Senior Applications & Systems Engineer (.NET | Windows Server | IIS) with NV1 clearance - SYDNEY/CANBERRA
We are seeking an experienced Senior Applications & Systems Engineer with NV1 clearance to support and maintain a range of enterprise ICT applications and infrastructure services in a complex environment.
This is a hands‐on role suited to a strong technical professional with experience across application support, systems administration, incident resolution, patching, and operational improvement. You will work across both commercial off‐the‐shelf and bespoke applications, including web and desktop solutions, web services, and batch jobs built on the Microsoft .NET technology stack.
About the role
You will provide technical support and administration for critical business applications, help resolve production issues, and contribute to a stable, secure, and well‐managed application and infrastructure environment. The role also involves patching, maintenance, documentation, and support for system upgrades and operational processes.
Key responsibilities
* Provide ongoing support and administration for enterprise applications in web and desktop environments
* Diagnose and resolve system issues, incidents, and service disruptions
* Plan, test, and implement patching and maintenance activities
* Support application and infrastructure upgrades, changes, installations, and decommissioning activities
* Monitor system performance, availability, and capacity
* Maintain and improve technical documentation, support procedures, and standard operating procedures
* Contribute to problem management, root cause analysis, and continuous improvement
* Assist with scripting, automation, and deployment activities where required.
Skills and experience required
* Strong experience supporting enterprise COTS and bespoke applications
* Experience working with Microsoft .NET‐based environments, including web applications, desktop applications, web services, and batch jobs
* Strong hands‐on experience with Windows Server and IIS
* Experience with environment configuration, certificates, scheduled jobs, and service troubleshooting
* Strong incident, problem, and operational support experience
* Experience with patching, maintenance, and system enhancements
* Ability to prepare clear technical documentation and operational procedures.
Highly regarded experience
* Legal or case management platforms
* IBM Planning Analytics / TM1
* Atlassian Jira
* Blue Prism
* Managed file transfer and SFTP platforms
* Workplace management systems.
Active NV1 clearance is mandatory.
What will make you successful
You will be a practical and dependable engineer who can work across application and infrastructure layers, manage operational issues effectively, and contribute to a reliable and well‐governed production environment. You will bring strong troubleshooting capability, sound technical judgement, and a collaborative approach.
#J-18808-Ljbffr