Support critical Defence applications and platforms, delivering Level 3 technical expertise across complex ICT environments.

Company Description

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 solutions across cloud, data, software engineering, DevSecOps, platform engineering, and digital transformation programs.

We partner with major organisations to build high-performing technology teams and deliver innovative technology solutions that improve scalability, reliability, performance, and customer experience.

The Role

We are seeking an experienced Level 3 SME (ASUP 5 / TECH 5) to join a high-performing team supporting critical applications and ICT services within a secure government environment. The role is based in Canberra and supports mission-critical systems operating within highly secure Defence environments.

This position is ideal for a versatile technical professional who enjoys troubleshooting complex issues, working across a broad technology stack, and contributing to the reliability, performance, and continuous improvement of enterprise platforms and services.

As a trusted technical specialist, you will play a key role in supporting both commercial off-the-shelf (COTS) and bespoke applications while partnering with stakeholders to deliver excellent operational outcomes.

Key Responsibilities

- Provide Level 3 support and sustainment across a diverse portfolio of applications and platforms.
- Perform systems administration, application support, troubleshooting, and operational support activities.
- Investigate and resolve complex issues spanning applications, infrastructure, integrations, and supporting services.
- Support incident, problem, change, risk, and security management processes.




- Engage with technical and business stakeholders to deliver reliable service outcomes.
- Identify opportunities for automation, service improvement, innovation, and operational efficiency.
- Contribute to cloud optimisation and workload migration initiatives where appropriate.

What You'll Need

- Demonstrated experience in application support, systems administration, or application sustainment within enterprise or government environments.
- Strong troubleshooting and analytical skills across complex technology environments.
- Experience across several of the following technologies:
- Windows Server
- Red Hat Enterprise Linux (RHEL)
- SharePoint (On-Premises)
- Java, .NET, and C#
- SQL and Cassandra Database Administration
- Blue Prism
- IIS (Internet Information Services)
- Apache HTTP Server
- Apache Tomcat
- Tableau
- Enterprise middleware and integration platforms

- Solid communication skills and the ability to work effectively with technical and non-technical stakeholders.

Desirable Skills

- Experience supporting Defence, National Security, or other secure government environments.
- Experience supporting large-scale enterprise and mission-critical applications.
- Exposure to cloud transformation, automation, and modernisation initiatives.
- Current NV1 or NV2 Security Clearance.

Security Requirements

- Current NV1 Security Clearance as a minimum.
- NV2 Security Clearance highly regarded.

Why Join Us?

- Support critical Defence and national security platforms.
- Work across a diverse and modern technology stack.
- Join a collaborative team of highly skilled technical professionals.
- Contribute to the ongoing evolution of secure ICT services and enterprise applications.
- Gain exposure to cloud optimisation, automation, and modernisation initiatives within one of Australia's most secure technology environments.

#J-18808-Ljbffr

📌 Level 3 SME (Sydney)
🏢 Showtime Consulting
📍 Sydney