Security Architect

Security Architect Location: London (Hybrid) | Practice Area: Technology & Engineering | Type: Permanent Safeguard the digital future of financial services. The Role We are looking for Security Architects to lead the design and implementation of secure, scalable solutions for some of the world’s leading financial institutions. You’ll play a critical role in shaping security strategy, informing architectural decisions, and embedding best practices across cloud and hybrid environments. This is a hands-on role with opportunities to mentor others and influence major change initiatives, using approved AI tools, automation and AI-enabled workflows where appropriate to improve the speed, quality and insight of security architecture activities. You’ll apply human judgement and responsible AI guardrails to ensure outputs are appropriately reviewed and escalated. What You’ll Do Develop enterprise security architecture strategies aligned with business and regulatory requirements, using approved AI-enabled tools where appropriate to accelerate research, analysis and insight Lead the design of secure systems, networks and applications across on-premise, cloud and hybrid environments Conduct threat modelling and risk assessments, define remediation strategies, and explore responsible AI and automation to improve the efficiency and quality of security analysis while maintaining human review Guide DevSecOps adoption by designing embedded security and controls within the SDLC, including appropriate guardrails, audit trails and escalation pathways for AI-enabled workflows Champion security awareness and mentor teams across engineering, architecture and delivery, encouraging responsible experimentation with approved AI tools where they can improve productivity and outcomes What We’re Looking For Extensive experience designing and implementing secure architectures across cloud and hybrid environments Experience designing solutions using Palo Alto, Microsoft or similar security ecos

About Appspace: At Appspace, we’re passionate about creating better work experiences for people everywhere, and we’re looking for people that feel the same way. Our global office locations and flexible work culture help you work wherever and however you’re at your best. Plus, we take the time to help you enjoy your work, build lasting connections, and grow your role. Join the Appspace team and be a part of a culture that’s helping people everywhere love where they work. Your Role as a Security Architect : We’re looking for a Security Architect with a passion for securing Artificial Intelligence platforms, AI-driven code analysis, MCP security testing, promoting OWASP Top-Ten testing standards and supporting the Security Engineering program through the Software Application Maturity Model. A proven history of leading complex security transformations. This is a hands-on, deeply technical role, not an advisory position, ideal for someone who thrives at the intersection of engineering, security and client engagement. You'll use your expertise to penetration test cloud security, software security, and AI platforms whilst leading clients through high-impact security initiatives. A key focus of the role is conducting forensic investigations across cloud platforms (AWS, Azure, GCP), including containerized environments like Kubernetes. In this role, you'll lead the architecture. design and implementation of modern security solutions, working directly with engineering teams to embed AI and Software Development best practices across their teams. You’ll get your hands dirty configuring, maintaining, and remediating infrastructure—particularly within Google Cloud or Microsoft Azure—including networks, firewalls, and web application firewalls. If you’re looking to lead, build, and solve real-world security problems in the cloud, this role was built for you. A Day in the Life of a Security Architect : Lead and execute security transformation initiatives fo

Security Architect - AI-Powered Security Engineering About the Team The security team at Meesho is like the Avengers to Meesho's S.H.I.E.L.D. When 5% of Indian households shop with us, it’s important to build resilient systems to manage millions of orders every day. We’ve done this, with zero downtime! We value speed over perfection, and see failures as opportunities to become better. By 2030, Meesho will be the world’s most trusted and secure digital ecosystem, operating on an AI-native, Zero-Trust, self-healing architecture. As we shift toward an era where autonomous agents generate and deploy code, we want to ensure our security scales seamlessly with engineering velocity. We place special emphasis on the continuous growth of each team member, fostering a strong 'Founder’s Mindset' that helps us move fast. About the Role We are looking for a highly technical, hands-on Security Architect (Individual Contributor) to guide and lead our AI-Powered Security Engineering charter. In this role, you will bridge the gap between conventional DevSecOps, infrastructure security, and the rapidly evolving landscape of AI. You will optimize our AI-driven Software Development Lifecycle (SDLC) by designing secure-by-default guardrails for both human developers and AI coding agents. Your mission is to ensure near-zero vulnerabilities from application and data security failures reach production. A significant portion of your focus will involve advanced Red Teaming, utilizing LLMs to improve Meesho's security posture, and architecting defenses for our autonomous AI systems against prompt injection, data leakage, and jailbreaking attacks. What You Will Do <span style="font-

