Senior Quantitative Risk Modeller

Westpac New Zealand Limited; Auckland; Remote; NZD 150,000 - 190,000; Full time

Benefits offered by this job

4 weeks holiday + wellbeing leave

Purchased leave up to 4 weeks/year

Banking benefits & superannuation

Career growth opportunities

Parental leave & top up government pay

School holiday subsidy

Volunteer days

Job summary

Westpac New Zealand Limited is seeking a Senior Modeller to join the Quantitative Risk Management team in Auckland. You will develop and maintain credit risk models across PD, EAD and LGD, monitor performance, and support stress testing and governance processes.

You will work with stakeholders across the bank to deliver robust modelling outcomes and drive best practices. You will bring a strong quantitative background, proficiency in SAS/SQL/R/Python, and the ability to communicate technical

Qualifications

• Proficiency in analytical programming languages (SAS, SQL, R, Python).
• Strong analytical and problem-solving skills.
• Ability to write clear technical documentation and communicate findings to senior stakeholders.
• Strong attention to detail and collaborative approach.
• Familiarity with Basel, RBNZ Banking Prudential Requirements or IFRS is a plus.

Responsibilities

• Develop and enhance PD, EAD and LGD credit risk models.
• Monitor model performance and develop supporting tools.
• Support stress testing, scenario analysis, benchmarking and model reviews.
• Contribute to model governance, validation and regulatory reviews.
• Share expertise and grow modelling capability across QRM.
• Improve analytics, coding, documentation and data visualisation practices.
• Collaborate with stakeholders to keep projects moving and deliver quality outcomes.

Job description

Westpac New Zealand Limited is seeking a Senior Modeller to join the Quantitative Risk Management team in Auckland. You will develop and maintain credit risk models across PD, EAD and LGD, monitor performance, and support stress testing and governance processes.

You will work with stakeholders across the bank to deliver robust modelling outcomes and drive best practices. You will bring a strong quantitative background, proficiency in SAS/SQL/R/Python, and the ability to communicate technical