Job Title: Senior Application Systems EngineerSecurity Clearance: Must be able to obtain Negative Vetting Level 1Duration: Initial 12 months with 2 x 12-month extensionsIndustry: Information TechnologyFunctional Expertise: Systems Engineering / InfrastructureSub-functional Expertise: Application Systems EngineeringLocation of work: QLD, ACT, VIC, NSW, SA Working arrangements: Hybrid (full-time onsite for first 6 weeks, then minimum 3 days per week onsite)Closing date: 9AM Monday, 20 April 2026
Description:Our client is seeking an experienced Senior Application Systems Engineer to support and maintain a range of commercial-off-the-shelf and bespoke ICT solutions. The role involves working across web and desktop applications, web services, and batch processing systems built on the Microsoft .NET technology stack.You will play a key role in ensuring system reliability, performance, and compliance, while contributing to ongoing improvements and enhancements across enterprise environments.
Responsibilities:Provide ongoing support and technical administration for corporate applications across web and desktop environmentsDiagnose and resolve system issues and contribute to incident resolutionPlan, test, and execute patching activities to meet security and regulatory requirementsDeliver system enhancements and continuous improvementsDevelop, review, and maintain documentation and standard operating procedures
Requirements:Enterprise administration experience with COTS applications, including hands-on experience with one or more of the following:LEX (Legal Case Management)IBM Planning Analytics (TM1/COBRA)Atlassian JiraEsri ArcGIS / IQ OfficeJade InvestigatorBlue PrismKiteworksSyncplify.me (SFTP)SerraViewExperience with Windows Server and IIS, including:Environment configurationCertificate managementScheduled jobsService troubleshootingBasic Linux knowledge
Essential Criteria:Availability management: Level 5 (SFIA) Provides advice and guidance on the planning, design and improvement of service and component availability. Investigates all breaches of availability targets and service non-availability and initiates remedial activities. Develops plans for disaster recovery together with supporting processes. Manages the testing of disaster recovery plans.Capacity management: Level 4 (SFIA) Monitors service component capacity and initiates actions to resolve any shortfalls according to agreed procedures. Applies techniques to control the demand upon a particular resource or service. Contributes to capacity modelling and planning. Supports the design of service component capacity.IT infrastructure: Level 4 (SFIA) Provides technical expertise to enable the correct application of operational procedures. Contributes to the planning and implementation of infrastructure maintenance and updates. Implements agreed infrastructure changes and maintenance routines. Uses infrastructure management tools to determine load and performance statistics. Configures tools and/or creates scripts to automate the provisioning, testing and deployment of new and changed infrastructure. Maintains operational procedures and checks that they are executed following agreed standards. Investigates and enables the resolution of operational issues. Provides reports and proposals for improvement, to specialists, users and managers.Problem management: Level 4 (SFIA) Initiates and monitors actions to investigate and resolve problems in systems, processes and services. Determines problem fixes and remedies. Collaborates with others to implemented agreed remedies and preventative measures. Supports analysis of patterns and trends to improve problem management processes.Programming/software development: Level 3 (SFIA) Designs, codes, verifies, tests, documents, amends and refactors moderately complex programs/scripts. Applies agreed standards and tools to achieve a well-engineered result. Monitors and reports on progress. Identifies issues related to software development activities. Proposes practical solutions to resolve issues. Collaborates in reviews of work with others as design: Level 5 (SFIA) Designs large or complex systems and undertakes impact analysis on major design options and trade-offs. Ensures that the system design balances functional and non-functional requirements. Reviews systems designs and ensures that appropriate methods, tools and techniques are applied effectively. Makes recommendations and assesses and manages associated risks. Adopts and adapts system design methods, tools and techniques. Contributes to development of system design policies, standards and selection of architecture components.Systems installation and removal: Level 5 (SFIA) Takes responsibility for installation and/or decommissioning projects. Provides effective team leadership, including information flow to and from the customer during project work. Develops and implements quality plans and method statements. Monitors the effectiveness of installations and ensures that appropriate recommendations for change are made.