高级安全工程师（AI安全）
Senior Security Engineer (AI Security)
关于Nu
Nu是拉丁美洲领先的数字银行，为巴西、墨西哥和哥伦比亚的1.4亿客户提供服务。公司通过利用数据和专有技术，开发创新产品和服务，引领行业变革。
以“对抗复杂性，赋能人们”为使命，Nu为客户提供完整的金融旅程，通过负责任的贷款和透明度促进金融准入和进步。公司由高效且可扩展的商业模式驱动，结合低成本服务与不断增长的回报。
Nu的影响力已获得多项奖项的认可，包括《时代》100家最具影响力公司、《快公司》最具创新力公司以及《福布斯》全球最佳银行。
访问我们的机构页面 https://www.nu.com/2026-en
职位描述
我们正在寻找一名高级安全工程师，与我们的团队紧密合作，加强我们的AI生态系统的安全性和弹性。在此职位中，您将识别和评估机器学习模型和生成式AI应用中的安全风险，设计并实施安全控制措施，并帮助构建用于大规模安全采用AI的安全框架和工具。
您将与工程团队合作，将安全措施整合到AI开发生命周期中，自动化安全评估和控制，并为我们的AI安全实践的持续演进做出贡献。该职位结合了实际的安全工程、风险分析和应用AI安全，需要强大的技术能力、良好的判断力和积极主动的心态，以确保AI技术的安全和负责任使用。
主要职责
- 识别和分析漏洞，提供缓解建议和见解；
- 参与开发和实施前沿安全框架，确保在我们的AI生态系统中负责任和安全的使用；
- 与开发团队密切合作，将安全措施整合到AI开发生命周期中；
- 协助制定针对AI相关安全事件的应急响应计划，并参与模拟以测试响应效果；
- 开发并集成工具以自动化安全评估和控制；
- 主动寻求知识并参与研发项目，以支持创新；
- 提高Nubank对安全AI使用的意识。
必备条件
- 熟悉安全框架，如...
查看英文原文
ABOUT NU
Nu is the leading digital bank in Latin America, serving 140 million customers across Brazil, Mexico, and Colombia. The company has been leading an industry transformation by leveraging data and proprietary technology to develop innovative products and services.
Guided by its mission to fight complexity and empower people, Nu caters to customers’ complete financial journey, promoting financial access and advancement with responsible lending and transparency. The company is powered by an efficient and scalable business model that combines low cost to serve with growing returns.
Nu’s impact has been recognized in multiple awards, including Time 100 Most Influential Companies, Fast Company’s Most Innovative Companies, and Forbes World’s Best Banks.
Visit our Institutional Page https://www.nu.com/2026-en
About the role
We are looking for a Senior Security Engineer to work closely with our teams to strengthen the security and resilience of our AI ecosystem. In this role, you will identify and assess security risks across machine learning models and Generative AI applications, design and implement security controls, and help build security frameworks and tooling for the safe adoption of AI at scale.
You will partner with engineering teams to integrate security throughout the AI development lifecycle, automate security assessments and controls, and contribute to the continuous evolution of our AI security practices. This role combines hands-on security engineering, risk analysis, and applied AI security, requiring strong technical expertise, sound judgment, and a proactive mindset to help ensure the secure and responsible use of AI technologies.
Main Responsibilities
- Identify and analyze vulnerabilities, providing insights and recommendations for mitigation;
- Contribute to the development and implementation of cutting-edge security frameworks, ensuring the responsible and secure usage within our AI ecosystem;
- Work closely with development teams to integrate security measures into the AI development lifecycle;
- Assist in incident response planning specific to AI-related security incidents and participate in simulations to test response effectiveness;
- Develop and integrate tools to automate security assessments and controls;
- Proactively seek knowledge and engage in research and development initiatives to support innovation;
- Raise Nubank awareness towards safe AI usage.
Must Have
- Knowledge of security frameworks, such as OWASP;
- Programming skills in languages commonly used in machine learning (e.g., Python);
- Proactive mindset with the ability to analyze complex systems and identify potential security risks;
- Strong communication skills to effectively convey complex security concepts to technical and non-technical stakeholders.
- Hands-on experience with CI/CD pipelines and implementing security tools (e.g., SAST, DAST, SCA).
- Experience with high scalability environments.
- Experience in zero-trust and regulated environments.
Nice to Have
- Experience with AI frameworks and libraries (e.g. PyTorch, TensorFlow);
- Expertise with automation programming languages (e.g. Bash, Ansible, Go);
- Knowledge of cloud infrastructure technologies (e.g. AWS, K8S, Terraform);
- Knowledge of Machine Learning and Generative AI concepts and technologies (e.g. HuggingFaces, MCP).
Role Location
Hybrid: Belo Horizonte, Rio de Janeiro, São Paulo, Campinas - SP.
Our Benefits
- Chance of earning equity at Nubank
- Food/ Meal Card (Vale-Refeição and/or Vale Alimentação)
- Public Transportation Commuting Benefit (Vale-Transporte)
- NuCare – Psychological, Financial and Legal Assistance Program
- Life Insurance
- Medical Plan
- Dental Plan
- NuLanguage – Language Course Program
- Nucleo - Our learning platform of courses
- Extended Parental Leave
- Daycare Allowance
- Parental Consultancy
- Work-from-home Allowance
- Gym Partnerships
- 30 days of paid vacation
- Relocation Assistance Package, if applicable
Work Model for this Role
Hybrid 2-3 times/week: Our hybrid work model brings us to the office at least twice a week, on strategic days designed to maximize team connection and collaboration. For more details, visit https://building.nubank.com/nu-hybrid-work-model/
Explore how we build technology at Nubank:
🔗 https://building.nubank.com.br/building.nubank.com.br http://building.nubank.com.br ↗
🎥 https://www.youtube.com/@building.nubankyoutube.com/@building.nubank http://youtube.com/@building.nubank ↗
🎧 Listen to our stories on Spotify https://open.spotify.com/show/4hAJnAkYKXl42hLXa4LmVQ ↗
Our recruitment process may involve the use of artificial intelligence–enabled tools, such as automated interview transcription and analysis, to support the evaluation process. Artificial intelligence is not used to make final hiring decisions; all decisions are made by human reviewers.