About Graphcore Graphcore is a globally recognized leader in Artificial Intelligence computing systems. The company designs advanced semiconductors and data center hardware that provide the specialized processing power needed to drive AI innovation, while delivering the efficiency required to support its broader adoption. As part of the SoftBank Group, Graphcore is a member of an elite family of companies responsible for some of the world’s most transformative technologies. We are opening a new AI Engineering Campus in Austin, which will play a central role in Graphcore's work building the future of AI computing. About the Role We are seeking a Principal Security Architect to design, maintain and secure scalable infrastructure solutions for cryptographic key management. In this strategic role, you will be responsible for evaluating, deploying and manage Hardware Secure Modules from the ground up, ensuring compliance with standards across different regions. You will also enable multiple teams by supporting them for control and automation. You will be expected to drive and implement policies for key and certificate creation, rotation, and revocation. Collaboration with stakeholders to analyze requirements and implement robust access controls is essential while demonstrating operational excellence. RESPONSIBILITIES Design and deploy scalable, secure infrastructure solutions from scratch, aligned with business requirements and security standards. Hardware Secure Module ownership and governance. Develop organizational standards, policies, access models, and workflows to ensure consistent, secure usage of the platform. Conduct risk and compliance assessments to support system security plans and disaster recovery strategies. Collaborate on requirement analysis, user and key story operations, and capacity planning to ensure optimal resource utilization. Advocate for best practices in secret lifecycle management, a

Why Sony Interactive Entertainment? Sony Interactive Entertainment isn’t just the Best Place to Play — it’s also the Best Place to Work. Sony Interactive Entertainment (SIE) is the company behind the PlayStation brand. As a subsidiary of Sony Group Corporation, we’re part of a proud legacy of innovation and excellence. SIE is a dynamic technology company, delivering cutting-edge hardware and network services to more than 100 million people and an entertainment leader, home to some of the most beloved and recognizable intellectual properties (IP) in the world. Our role at SIE is to create and nurture the experiences under the PlayStation brand, a name synonymous with entertainment excellence and creativity. Sony Interactive Entertainment Security Architecture | Cloud | AI Security | Enterprise Platforms We are seeking a Staff Security Architect to help shape and secure the next generation of enterprise, cloud, platform, and AI-enabled technology. This role combines deep security architecture expertise with strong engineering judgment and the ability to influence technical direction across complex, global environments. The successful candidate will partner with engineering, infrastructure, product, and security teams to identify systemic risk, develop scalable security patterns, and guide secure adoption of emerging technologies, including generative AI and agentic systems. Key Responsibilities Design, review, and approve security architecture for enterprise, cloud, SaaS, platform, and application environments, balancing business objectives, engineering constraints, and risk. Lead cloud security architecture across AWS, Google Cloud, and hybrid environments, including identity, network security, data protection, logging and monitoring, key management, workload isolation, security posture management, and the effective use of native and third-party cloud security controls. Define and review security architecture for SaaS and PaaS platforms, including ident

Why Sony Interactive Entertainment? Sony Interactive Entertainment isn’t just the Best Place to Play — it’s also the Best Place to Work. Sony Interactive Entertainment (SIE) is the company behind the PlayStation brand. As a subsidiary of Sony Group Corporation, we’re part of a proud legacy of innovation and excellence. SIE is a dynamic technology company, delivering cutting-edge hardware and network services to more than 100 million people and an entertainment leader, home to some of the most beloved and recognizable intellectual properties (IP) in the world. Our role at SIE is to create and nurture the experiences under the PlayStation brand, a name synonymous with entertainment excellence and creativity. Sony Interactive Entertainment Security Architecture | Cloud | AI Security | Enterprise Platforms We are seeking a Staff Security Architect to help shape and secure the next generation of enterprise, cloud, platform, and AI-enabled technology. This role combines deep security architecture expertise with strong engineering judgment and the ability to influence technical direction across complex, global environments. The successful candidate will partner with engineering, infrastructure, product, and security teams to identify systemic risk, develop scalable security patterns, and guide secure adoption of emerging technologies, including generative AI and agentic systems. Key Responsibilities Design, review, and approve security architecture for enterprise, cloud, SaaS, platform, and application environments, balancing business objectives, engineering constraints, and risk. Lead cloud security architecture across AWS, Google Cloud, and hybrid environments, including identity, network security, data protection, logging and monitoring, key management, workload isolation, security posture management, and the effective use of native and third-party cloud security controls. Define and review security architecture for SaaS and PaaS platforms, including ident