Job Description

Description n
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At Centorrino Technologies (CT), we’re more than just tech—we’re a community that goes beyond expectations. We’ve been recognised as a Great Place to Work in and one of the Best Places to Work Medium & Large Size in Australia for 2025, with an outstanding eNPS score of 68. And we’re not stopping there.

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We are seeking an experienced Mainframe Technical Lead to support the development, maintenance, and modernisation of enterprise mainframe applications within a large-scale technology environment. The role will provide technical leadership across complex application landscapes, supporting system enhancement, integration, and delivery while mentoring development teams and driving continuous improvement initiatives.

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This is a 12-month full time contract role based on-site in Darwin, NT.

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Requirements n
What You’ll Do n

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- Lead the development, maintenance, and enhancement of enterprise mainframe applications and supporting systems
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- Provide technical leadership across complex application environments and system integrations
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- Plan, coordinate, test, and deliver system releases across development, test, and production environments
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- Provide Level 3 technical support, troubleshooting, and issue resolution for business-critical applications
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- Support mainframe modernisation initiatives involving legacy and web-based technologies
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- Develop and maintain technical, operational, and procedural documentation
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- Provide technical advice, risk identification, and escalation support to stakeholders and management
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- Mentor and guide development teams, supporting capability uplift and best practice delivery
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- Collaborate with multidisciplinary teams to deliver reliable and customer-focused ICT solutions
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What You’ll Bring n

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- Extensive experience across the full application development lifecycle within enterprise mainframe environments
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- Strong expertise in mainframe technologies including COBOL, CICS, TSO, QMF, ISPF, JCL, DB2, SQL, EGL, and BIRT
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- Experience with mainframe modernisation tools and practices, including Rocket LegaSuite products
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- Knowledge of web development technologies including XML, HTML, JavaScript, .NET, and Sitecore
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- Proven experience delivering complex application releases and managing deployments across multiple environments
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- Strong analytical, troubleshooting, and problem-solving capabilities within large-scale application environments
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- Experience developing and maintaining enterprise application codebases and technical documentation
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- Strong stakeholder engagement and communication skills, with the ability to provide transparent technical guidance and recommendations
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- Demonstrated leadership experience mentoring development teams and driving continuous improvement initiatives
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Benefits n
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Why You'll Love Working Here:

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Our company is more than just a workplace, it's a hub of inspiration and creativity where employees love to work! Here's why:

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- Extensive training and development opportunities that enable continual growth as part of your career planning.
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- Extensive discounts and benefits to maximise your money.
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- A choice of your IT equipment to maximise your success and access to cost-price tech for your personal needs.
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- Fun team events to celebrate achievements and connect with colleagues outside work as part of our engaging culture.
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CT celebrates diversity and enables every voice to be heard as we drive to create the world we want. Apply today and be part of a team that values innovation, inclusivity, variety and diverse backgrounds.

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Note: A valid Vulnerable People / Working with Children Check (WWCC) and Police Check are required.

📌 Mainframe Technical Lead (Darwin City)
🏢 Centorrino Technologies
📍 Darwin City