Showtime Consulting is a leading provider of Shielded Cloud and Digital Solutions across Australia and New Zealand. We specialise in delivering secure, enterprise-scale technology outcomes within highly regulated environments, supporting government and national security programs.
We partner with clients delivering mission-critical capabilities that require disciplined delivery, strong stakeholder engagement, and high-quality outcomes across cyber security, cloud, and digital transformation environments.
The Role
We are seeking an experienced Atlassian System Administrator to support the administration, maintenance, and optimisation of enterprise-grade Jira Data Centre and Confluence Data Centre platforms within a secure government environment.
In this role, you will be responsible for the day-to-day operation of Jira and Confluence, ensuring the platforms remain stable, secure, and aligned with business and operational requirements. You will work closely with senior platform engineers and administrators to deliver platform enhancements, support users, and assist with upgrades and ongoing platform improvement initiatives.
This is a hands-on technical role suited to someone with strong Atlassian administration experience who is looking to further develop their platform engineering and cloud infrastructure skills within a modern Kubernetes-based environment.
Key Responsibilities
Administer Jira Data Centre and Confluence Data Centre environments, including workflows, permission schemes, screen schemes, issue types, field configurations, and system settings
Maintain Confluence space governance, templates,



macros, permissions, and content management standards
Provide Tier 2 support for platform incidents, user access requests, troubleshooting, and performance-related issues
Support platform upgrades, patching activities, and ongoing lifecycle management of Atlassian products
Assist with administration and monitoring of Jira and Confluence deployments hosted on Kubernetes platforms within Azure AKS and AWS EKS environments
Monitor application health, resource utilisation, logs, and performance metrics to ensure platform availability and reliability
Execute and monitor CI/CD deployment pipelines for application releases, configuration changes, and infrastructure updates
Assist with management of platform storage, shared home directories, and database services including Amazon EFS and Amazon RDS
Maintain technical documentation, operational procedures, and knowledge base content
Collaborate with engineering teams, project stakeholders, and end users to continuously improve platform capability and user experience
What You'll Need
2-4 years of hands-on experience administering Jira Data Centre and Confluence Data Centre in enterprise environments




Solid understanding of Jira administration including workflows, permission models, field configurations, issue types, and screen schemes
Experience with advanced Jira capabilities including JQL, automation rules, and ScriptRunner
Experience planning and supporting Atlassian platform upgrades and maintenance activities
Solid troubleshooting and problem-solving skills with a customer-focused approach to support
Exposure to Kubernetes concepts including Pods, Services, Persistent Volume Claims, ConfigMaps, and Ingress Controllers
Basic understanding of cloud infrastructure concepts and enterprise application hosting
Excellent communication skills and the ability to work effectively with both technical and non-technical stakeholders
Desirable Experience
Experience working with AWS EKS or Azure AKS hosted applications
Familiarity with Helm for Kubernetes application deployment and management
Experience supporting CI/CD pipelines using GitLab CI or similar tooling
Exposure to Artifactory, secrets management solutions, and modern DevOps practices
Experience supporting enterprise applications backed by Amazon EFS and Amazon RDS
Previous experience within secure government, Defence, or national security environments
Atlassian certifications or related platform administration certifications highly regarded
Employment Type
Long-term contract and permanent employment options available
Security Clearance Requirements
Applicants must be Australian citizens and hold a current
NV2 security clearance
.
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📌 System Administrator (Canberra)
🏢 Showtime Consulting
📍 Canberra