AI Security Engineer (Agentic AI / Cloud Security) - Hybrid Lisbon (1-2 days/week office)

ABOUT THE OPPORTUNITY

We are looking for a Senior AI Security Engineer to join a leading international organization undergoing a large-scale AI transformation across multiple European markets. This is a unique opportunity to play a key role in securing the adoption of Agentic AI, AI-driven platforms, and advanced automation initiatives within a complex, multinational environment.

You will become part of a central AI function responsible for enabling innovation while ensuring that security, compliance, and governance remain embedded throughout the AI lifecycle. This role offers a combination of hands-on technical work and strategic influence, working closely with engineering teams, security leaders, data protection specialists, and senior stakeholders across Europe.

PROJECT & CONTEXT

The organization is building a centralized AI ecosystem consisting of specialized AI delivery hubs and an Agentic AI platform that will enable multiple business units and countries to develop, deploy, and operate AI-powered solutions securely and at scale.

As the AI Security Engineer, you will be responsible for embedding security-by-design principles across AI use cases, intelligent agents, APIs, integrations, and platform components. You will work on security controls related to access management, secrets management, monitoring, logging, sandboxing, third-party integrations, and AI-specific risks such as prompt injection, data leakage, excessive permissions, and model supply chain vulnerabilities.

This is a highly collaborative role involving close interaction with AI Engineering, Security Architecture, Data Protection, Risk, and Operational Security teams.

WHAT WE'RE LOOKING FOR (Required)

• 7+ years of experience in IT Security, Cybersecurity, or Information Security.
• Experience supporting digital transformation, platform engineering, or enterprise technology programs.
• Strong knowledge of Cloud Security principles and secure cloud architectures.
• Solid experience with Identity and Access Management (IAM).
• Hands-on experience with Application Security and Secure Software Development Lifecycle (Secure SDLC).
• Experience with Threat Modeling, Security Architecture, and Risk Assessment for distributed systems.
• Knowledge of AI/ML and Agentic AI security concepts, including:
  • Prompt Injection
  • Data Leakage Prevention
  • Agent Identity and Authorization
  • Tool and API Security
  • AI Model Supply Chain Security
• Familiarity with:
  • OWASP LLM Top 10
  • MITRE ATLAS
  • NIST AI Risk Management Framework (NIST AI RMF)
• Experience implementing security controls for APIs, integrations, monitoring, logging, secrets management, and external services.
• Strong stakeholder management and communication skills.
• Ability to influence technical decisions across multiple teams and countries.
• Fluent English (minimum B2 level).

NICE TO HAVE (Preferred)

• Experience working in multinational or multi-country organizations.
• Previous exposure to logistics, transportation, retail, or financial services environments.
• Hands-on experience with AI and LLM platforms such as:
  • Azure AI
  • OpenAI
  • Anthropic
  • Google Vertex AI
  • LangChain
• Exposure to MLOps platforms and AI operational frameworks.
• Experience conducting or participating in AI security assessments or red-teaming exercises.
• Professional certifications such as CISSP, CISM, or equivalent.
• Knowledge of additional European languages.
• Experience working with enterprise governance, compliance, and data protection initiatives.