It’s a strange thing to say, because us humans are capable of incredible things. And at Medibank, we know our greatest potential lies in the people who work with us.

We strive to make real, fundamental change, driven by a simple purpose: to create the best health and wellbeing for all of Australia.

We're looking for a Senior CIAM Engineer to provide technical leadership across our Customer Identity & Access Management (CIAM) platforms, with a robust focus on Auth0 (target platform) and Okta (legacy/transition platform).

This is a hands‑on senior engineering role for someone who can confidently lead technical conversations, solve complex identity challenges, and drive secure, scalable authentication experiences for millions of customers.

What You’ll Do

- Lead the design,configurationand operation of Auth0 and Okta platforms
- Own customer authentication, registration, MFA, identityfederationand token management solutions
- Drive platform standards, reusable identity patterns and engineering best practices
- Lead L3 production support and major incident resolution across CIAMplatforms
- Introduce modern authentication capabilities like Passkeys, social login, risk-based authentication
- Support Medibank's migration from Okta to Auth0, including onboardingnew brandsand customer cohorts
- Partner with product, security,architectureand delivery teams to balance security, customerexperienceand delivery outcomes
- Mentor engineers and provide technical leadership across the CIAM capability

What You’ll Bring

- 8+ years' experience working with CIAM platforms
- Strong experience withAuth0 and/or Okta. Other platforms (e.gPingIdentity, ForgeRock) welcome too.




- Proven ability to lead technical discussions and influence solution design
- Experience withMFA,passwordlessauthentication, FIDO2/WebAuthnand adaptive authentication
- Strong production support experience, including L3 incident management and root cause analysis
- Experience withCI/CD and Infrastructure as Code(Terraform preferred)
- Strong understanding of identity security, OWASP principles, tokensecurityand fraud prevention controls
- Experience working within regulated or security-conscious environments

Nice to Have

- Multi-brand or multi-tenant CIAM experience
- Experience with passkeys, socialloginand risk-based authentication
- AWS experience (CloudFront, WAF, Lambda)
- Exposure to Splunk, Datadog or ELK

Imagine working with us

We understand that work means different things to everyone... We know happy, healthy people make great teams, and great teams put more heart into each customer and patient interaction. And that’s why we’re reinventing work.

Imagine a workplace that helps you and your family thrive. Where connection, personal development and health and wellbeing are front of mind. To learn more about our benefits go to

For you, work should help you Live Better. It should bring you fulfillment and joy. And with Medibank, it could.

Inclusion and Accessibility

We believe in everyone's potential and strive to make Medibank inclusive for all because different perspectives make us better. We encourage applications from everyone, including Aboriginal and Torres Strait Islander peoples, neurodivergent candidates, LGBTQIA+ community including transgender and gender diverse candidates and candidates with a disability.

Medibank proudly recognised as Best Enterprise Organisation, 2026 AFR BOSS Best Places to Work

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📌 Senior CIAM Engineer (Melbourne)
🏢 Medibank
📍 Melbourne