Senior Linux Systems Architect with NV2 Clearance, Canberra

Whizdom; Canberra; On-site; AUD 171,000 - 209,000; Full time

Job summary

Whizdom in Canberra is seeking a Senior Linux Systems Administrator to join a defence-focused team. You will design, deploy, and support secure Linux infrastructure and data platforms, ensuring resilience, security, and compliance across critical environments.

The role requires an active NV2 Australian Government Security Clearance and offers a salary package circa $190,000 plus Super, with flexibility for exceptional candidates.

Qualifications

• 10+ years in systems administration or related IT environments.
• Relevant tertiary qualifications or equivalent industry experience.
• Strong Linux administration experience in secure/enterprise environments.
• Experience administering Active Directory, Group Policy and IAM.
• Hands-on networking experience (firewalls, routing, DNS, VLANs).
• Experience with Kubernetes (K8s) environments and related tooling.

Responsibilities

• Architect, deploy and maintain secure Linux server environments.
• Administer AD, Group Policy, IAM and network services.
• Configure and manage firewalls, routers, switches, DNS, and related infra.
• Lead system maintenance: install, configure, test, troubleshoot, optimize.
• Provide support and guidance to end users for access and config issues.
• Manage patching, change control, vulnerability remediation and compliance.
• Implement system hardening per ASD Essential Eight and best practices.
• Conduct security audits and support compliance requirements.
• Collaborate with internal/external stakeholders for technical guidance.
• Maintain production Kubernetes environments across on-prem deployments.
• Monitor, scale and troubleshoot containerized apps using Prometheus and Grafana.

Skills

Linux Admin

Active Directory

IAM

Networking

Leadership

Scripting

Education

Bachelor's degree or equivalent

Tools

Kubernetes

Prometheus

Grafana

PowerShell

Bash

Python

Job description

Whizdom in Canberra is seeking a Senior Linux Systems Administrator to join a defence-focused team. You will design, deploy, and support secure Linux infrastructure and data platforms, ensuring resilience, security, and compliance across critical environments.

The role requires an active NV2 Australian Government Security Clearance and offers a salary package circa $190,000 plus Super, with flexibility for exceptional candidates.