Technology Mainframe Analyst (12-Month Fixed-Term)

Ko Matou – About Us

Kia Hanga I Te Ao, E Ora Ai, E Tupu Ai, Te Tangata Me Te Kainga. At ANZ, we're shaping a world where people and communities thrive, driven by a common goal : to improve the financial wellbeing and sustainability of our millions of customers.

Mo te turanga - About the role

As a Technology Legacy Analyst, the analyst brings a thoughtful and curious mindset to understanding and supporting ANZ's legacy applications. This includes working with older technologies such as mainframes, COBOL, and traditional databases, ensuring they remain secure, reliable, and high-performing during transition planning.

Key contributions include :

Conducting technical analysis to uncover constraints and identify opportunities for improvement.

Understanding architecture and data flows to support seamless integration with modern platforms.

Collaborating with infrastructure, security, and data teams to plan and execute safe, strategic decommissioning.

Supporting migration efforts to cloud-native and SaaS platforms, including post-migration validation.

Translating business and technical requirements into actionable outcomes, while mentoring others in a collaborative environment.

This capability plays a critical role in enabling transformation while maintaining operational integrity across legacy environments.

Role Location : This role can be based in Wellington or Auckland. Let us know what works for you.

Role Type : 12 month Secondment

Hours : 37.5 hours per week

Ka aha to ra e kite ai? - What will your day look like

You will be responsible for :

Investigating and documenting how legacy applications function, including mainframes, COBOL systems, and older databases

Monitoring application performance and proactively addressing any reliability or security concerns

Collaborating with cross-functional teams to troubleshoot and resolve complex technical issues

Exploring and mapping data flows, dependencies, and integration points to support architectural understanding

Supporting the safe and strategic decommissioning of legacy systems, ensuring compliance and data retention

Participating in planning and executing migration activities to modern platforms, including testing and validation

Working closely with architecture and engineering teams to align with cloud-native or SaaS solutions

Maintaining clear documentation of technical decisions, risks, and mitigation strategies

Ensuring applications meet governance and regulatory standards, with a focus on audit readiness

Sharing knowledge generously by mentoring junior team members and contributing to a collaborative team culture

Ou Pukenga? - What will you bring?

To thrive and excel in this role, you should ideally possess the following :

A thoughtful and persistent approach to understanding how legacy systems operate, with a genuine curiosity for uncovering technical details

Hands-on experience with at least two legacy programming languages such as COBOL, FORTRAN, PL1 or Assembler

Familiarity with mainframe tools and environments including JCL (Job Control Language), CICS and REXX

A calm and adaptable nature, especially when navigating transformation

Strong analytical and problem-solving skills, with a detail-oriented mindset and awareness of risk

Proven experience in application decommissioning, data archiving and migration to modern platforms

A collaborative spirit, with the ability to build trusted relationships across technology and business teams

Comfort working in Agile delivery environments

A passion for learning and a proactive attitude towards exploring how technology can solve complex challenges

You're not expected to have 100% of these skills. At ANZ a growth mindset is at the heart of our culture, so if you have most of these things in your toolbox, we'd love to hear from you.

He aha te take e uru ai koe ki a matou? - So, why join us?

From the moment you join ANZ, you'll be part of a work whanau striving towards a common purpose : shaping a world where communities thrive.

But it's not just our customers who'll feel your impact. You'll feel it too. Because at ANZ, you'll have the resources, opportunities, and community you need to take the next big step in your career.

We're a diverse community at ANZ in different roles, different locations, doing different things. That's why we have a range of flexible working arrangements, so our people can 'make work, work for them'. We also provide a range of benefits including access to wellbeing services and discounts on selected products and services from ANZ and more.

At ANZ you'll be part of an organisation where the different backgrounds, perspectives and life experiences of our people are celebrated. That's because we're committed to building a workplace that reflects the diversity of Aotearoa New Zealand's communities and this is one of the reasons that has inspired us to develop a multi-year Te Ao Maori Strategy called Takiri-A-Rangi. This includes increasing representation of Maori and Pasifika people at ANZ. Join us and get involved in one of our affinity networks which help us to better understand and meet the needs and interests of our increasingly diverse workforce.

Kua watea te katoa ki te tono. We welcome applications from everyone and encourage you to talk to us about any adjustments you may require to our recruitment process or the role itself. If you are a candidate with an access requirement or disability, let us know how we can provide you with additional support.

To find out more about working at ANZ visit

• .You can apply for this role by visiting ANZ Careers and searching for reference number

Te Ra Otinga - Job Posting End Date

Sunday 19 October at