Mainframe - Senior Product Owner

Telstra Corporation; Melbourne; On-site; AUD 170,000 - 250,000; Full time

Benefits offered by this job

Work-life flexibility

Parental leave 16 weeks

Professional development

Telstra mobile plan

Device allowance

Annual leave scheme

Telstra product discounts

Job summary

Telstra is seeking an experienced Mainframe Product Owner to shape the future of one of its critical technology platforms. You will own the strategy, investment, roadmap, and lifecycle of a large-scale enterprise mainframe environment supporting mission-critical business services.

You will collaborate with senior business and technology leaders, architects, application owners, vendors, and managed service partners to drive decisions that improve resilience, reduce complexity, optimise cost, and

Responsibilities

• Defining and executing the multi-year vision, strategy, and roadmap for the Mainframe platform
• Owning platform outcomes including availability, security, resilience, performance, and cost efficiency
• Leading investment decisions, business cases, and prioritisation of modernisation initiatives
• Driving simplification, application migration, cloud transition, consolidation, and legacy transformation programs
• Managing strategic vendor and service provider relationships
• Balancing business needs, risk, technical debt, operational resilience, and commercial outcomes
• Influencing senior stakeholders across business and technology to align priorities and achieve measurable outcomes

Job description

Employment Type Permanent Closing Date 18 Oct 2026 11:59pm Job Title Mainframe - Senior Product Owner

Job Summary

Job Description We are looking for an experienced Mainframe Product Owner to shape the future of one of the organisation's most critical technology platforms. This is a rare opportunity to own the strategy, investment, roadmap, and lifecycle of a large-scale enterprise mainframe environment supporting mission‑critical business services. You will balance operational excellence with modernisation, leading the platform through optimisation, transformation, and ultimately defining its future role within the broader technology landscape. Working with senior business and technology leaders, architects, application owners, vendors, and managed service partners, you will drive decisions that improve resilience, reduce complexity, optimise cost, and deliver long‑term business value.

Our Perks & Benefits:

• Work-life integration - we understand life happens when you're busy making other plans, so we offer flexibility around where, and when you work
• 16 weeks paid parental leave for primary and secondary carers
• Professional development program
• An epic (free) Telstra mobile phone plan
• Laptop/Device allowance renewed every 2 years Purchased
• Annual Leave scheme
• Discounted Telstra products and services

What You'll Be Responsible For

• Defining and executing the multi-year vision, strategy, and roadmap for the Mainframe platform
• Owning platform outcomes including availability, security, resilience, performance, and cost efficiency
• Leading investment decisions, business cases, and prioritisation of modernisation initiatives
• Driving simplification, application migration, cloud transition, consolidation, and legacy transformation programs
• Managing strategic vendor and service provider relationships
• Balancing business needs, risk, technical debt, operational resilience, and commercial outcomes
• Influencing senior stakeholders across business and technology to align priorities and achieve measurable outcomes

What We're Looking For

• Significant experience leading large enterprise Mainframe platform, Infrastructure, or Technology Platform portfolios
• Strong knowledge of modern mainframe environments including z/OS, CICS, DB2, IMS, MQ, RACF, storage, and batch processing
• Experience defining product strategy, roadmaps, investment plans, and technology transformation programs
• Proven success delivering Mainframe modernisation, migration, consolidation, or decommissioning initiatives at scale.
• Strong commercial acumen with experience managing budgets, vendor contracts, software licensing, and business cases
• Exceptional stakeholder management and executive communication skills

Why This Role?

Own the full lifecycle of a platform that underpins critical enterprise services. Influence strategic technology decisions for Telstra cloud group. Lead a significant modernisation and simplification agenda. Work across large-scale transformation, resilience, cloud, and legacy exit initiatives. Shape the future of one of the most complex and business‑critical technology ecosystems in the organisation.

Diversity is more than a policy – it’s how we thrive We know diverse teams deliver better outcomes, and we’re committed to creating an environment where everyone feels safe, respected, and supported — regardless of gender, background, or ability. We strongly encourage women and gender‑diverse people to apply and are happy to discuss flexible working arrangements or adjustments to the recruitment process.

We're an iconic Aussie brand with a global footprint. From our earliest days in the Postmaster General’s Office to the Australian icon we are today, the heart of Telstra has never changed. We’ve always been committed to being a great place to work as we make the world a better place too. Working at Telstra, we all have a why. Whether it’s endless career opportunities, an amazing work-life balance or being able to make a difference, we all know why we’re motivated to be our best here. Our people find purpose and pride in being part of Telstra, because we support the things that matter most. We are committed to making it easy for everyone to apply.

If you require accessibility support or adjustments during the recruitment process, please send an email to Disability and Accessibility inbox. [e-mail].

In a business as big and diverse as ours, there’s a huge breadth of career paths available. Uncover opportunities, broaden your experience, and discover the many areas of our organization there is to explore.

Explore our teams https://www.telstra.com.au/careers/our-teams