Senior AI Security Engineer

🕒 Junho 9

🌐 Argentina, Colômbia, +2 outros países – Remoto

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⏰ Tempo Integral

🟠 Sênior

👮‍♂️ Cibersegurança / Engenheiro de Segurança

👻 Score fantasma 22%

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🗣️🇺🇸🇬🇧 Inglês obrigatório

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Logo of Backblaze

Backblaze

201 - 500 funcionários

Fundada em 2007

🛍️ Comércio Eletrônico

🏢 Corporativo

💰 $5.000.000 Series A em 2012-07

Cloud Storage • eCommerce • Enterprise

A Backblaze é uma empresa de armazenamento em nuvem que oferece soluções de backup de dados escaláveis e seguras tanto para empresas quanto para indivíduos. Seu serviço B2 Cloud Storage oferece armazenamento de objetos compatível com S3, permitindo que os usuários protejam e gerenciem seus dados com preços transparentes. A Backblaze é especialista em serviços de backup automáticos e ilimitados para sistemas de computador, garantindo opções de proteção e recuperação de dados para os usuários, além de suportar a integração com aplicativos para funcionalidades aprimoradas.

Descrição

• Architect and implement guardrails for tool-using AI systems, including: • Tool access controls and allowlists • Context and memory isolation • Step-level validation of agent actions • Apply mitigations aligned to the OWASP Agentic AI Top 10 (e.g., prompt injection, unsafe tool use, data leakage, excessive autonomy) • Build enforcement mechanisms that govern AI behavior at execution time: • Interceptors, proxies, or middleware for tool/API calls • Policy decision and enforcement layers • Rate limits, execution bounds, and kill-switches • Design and implement identity and access controls for agents and automation, including: • Short-lived credentials and scoped permissions • Clear separation between human and non-human access • Strong binding of identity to task context and execution • Ensure all AI actions are attributable and auditable • Implement logging and tracing for AI activity: • Prompts, tool usage, and decision flows • Build detection capabilities using: • Behavioral baselining and anomaly detection techniques • Identify and alert on: • Abnormal tool usage • Suspicious prompt patterns • Unexpected data access • Perform agentic system threat modeling using MAESTRO, including: • Mapping agent capabilities, trust boundaries, and attack paths • Modeling misuse and adversarial scenarios • Translate findings into practical safeguards and detection logic • Protect developers using AI tools by: • Preventing sensitive data exposure • Validating AI-generated code and actions • Constraining unsafe automation

🎯 Requisitos

• 7+ years in security engineering or backend systems • Proven experience designing and deploying security controls, such as: • Runtime enforcement layers (proxies, middleware, policy engines) • Identity and access systems, especially for non-human entities • Strong programming skills (Python preferred; Go, Java, or TypeScript a plus) • Experience using AI-assisted development tools such as Claude Code in real workflows, including understanding associated security risks and safeguards • Experience with: • Logging, monitoring, and detection systems • Building or securing API/service interactions • Practical familiarity with: • Agentic AI systems or tool-integrated LLM workflows • OWASP guidance for AI/agent risks.

🏖️ Benefícios

• Health insurance • 401(k) matching • Flexible work hours • Paid time off • Remote work options

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