Job Title:
Senior Enterprise Java Systems Administrator
Job Description:
This is an exciting opportunity to join a critical infrastructure organization in Brisbane, Queensland. As a Senior Enterprise Java Systems Administrator, you will play a vital role in supporting the development, test, and production landscapes of enterprise-scale platforms.
You will have deep technical capability across application servers and Linux-based middleware infrastructure, with a focus on reliability, performance, and smooth deployment of enterprise Java applications.
Key Responsibilities:
* Manage and maintain enterprise-grade application platforms, including WebSphere, WebLogic, and MuleSoft runtimes.
* Provide environment support across all stages of the delivery lifecycle — from development through to production release.
* Perform installation, upgrades, tuning, and patching across Linux (RHEL/SUSE) environments to ensure system stability and performance.
* Oversee configuration and deployment of APIs and services within the MuleSoft Anypoint Platform.
* Proactively monitor system behavior, troubleshoot complex technical issues, and collaborate with development and DevOps teams.
Requirements:
* 5+ years of experience in managing Java-based enterprise platforms.
* Deep knowledge of WebSphere and/or WebLogic, with proven experience supporting live applications.
* Comfortable navigating and scripting in Linux environments and understanding the role middleware plays in enterprise architecture.
* Detail-oriented, service-driven, and confident working across technical and business teams.
Benefits:
As a Senior Enterprise Java Systems Administrator, you will enjoy a challenging and rewarding role that offers opportunities for professional growth and development.
The ideal candidate will have a strong passion for technology, excellent communication skills, and a collaborative approach to working with cross-functional teams.