Modeller

2 weeks ago

Sydney, Australia Westpac Group Full time

**How will I help?**

**Key responsibilities**:

- Develop statistical models to establish and maintain ‘best practice’ risk management and automated credit decisioning processes, including credit scoring models, Probability of Default, Loss Given Default and Exposure at Default.
- Be responsible for ensuring core credit models are maintained to a high standard to facilitate compliance with legislation, regulatory requirements, governance frameworks and policies.
- Proactively collaborate and communicate with managers to ensure our projects, business-as-usual activities, governance framework and compliance obligations are conducted in a coordinated manner, as One Team.
- Identify new opportunities to enhance existing credit decisioning and risk management processes through the use of statistical models and tools.
- Collaborate with analytics stakeholders to ensure risk models meet requirements and provide support to end users.
- Collaborate with data and systems teams to ensure data transition from warehouse to modelling environment to production environment is efficient and robust.
- Possess a strong technical orientation with proficiency in one or more of the following languages: SAS, R, Python, SQL, Matlab, Ruby, Excel incl. VBA. Possess experience in data manipulation, data cleansing, modelling, statistical analyses and reporting.
- Build relationships and promote knowledge sharing with other Westpac departments that make use of predictive modelling (e.g. product, marketing, fraud).
- Liaise and communicate regularly with audit teams, provide audit with regular updates on model enhancement / changes and manage audit review outcomes to ensure effective ratings.
- Be responsible for the regular development of credit scorecards, including ongoing validation and ad hoc monitoring of existing scorecards.

**What’s in it for me?**

You will play an important and significant part in the future of a business that has been around for 200 years. Our vision is to become one of the world’s great service companies. So, we will back you in the development of your career, with internal career prospects and flexible working. You will also be backed by a fantastic team of people in a can-do, supportive structure.

**What do I need?**
- Two years or more experience within an analytical team or equivalent
- Analytical and problem solving skills
- Tertiary qualifications (Maths/Statistics/Quantitative/Business or other relevant degree) or equivalent business experience
- Advanced programming skills in SAS, Python, SQL, R, Matlab, or similar
- Excel with VBA, Word and PowerPoint
- Sound data management expertise and sound statistical knowledge

**What is it like to work in Westpac?**

We aim to provide one big, supportive team of people who love helping others succeed. As an equal opportunity employer, we’re proud to have created a culture and work environment that values diversity and flexibility - and champions inclusion.

**How do I Apply?**

Start here. Just click on the **APPLY **button.

The health and wellbeing of our employees is our top priority. We’ve developed clear standards to ensure our people are confident, safe and healthy whether they’re working from a Westpac Group site or working from home. These are based on expert medical advice and Safe Work Australia guidelines.

Our people are our highest priority, and we are committed to placing our redeployees in available roles before we review other applicants.

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