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.