Senior Linux Engineer

⁠⁠⁠The Senior Linux Engineer, is part of the Technology and Platform Solutions Team within the Innovation and Technology Solutions branch of AUSTRAC.

The Senior Engineer, Linux Systems is responsible for ensuring that the Linux server environment is secure, stable and effectively maintained. The Senior Engineer’s role is to establish and continually improve the services offered to the agency by ensuring that the team performs to the highest possible standard.

The Senior Engineer will work with a team responsible for the design, implementation, maintenance and security of:

• All Linux instances (~600) spread mostly across RHEL/CentOS but with a growing number-of and trend-toward Ubuntu.
• Base services consumed by other technology teams such as: virtualisation (VMware), block and file storage (Pure Storage), backup (Cohesity) and index/search (Splunk).
• Core services relied on by the entire agency such as: DNS (BIND), NTP, SMTP (Postfix), web proxying (Squid and Forcepoint/Websense), RSA SecurID.

The role will be expected to:

• Work with project teams developing business solutions. In this regard you will be responsible for low level design and implementation relating to the above mentioned technologies up to the platform layer.
• Work on intra-departmental and intra-team projects aimed at the uplift or maintenance of existing technology solutions. You will likely work on deploying these solutions completely up to the service layer.
• Work closely with other technical teams (Development, Platforms, Networks, Windows, Service Desk) to identify and resolve issues and escalations.
• Occasionally get your hands dirty unboxing and racking equipment; it is not unusual that you will own a deployment from such a low level all the way through to service delivery.

About the team:

• Heavy consumers of automation (Ansible and scripting) to deploy and configuration manage most solutions under their maintenance
• Work to a very high standard where it is extremely rare that their services are down • Make good use of monitoring (Zabbix, Splunk) to ensure that environment health is proactive and robust
• Constantly considering how to architect and re-architect solutions for stronger cybersecurity; implement solutions which are secure at many layers. • Document their work for the benefit of all (Confluence)
• Organise and prioritise their tasks, record updates for others to track (JIRA)

The ideal candidate will have the following skills and capabilities:

• A solid understanding of Linux including networking, package management, auditd, SElinux/AppArmor, IPTABLES/NFTABLES, TLS, PKI.
• Experience in the strategies and techniques required to implement the ACSC's Essential Eight in a Linux environment.