Global Risk and Security (GR&S) at Vanguard enables business strategy, protects client and Vanguard interests (e.g., assets and data), and stewards a strong risk culture. Our teams leverage enterprise-wide insights, deep expertise, and trusted advice so that across Vanguard leaders and crew drive faster, stronger, risk-informed decisions. Within GR&S, the Enterprise Security and Fraud (ES&F) sub-division is responsible for the global protection of Vanguard crew, property, data, and client assets. We are the trusted advisors that protect the pride of Vanguard with state-of-the-art security and fraud capabilities. We are a world-class destination of highly engaged, passionate, and diverse talent expected to continuously learn and develop in an ever-changing security landscape. Our crew are our greatest resource – by joining our team you will build collaborative long-term relationships and enjoy a suite of benefits that includes comprehensive health and wellness care, work-life balance, and an investment in your future at its core. Responsibilities: Set Fraud Strategy & Coverage: Define fraud prevention strategy across real-time payment channels, including risk appetite and control coverage. Own Real-Time Decisioning: Design and manage fraud rules, decision logic, and detection strategies within real-time decisioning platforms. Lead Platform & Capability Build: Drive enhancements and implementation of fraud rules engines and decisioning platforms in partnership with engineering. Optimize Performance Outcomes: Monitor and improve fraud detection, false positives, and client friction through ongoing control tuning and performance management. Leverage Data & Models: Use analytics and model insights to identify trends, refine strategies, and improve detection effectiveness. Partner Cross-Functionally: Collaborate with Product, Engineering, Risk, and Operations to embed fraud controls into customer journeys and new product launches. Ensure Strong Governance: Maintain disciplined control testing, monitoring, and adherence to risk and regulatory standards. Qualifications: Minimum of five years related work experience. Undergraduate degree or equivalent combination of training and experience. Graduate degree preferred. Expertise in: Account takeover, social engineering, and transaction fraud risks within retirement and workplace channels Proven experience managing real-time fraud decisioning environments and rules strategies Strong experience partnering across Product, Engineering, Risk, and Operations Technical & Analytical Skills Expertise in fraud rules engines / decisioning platforms Strong analytical capabilities (data analysis, segmentation, performance optimization) Working knowledge of fraud models / machine learning concepts and model governance Ability to translate data into actionable fraud strategies and business decisions Strong experience with analytical tools such as Python, R, SAS, SQL, and platforms such as Tableau or Power BI. Leadership & Communication Excellent communication and executive storytelling skills. Highly collaborative with a track record of driving alignment across teams. Special Factors Sponsorship Vanguard is offering visa sponsorship for this position. About Vanguard At Vanguard, we don't just have a mission—we're on a mission. To work for the long-term financial wellbeing of our clients. To lead through product and services that transform our clients' lives. To learn and develop our skills as individuals and as a team. From Malvern to Melbourne, our mission drives us forward and inspires us to be our best. How We Work Vanguard has implemented a hybrid working model for the majority of our crew members, designed to capture the benefits of enhanced flexibility while enabling in-person learning, collaboration, and connection. We believe our mission-driven and highly collaborative culture is a critical enabler to support long-term client outcomes and enrich the employee experience. Vanguard, one of the world's leading investment management companies, serves individual investors, institutions, employer-sponsored retirement plans, and financial professionals. We have a diverse and talented crew with a culture that promotes teamwork, along with an unwavering focus on serving our clients' best interests. This website uses "cookies" to distinguish you from other users. A cookie is a small file of letters and numbers placed on your computer or device. This helps us to provide you with a good experience when you browse our website and also allows us to improve our site and services. The cookies are stored locally on your computer or mobile device. To accept cookies you can continue browsing as normal. Or you can go to our Privacy Policy to read more information and learn how to change your preferences.

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23 Oct, 2026

Vanguard

Chief Architect - End User Technologies

Leadership
Engineering

Location not stated

Salary not listed

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