Adelaide
Permanent Opportunity
We're a fast-growing technology organisation looking for an experienced IT Systems Administrator to take ownership of our ICT environment and help drive reliability, security, and continuous improvement across the business.
This hands-on role is ideal for someone who thrives in a scale-up environment, enjoys autonomy, and is comfortable making decisions in a dynamic and evolving setting.
What You'll Do
- Administer Microsoft 365, Entra ID, Exchange Online, SharePoint and Teams
- Manage Linux (Ubuntu) servers and Proxmox virtualisation
- Support networking, VPNs, firewalls, backups and disaster recovery
- Administer Mimecast and security access controls
- Provide end-user support and manage hardware lifecycle activities
- Support compliance with Essential Eight, DISP, and internal security requirements
- Identify opportunities for automation, standardisation and continuous improvement
- Strong Microsoft 365 administration experience
- Linux/Unix administration skills (Ubuntu preferred)
- Virtualisation experience (Proxmox, VMware or similar)
- Networking and infrastructure support experience
- Understanding of cyber security, access management and backup solutions
- Strong troubleshooting and problem-solving skills
- Ability to work independently and take ownership
- Jenkins, Gitea or CI/CD tool experience
- Scripting and automation skills
- Experience in defence, government or regulated environments
- Knowledge of Essential Eight and DISP
If you're a proactive systems administrator who enjoys solving problems, improving systems, and working in a high-trust environment, we'd love to hear from you.
We are an inclusive employer committed to fostering a diverse and accessible workplace. We encourage applications from Aboriginal and Torres Strait Islander peoples, people with disabilities, LGBTQIA+ individuals, people of all ages, and those from culturally and linguistically diverse backgrounds.
