Security Architect – GCP & Agentic AI Job at NTT DATA (London)

Job Description

The Security Architect role focuses on designing secure architectures for Google Cloud Platform and Agentic AI systems. Candidates should have over 5 years of experience in information security and cloud architecture, with strong knowledge of security governance frameworks. Required certifications include CISA, CRISC, CISM, or CISSP. The role involves mentoring teams and engaging with stakeholders to present security concepts.

Job Responsibility

Translate business, data protection and security requirements into practical architectural designs leveraging industry frameworks (NIST, ISO 27001, CIS)
Design and maintain cloud‑native security architectures, with deep expertise in GCP architecture, security services, and secure workload design
Establish secure architectural patterns and standards across cloud platforms, with specific focus on GCP IAM, VPC Service Controls, Cloud Armor, Confidential Computing, and secure workload segmentation
Develop security design documentation, diagrams, and rationale aligned with business and compliance requirements
Apply risk‑based and threat‑based approaches to recommend secure and proportionate solutions
Designing security architectures for agent‑based AI systems, including orchestration frameworks, tool‑use agents, and multi‑agent workflows
Implementing AI/LLM security controls across: Model security (input/output filtering, model guardrails), Prompt security, adversarial prompt defense, prompt isolation, API & orchestration security, including secure agent tool use, Data security for vector stores, embeddings, and retrieval services
Performing AI‑specific threat modelling, including: Model extraction & poisoning, Hallucination‑driven risk, Sensitive data leakage, Toxic output & jailbreak attempts
Advising on secure integration of AI with cloud environments, focusing on compliant, privacy‑aware design
Conduct comprehensive risk assessments and threat modelling for cloud and AI systems
Support incident response, including issues involving AI‑driven systems and automated agents
Provide actionable mitigation strategies for cloud and AI threats
Provide expert guidance to clients, presenting complex cloud and AI security concepts to technical and non‑technical partners
Mentor teams on secure cloud design, AI security, and modern architecture practices
Participate in pre‑sales and contribute to delivery collateral
Develop and implement cloud and AI security policies and standards
Support compliance assessments and audits, including cloud‑specific controls and emerging AI regulatory frameworks
Ensure alignment to governance standards such as ISO 27001, NIST 800‑53/CSF, NIS2, DORA, and industry cloud security benchmarks
Conduct cloud and AI security architecture reviews, including: Cloud configuration reviews, GCP security posture assessments, AI pipeline hardening
Evaluate and recommend security technologies for cloud, AI, identity, and data protection
Stay up to date with new threats, especially in LLM, agentic AI, and GCP contexts

Requirements

5+ year’s experience in information security, cloud security and architecture roles
Strong knowledge of security governance, risk and compliance frameworks (ISO 27001, NIST CSF/800‑53, NIS2, DORA)
Strong communication skills and ability to work with senior stakeholders
Experience mentoring teams or influencing security decisions
Google Cloud Platform (GCP) Cloud‑native architecture design (GCP‑focused)
Deep hands‑on experience with GCP security services and GCP security best practices
Experience architecting secure multi‑project setups and identity boundaries
Agentic AI Security Experience designing security for agent‑based AI systems and LLM‑integrated applications
Hands‑on experience with AI/LLM security controls (prompt security, model governance, secure APIs, orchestration security)
AI‑specific threat modelling expertise
Cloud & Security Architecture Strong cloud security background across AWS/Azure/GCP
Experience in secure design of: IAM, Zero Trust, Network segmentation, Data protection and encryption, Application and API security
Knowledge of SIEM, IAM, CASB, container/Kubernetes security
Experience in Vibe coding, as well as technologies experience similar to Openclaw and Ollama
Certifications: One or more of: CISA, CRISC, CISM, CISSP (required)
Eligible to obtain UK SC clearance
Right to work in the UK

What we offer

We offer a range of tailored benefits that support your physical, emotional, and financial wellbeing
Our Learning and Development team ensure that there are continuous growth and development opportunities for our people
We also offer the opportunity to have flexible work options

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Security Architect – GCP & Agentic AI

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