Staff Cloud Security Engineer in London

Sony Interactive Entertainment (SIE) is a subsidiary of Sony Group Corporation and a leader in technology and entertainment.

The Security Engineering team is searching for a Cloud Security Engineer (Staff) to define and drive security architecture, strategy, and engineering practices across multi‑cloud and hybrid environments.

Role Description

Provide cloud security capabilities that are proactive and preventive-focused, addressing modern threats, including those driven by AI‑enabled attack techniques.

Expand into next‑generation security domains such as AI/ML security, container security, and advanced threat detection and response.

Key Responsibilities

• Define and drive cloud security strategy, architecture standards, and technical roadmaps across cloud and AI‑enabled environments.
• Lead the design and implementation of preventative security controls, leveraging automation and AI‑driven capabilities to reduce risk and improve detection and response.
• Architect and secure complex multi‑cloud and hybrid environments across AWS, Azure, GCP, and on‑premise infrastructure.
• Define and implement security architecture for AI/ML workloads, including model pipelines, data protection, and AI‑integrated applications.
• Identify and establish controls to mitigate AI‑specific risks such as prompt injection, data poisoning, model leakage, and adversarial inputs.
• Influence security and engineering practices across multiple teams and departments, driving adoption of secure‑by‑design principles.
• Own the security outcomes of key cloud and AI initiatives, ensuring successful delivery and measurable risk reduction.
• Establish and evolve Dev Sec Ops and Infrastructure‑as‑Code (Ia C) security standards, integrating security controls into CI/CD pipelines at scale.
• Drive adoption and optimization of CNAPP platforms and related tooling to improve risk visibility and remediation across cloud, container, and AI environments.
• Define and implement security architecture for containerized platforms (Kubernetes/EKS/GKE/AKS), including cluster hardening, workload isolation, image supply chain security, and runtime protection controls.
• Lead the evolution of detection and response capabilities, integrating cloud telemetry, Cloud EDR, and advanced security analytics.
• Conduct and guide threat modeling and risk assessments (Attack Surface Management, Data Security Posture Management, etc.) for complex cloud‑native and AI‑enabled systems.
• Architect and deliver automation frameworks and security services to improve scalability and operational efficiency.
• Provide technical leadership and mentorship to engineers, influencing department‑level goals and technical direction.

Qualifications

• Bachelor’s degree or equivalent in Computer Science, Information Security, or related field.
• Proven experience defining and securing large‑scale cloud and hybrid architectures (AWS, Azure, GCP, On‑Premise).
• Deep expertise in cloud security architecture, including IAM, network segmentation, encryption, and secure design patterns.
• Strong programming and automation experience, with the ability to design and scale security engineering solutions.
• Extensive experience implementing Dev Sec Ops practices and securing Infrastructure‑as‑Code (Ia C) workflows.
• Expertise working with container technologies (Kubernetes, Docker, EKS, GKE, AKS).
• AI/ML Security expertise and deep understanding of security risks in AI/ML systems, including prompt injection, data poisoning, model leakage, and adversarial inputs.
• Experience defining and securing AI/ML architectures, including training pipelines, inference systems, and AI‑integrated applications.
• Strong knowledge of data security and privacy controls in AI systems.
• Familiarity with frameworks such as OWASP Top 10 for LLMs and NIST AI Risk Management Framework.
• Experience securing advanced AI patterns such as LLM integrations, APIs, MCPs, RAG pipelines, or model services (preferred).
• Experience leading implementation and adoption of CNAPP platforms.
• Deep understanding of cloud detection and response, Ia C scanning, and runtime protection.
• Strong background in security prevention, detection, and response strategy.
• Experience designing highly scalable, resilient, and secure architectures across application, network, and data layers.
• Experience influencing technical direction across multiple teams or departments.
• Relevant certifications (e. g., ISC2, GIAC, AWS, Azure, GCP) preferred.
• Experience working across multi‑OS and distributed environments.
• Equal Opportunity Statement

Sony is an Equal Opportunity Employer.

All persons will receive consideration for employment without regard to gender (including gender identity, gender expression and gender reassignment), race (including colour, nationality, ethnic or national origin), religion or belief, marital or civil partnership status, disability, age, sexual orientation, pregnancy, maternity or parental status, trade union membership or membership in any other legally protected category.

We strive to create an inclusive environment, empower employees and embrace diversity.

Sony Interactive Entertainment is a Fair Chance employer and qualified applicants with arrest and conviction records will be considered for employment.

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