Job description

Sia is resourcing for a team to support a clearing risk and quant platform initiative for an Australian market Financial Services client. All roles are 12-month fixed-term contracts based in Australia, with possible extension subject to project progress. We are open to candidates who are based in different locations and able to work in Australia time zone.

Open Positions

• Quant Developer
• Senior Quantitative Analyst
• Clearing Risk Manager
• Clearing Risk Product Owner
• Clearing Risk Business Analyst

Role Purpose

Together, these roles design, build, validate, and operate the clearing house’s risk and margining platform.

If you have the right background and are keen to find out more, we encourage you to apply.

Key Responsibilities

Quant Developer

• Implement and maintain quantitative models (margin, stress testing, sensitivities) in production-grade code
• Build and optimise calculation libraries and pipelines used by the risk engine
• Collaborate with Senior Quant Analysts to translate model specifications into code and validate outputs
• Write unit, integration, and regression tests; support model release and deployment cycles

Senior Quantitative Analyst

• Develop and calibrate margin, stress-testing, and default-fund sizing methodologies
• Perform model validation, backtesting, and sensitivity analysis against regulatory and internal standards
• Produce model documentation and present findings to risk committees and regulators as required
• Partner with Quant Developers to specify and review production implementations of models

Clearing Risk Manager

• Monitor participant exposures, margin coverage, and concentration risk on an ongoing basis
• Lead or support default management and stress-testing exercises
• Review and approve participant risk limits, collateral eligibility, and haircut settings
• Prepare risk reporting and papers for risk committees, senior management, and regulators

Clearing Risk Product Owner

• Define and maintain the product vision and roadmap for the clearing risk platform
• Own and prioritise the product backlog, writing clear epics, features, and user stories
• Act as the primary liaison between risk, quant, engineering, and regulatory stakeholders
• Run sprint planning, backlog refinement, and showcase sessions with the delivery team

Clearing Risk Business Analyst

• Elicit requirements from risk, quant, operations, and compliance stakeholders
• Document current-state and future-state processes, functional specifications, and data flows
• Support user story writing, backlog grooming, and acceptance criteria definition
• Support UAT planning and execution, and triage defects against requirements