You’re only human.
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 strong 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, configuration and operation of Auth0 and Okta platforms
Own customer authentication, registration, MFA, identity federation and token management solutions
Drive platform standards, reusable identity patterns and engineering best practices
Lead L3 production support and major incident resolution across CIAM platforms
Introduce modern authentication capabilities like Passkeys, social login, risk-based authentication
Support Medibank's migration from Okta to Auth0, including onboarding new brands and customer cohorts
Partner with product, security, architecture and delivery teams to balance security, customer experience and 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 with Auth0 and/or Okta. Other platforms (e.g Ping Identity, ForgeRock) welcome too.
Experience with MFA, passwordless authentication, FIDO2/WebAuthn and adaptive authentication
Strong production support experience, including L3 incident management and root cause analysis
Hands-on experience with JavaScript, Node.js, APIs and distributed systems
Experience with CI/CD and Infrastructure as Code (Terraform preferred)
Strong understanding of identity security, OWASP principles, token security and fraud prevention controls
Experience working within regulated or security-conscious environments
Nice to Have
Multi-brand or multi-tenant CIAM experience
Experience with passkeys, social login and risk-based authentication
AWS experience (CloudFront, WAF, Lambda)
Exposure to Splunk, Datadog or ELK
Insurance, healthcare or financial services experience
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 https://careers.medibank.com.au/culture/rewards-benefits/
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.
If you need adjustments or alternative formats at any stage of the recruitment or employment journey, we’re here to help. You can let us know directly in the application form, or if you’d prefer to discuss before applying, please reach out to us careers@medibank.com.au or (03) 8622 5666. Learn more about our commitments and employee stories at https://careers.medibank.com.au/diversity-inclusion(please copy and paste the URL onto your browser)
Medibank proudly recognised as Best Enterprise Organisation, 2026 AFR BOSS Best Places to Work

At Medibank we are motivated by improving the health of all Australians and the health of our members. We are passionate about building a better health system that is centred on people, and sustainable in the long term.
Medibank’s core business is the underwriting and distribution of private health insurance policies through our two brands, Medibank and ahm.
We also provide a range of integrated healthcare services to our private health insurance policyholders, government, corporate and other retail customers.
Medibank’s headquarters are in Melbourne, Victoria, with operations throughout Australia.