Senior AI Application Security Pentester

Core Responsibilities Lead AI Security Assessments: Design and execute penetration tests targeting AI applications, LLM integrations, and machine learning workflows. Identify Vulnerabilities: Conduct adversarial testing, model robustness evaluations, and risk analyses to uncover weaknesses in AI architectures, training data, and deployment environments. Collaborate Across Teams: Work closely with engineering and data science teams to implement secure development practices and mitigate AI-specific risks. Develop Best Practices: Establish security standards for AI systems, update policies, and recommend enhancements to address emerging threats. Ensure Compliance: Validate adherence to ethical, regulatory, and industry standards for AI security. Stay Ahead of Trends: Act as a subject matter expert on AI security, monitoring evolving threats and technologies. Support Broader Security Initiatives: Participate in enterprise-wide security assessments, risk analyses, and contingency planning for critical systems. Qualifications Experience: Minimum 8 years in IT security, application security, or penetration testing, with hands-on experience in AI/ML environments preferred. Education: Undergraduate degree in a related field or equivalent combination of training and experience. Certifications: Preferred credentials include CISSP, GPEN, GWAPT, CEH, or similar. Technical Skills:Strong knowledge of penetration testing methodologies and tools.Familiarity with AI/ML frameworks, adversarial attack techniques, and model security.Understanding of secure coding practices and cloud environments.Special FactorsSponsorshipVanguard is not offering visa sponsorship for this position.About VanguardAt 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 WorkVanguard 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.

Created: 2026-03-04