We are seeking an experienced Senior Systems Engineer to join a highly technical engineering setting supporting complex, enterprise-scale infrastructure and platform technologies. This is a predominantly on-premises role, not a cloud-focused or Windows-based position.

Only candidates who hold an active Security Clearance will be considered.

About the role

You'll work across the technology stack, supporting and troubleshooting complex infrastructure and platform environments, while contributing to automation and engineering initiatives.

The role will involve:
On-premises infrastructure – servers, virtualisation and operating systems
Networking – routing, switching, BGP, VPNs, firewalls, DNS and connectivity troubleshooting
Platform technologies – Kubernetes, OpenShift, VMware and Docker
Automation & IaC – Ansible, Terraform and Python
Software development – development and debugging capability beyond basic scripting
End-to-end troubleshooting across infrastructure, networking, platforms and applications
Technical design, automation, optimisation and continuous improvement

About you





We're looking for a genuinely hands-on Systems / Infrastructure / Platform Engineer with broad technical capability.

You will ideally have:
Robust on-premises infrastructure and systems engineering experience
Hands-on Kubernetes/OpenShift and virtualisation experience
Solid networking fundamentals and troubleshooting capability
Experience with Ansible and Terraform
Development/debugging experience with Go, Rust and/or Python
The ability to troubleshoot complex issues across the full technology stack
Excellent problem-solving skills and a strong engineering mindset
An active Security Clearance is mandatory for this position.

Peoplebank and Leaders IT are committed to creating a diverse and inclusive workplace where everyone belongs. We welcome applications from people of all backgrounds, identities, and experiences. If you need adjustments to the recruitment process due to your circumstances, please let us know—we're here to support you.
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📌 Senior Systems Engineer – Infrastructure & Platform City Of Sydney (Australia)
🏢 Peoplebank
📍 Australia