AD, Risk Modelling

Date: 11 Nov 2025

Location: Sydney, Australia

Company: Singtel Group

Optus is an Australian telecommunications company, delivering more than 11 million services to our customers every day across mobile, broadband and digital solutions.

Join a high-performing team within Group Finance and Corporate at Optus, driving excellence in billing, payments, credit, and fraud management. As the Associate Director, Risk Modelling & Delivery, you'll lead the technical lifecycle of credit and fraud models, decisioning rules, and automation. This senior role oversees a team of data scientists and collaborates across business units to translate policy into actionable models and rules. You'll ensure regulatory compliance, manage technical controls, and partner with IT, product, and operations to deliver real-time decisioning that supports customer onboarding, collections, and risk mitigation.

What You'll Do:

• Design, build, and deploy credit and fraud risk models, decisioning rules, and technical specifications.
• Manage and monitor model performance, policy rules, and risk scoring outcomes, ensuring timely remediation and alerting.
• Implement and maintain credit and fraud policy rules aligned with governance and control frameworks.
• Lead delivery of initiatives that support the annual operating plan (AOP) and risk frameworks across originations and payments.
• Collaborate cross-functionally with product, technology, and operations teams to implement and monitor decisioning changes.
• Coach and develop a team of Senior Data Scientists and Data Scientists to uplift capability and performance.

What makes you perfect for the role?

• Degree in Actuarial Studies, Data Science, Statistics or related field.
• 8+ years in credit risk or advance analytics leadership roles.
• Proven experience in credit risk and fraud modelling using scorecards, ML/AI techniques, and deployment frameworks.
• Strong background in setting, validating, and monitoring risk policy rules, customer credit limits, and governance frameworks across systems and processes.
• Demonstrated success in leading model delivery and monitoring, working within project delivery methodologies, and coaching data science teams to uplift capability.
• Strong leadership in team development, executive-level communication, stakeholder influence, and strategic thinking with commercial acumen.
• Deep understanding of risk governance and compliance, with the ability to manage complex changes across multiple priorities in a highly organised manner.

What's in it for you?

• Competitive remuneration and employee discounts. Make life easier (and more affordable) with $80 monthly credit and 25% off Optus products and unique shopping discounts with our retail partners.
• Flexible working arrangements with opportunities to work three days in the office, two days remote or home.
• Vibrant and collaborative office campus that includes cafes, convenience store, chill out zones, GP, post office, gym and on-site childcare centre.
• Competitive leave policies, including additional 'Connected' days to focus on culture, family, health, community, or whatever's important to you.
• We support growing families with inclusive, carer-neutral paid Parental Leave of up to 16 weeks.
• Direct your own development and build future-ready skills with Optus U's industry-focused micro-credentials, developed with La Trobe and Macquarie Universities.
• Build meaningful connections through employee-led networks and diversity initiatives including Culture Connect, Elevate Women, Disability Network and Express Yourself (LGBTQIA+).
• Put your wellbeing first with free access to counselling and support services, 24/7 — in-person, by phone, SMS, or video.
• Free Optus bus from Macquarie University Metro Station (every 6-8 minutes); morning and afternoon (Sydney Office only).

At Optus, we are strengthened by others and that means valuing diversity and saying 'yes' to embracing individual differences. We are committed to ensuring that our application process provides an equal employment opportunity to all job seekers, including individuals from diverse gender, cultural and linguistic backgrounds, individuals with a disability, individuals identifying as being part of the LGBTQIA+ community, individuals who may have served in the armed forces or who identify as Aboriginal and/or Torres Strait Islander. We also want to do our best to make our recruitment process inclusive. If you require any adjustments or accessibility support to participate fairly and equitably in the recruitment process, please email or call We're here to help. When you contact us, please advise your preferred method of contact and we will be in touch within 48 hours.

For more information on Diversity, Inclusion & Belonging at Optus, please visit