Senior Mainframe Developer
Contract role in Darwin CBD (on-site) supporting critical Northern Territory Government mainframe applications: developing, testing and releasing complex system releases, maintaining mainframe codebases, and providing Level 3 support. Core stack is COBOL with CICS, JCL, DB2, TSO/ISPF, plus modernisation work with Rocket LegaSuite and web technologies.
- Compensation
- Not disclosed
- Location
- Darwin NT
- Work setup
- Onsite
- Seniority
- Senior
- Employment
- Contract
- Experience
- Not specified
- Category
- Software engineering
- Posted
Skills
Must have
- Demonstrated experience across the application development lifecycle, including development methodologies and IDEs
- Demonstrated mainframe and COBOL experience
- Security clearances: NPC, NTPF166 and NT WWC
- On-site work in Darwin CBD
Nice to have
- Experience with COBOL
- Experience with CICS
- Experience with TSO
- Experience with QMF
- Experience with ISPF
- Experience with JCL
- Experience with DB2
- Experience with SQL
- Experience with EGL
- Experience with BIRT
- Mainframe modernisation experience using Rocket LegaSuite products
- Web technologies experience: XML, HTML, JavaScript, .NET, Sitecore
Full description
Salary: Competitive rates depending on experience.
Company OverviewWinners! 2025 NT Local Business Awards "Outstanding Consultants".
As a reputable consulting, recruitment, and labour‑hire provider across the Northern Territory, Queensland and beyond, Moraitis Consulting (trading as Moraitis Engineering AU) stands as a trusted partner to Government and industry. We deliver strategic leadership and specialised talent that enable organisations to achieve their goals and drive sustainable success. Beyond recruitment and labour hire, Moraitis Consulting provides a comprehensive suite of ICT consulting services, including digital transformation, strategic advisory, business analysis, project management, cyber security, ICT policy development, and project administration. These capabilities enable us to deliver superior outcomes for our clients and our people.
About the Opportunity
We are seeking experienced Mainframe Application Developers / Technical Specialists for contract opportunities supporting critical Northern Territory Government mainframe applications and services.
These roles offer the opportunity to work on important government systems, contribute to complex application development and support activities, and be part of a collaborative technical environment.
Location: Darwin CBD - On-site.
Clearances required: NPC, NTPF166 and NT WWC.
Key Responsibilities
- Planning, coordinating, developing, testing, and delivering complex system releases across development, testing, and production environments
- Developing and maintaining technical, operational, and procedural documentation
- Supporting and maintaining mainframe application codebases
- Providing Level 3 technical support for critical business information systems
- Working on integration projects and advising stakeholders on system impacts
- Building strong working relationships with internal and external stakeholders
- Escalating technical risks and issues to management where required
Essential Skills & Experience
We are looking for candidates with demonstrated experience across the application development lifecycle, including development methodologies and Integrated Development Environments (IDEs).
Experience with a combination of the following mainframe technologies is highly desirable:
- Application development lifecycle methodologies and Integrated Development Environments (IDEs)
- Mainframe technologies including:
- COBOL