Staff Security Architect: AI & Cloud Security Leader

Sony Playstation; Greater London; On-site; GBP 120,000 - 180,000; Full time

Job summary

Sony Interactive Entertainment seeks a Staff Security Architect to shape and secure the next generation of enterprise, cloud, platform, and AI-enabled technology. This role partners with engineering, infrastructure, product, and security teams to identify systemic risk and guide secure adoption of emerging technologies, including AI.

The successful candidate will lead security design across AWS, Google Cloud, and hybrid environments, implement data protection and access controls, and drive

Qualifications

• 15+ years of experience in security architecture, security engineering, product security, cloud security, infrastructure security, or related disciplines with senior leadership.
• Deep knowledge of security architecture principles across cloud, application, network, identity, platform, infrastructure, and enterprise environments.
• Hands-on experience designing or securing cloud-based and containerized environments, including AWS or Google Cloud.
• Strong understanding of IAM, PKI, OAuth/OIDC, SAML, TLS, VPNs, secrets management, key management systems, cloud KMS, and HSMs.
• Expertise in network and application security controls such as WAFs, NGFWs, segmentation, DMZ design, DDoS mitigation, load balancing, proxies, IDS/IPS, and host-based controls.
• Experience with secure software development, threat modeling, CI/CD and developer platforms, application security, and engineering mitigations across the software lifecycle.
• Working knowledge of AI/ML security concepts and evaluating security risks in generative AI, LLM, and agentic system architectures.
• Strong critical thinking, risk prioritization, communication, and influence skills across global teams.
• Bachelor's degree in Computer Science, Mathematics, Engineering, Information Security, or equivalent practical experience.

Responsibilities

• Design, review, and approve security architecture for enterprise, cloud, SaaS, platform, and application environments.
• Lead cloud security architecture across AWS, Google Cloud, and hybrid environments.
• Define and review security architecture for SaaS and PaaS platforms, including identity federation and data protection.
• Drive security throughout the software delivery lifecycle, including CI/CD pipelines and IaC.
• Lead security architecture for AI-enabled systems, including generative AI and AI agents.
• Design mitigations for prompt injection, insecure tool use, and data disclosure risks.
• Define security requirements for AI data, models, prompts, embeddings, APIs, and tool identities.
• Architect and improve identity, authentication, authorization, and network security controls.
• Identify security design gaps and translate findings into practical improvements and patterns.
• Provide technical leadership across multi-disciplinary teams and stakeholders.

Skills

Security architecture

Cloud security

Identity & access management

Threat modeling

Secure software development

AI/ML security concepts

Leadership

Cross-functional collaboration

Education

Bachelor's degree in Computer Science, Mathematics, Engineering, Information Security, or equivalent

Master's degree or Ph.D. in Computer Science, Mathematics, Engineering, Information Security, or a related field

Tools

AWS

Google Cloud

CI/CD

Infrastructure as Code

Job description

Sony Interactive Entertainment seeks a Staff Security Architect to shape and secure the next generation of enterprise, cloud, platform, and AI-enabled technology. This role partners with engineering, infrastructure, product, and security teams to identify systemic risk and guide secure adoption of emerging technologies, including AI.

The successful candidate will lead security design across AWS, Google Cloud, and hybrid environments, implement data protection and access controls, and drive