Principal Cybersecurity Architect: AI Security Leader

Fidelity Information Services, LLC; Dublin; On-site; EUR 150,000 - 190,000; Full time

Job summary

Fidelity Information Services, LLC is seeking an Architect Principal, Cybersecurity to shape secure designs for AI-enabled products and internal tools. You will review solutions, identify risks and guide teams toward practical controls from conception through launch.

You will join the Enterprise Security Architecture team, collaborating with security, engineering, product, technology and risk functions to protect clients, data and trust while enabling responsible innovation.

Qualifications

• At least 10 years of cybersecurity experience designing secure systems for large, complex organisations.
• Hands-on experience securing AI and large language model systems against prompt injection, data leakage and unsafe tool use.
• Strong knowledge of identity, access control, data protection, approval, monitoring and logging for AI agents.
• Experience with agent frameworks or protocols such as MCP, LangChain or similar tools.
• Ability to align security patterns with NIST AI RMF, OWASP Top 10 for LLM apps and ISO/IEC 42001; relevant cloud security certifications.

Responsibilities

• Design secure architectures and reference patterns for AI-enabled infrastructure and products.
• Lead threat modelling and security reviews for AI features and provide pragmatic fixes before launch.
• Review agent identity verification, data access, approvals and activity logging.
• Create reusable security standards and controls for engineering and product teams.
• Mentor cybersecurity architects and engineers and track emerging AI threats.

Skills

Threat modelling

Security design

Identity and access control

Data protection

Logging and monitoring

AI/LLM security

Education

CISSP / CCSP / SABSA or cloud security architecture certification

Tools

Model Context Protocol (MCP)

LangChain

Job description

Fidelity Information Services, LLC is seeking an Architect Principal, Cybersecurity to shape secure designs for AI-enabled products and internal tools. You will review solutions, identify risks and guide teams toward practical controls from conception through launch.

You will join the Enterprise Security Architecture team, collaborating with security, engineering, product, technology and risk functions to protect clients, data and trust while enabling responsible innovation.