technical expertise or preparing for leadership, we'll invest in your development every step of the way.

## Skills

### Required
- Unix/Linux systems administration
- Enterprise operating systems
- Shell scripting
- Python
- Ansible
- Terraform
- Configuration management
- Storage technologies
- High-availability solutions
- Disaster recovery
- TCP/IP networking
- System monitoring
- Performance management

### Nice to have
- PowerHA/HACMP
- Veritas Volume Manager
- Veritas Cluster Server
- Cloud platforms
- Monitoring and observability platforms
- Docker
- Kubernetes
- CI/CD pipelines
- DevOps
- SRE
- Agile
- ITIL practices

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Source: [Apply at leidos.wd5.myworkdayjobs.com](https://leidos.wd5.myworkdayjobs.com/en-US/External/job/Scoresby-Victoria-Australia/Senior-Infrastructure-Engineer---Linux-Unix_R-00191082?utm_source=yubhub.co&utm_medium=jobs_feed&utm_campaign=apply)