Information Security

Security Architect

Visa

London · Greater London · United Kingdom

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Overview

As a Security Architect in Visa’s Cybersecurity M&A team, you will safeguard platforms, applications, and operations by leading security reviews and threat mitigation. You’ll shape cloud and container security in AWS and Kubernetes (EKS) and integrate security into CI/CD with engineering teams. You’ll refine policies, assess emerging threats, and provide guidance to build security-aware cultures. This role offers meaningful impact at scale and a path to advance security in a global payments ecosystem.

Responsibilities
  • Conduct in-depth security assessments and threat modelling across AWS, EKS, web applications and APIs to identify vulnerabilities and mitigations
  • Design and implement security architectures for cloud environments, focusing on AWS and Kubernetes (EKS)
  • Partner with DevOps and software teams to embed security practices in CI/CD and the development lifecycle
  • Develop and refine security policies and procedures to strengthen protection and support compliance
  • Assess emerging threats, tools, and methodologies to inform strategic recommendations
  • Provide technical guidance and training to internal teams to strengthen security awareness and practices
Key requirements
  • Security architecture reviews and threat modelling using industry standards
  • Designing security controls for SaaS applications and backend services across API gateways, IAM, data protection, and SIEM-based monitoring
  • Familiarity with OWASP Top 10 and CWE Top 25 vulnerabilities
  • Strong understanding of SaaS, PaaS, and IaaS security considerations
  • Understanding of secure development lifecycle methodologies and Agile practices
  • Working knowledge of Java, C#, and .NET; ability to complete a coding assessment
  • Penetration testing experience is a strong advantage
  • Experience with intrusion detection/prevention, firewalls, antivirus, policy enforcement, configuration management, security monitoring, audit
  • Generative AI: advanced hands-on use of AI harnesses, automated workflows and engineering integrations
  • M&A activities experience is a plus
  • Collaboration with cross-functional teams (cybersecurity, engineering, pentesting, operations)
  • Strong written and verbal communication; ability to document findings for technical and non-technical stakeholders
  • Industry certifications such as CISSP, GIAC, or OSCP, or willingness to pursue them
  • collaboration
  • clear communication
  • ability to work with cross-functional teams
  • AWS
  • Kubernetes (EKS)
  • API security and gateways

Reference: WJ-747_31294636 · Posted 14 Nov 2026, 11:40 PM

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