About UsVisa is a world leader in payments technology, facilitating transactions between consumers, merchants, financial institutions and government entities across more than 200 countries and territories, dedicated to uplifting everyone, everywhere by being the best way to pay and be paid.At Visa, you'll have the opportunity to create impact at scale — tackling meaningful challenges, growing your skills and seeing your contributions impact lives around the world.Join Visa and do work that matters - to you, to your community, and to the world. Currency cloud, part of Visa, is a technology-driven company specializing in cross-border payments. As an Infrastructure Engineer, you will play a key role in designing, building, and operating scalable, secure, and resilient cloud infrastructure on AWS.This mid-level role is ideal for engineers with proven experience in cloud technologies, automation, DevOps practices, and distributed systems. You will work closely with senior engineers and cross-functional teams to drive improvements, implement best practices, and ensure the reliability of the systems powering our global payment network.AWS Infrastructure Engineering:Design, build, and maintain AWS services at scale, including: Maintain and optimise network configurations across VPCs, including transit gateways, subnets, routing, and security groups.Investigate and resolve operational issues, ensuring high availability and performance.Infrastructure Automation & IaC:Develop and maintain infrastructure-as-code (IaC) using Terraform, implementing reusable, secure modules.Drive improvements to automation workflows and configuration management.Use Helm to package and manage Kubernetes deployments.Implement and troubleshoot service mesh technologies such as Istio.CI/CD & Deployment AutomationDesign, maintain, and optimise CI/CD pipelines with tools such as ArgoCD, Jenkins, and Terraform Cloud.Automate deployment workflows, testing, and release processes to improve delivery speed and reliability.Monitoring, Observability & Reliability:Build and enhance monitoring, logging, and alerting systems using CloudWatch, Datadog, and other observability platforms.Manage key lifecycle and cryptographic operations using AWS KMS.Collaboration & Documentation:Collaborate with developers, data teams, and platform engineering to ensure infrastructure meets product and compliance needs.Contribute to knowledge sharing and help mentor associate engineers.AI & Automation:Use AI coding assistants (e.g. Contribute to automation of BAU workflows via AI-driven agents/skills (ticket triage, vuln scanning, upgrade checks, PR review).Evaluate AI-generated infrastructure changes for security/compliance risk before merge.Contribute to internal AI tooling: writing/improving automation skills, evals, prompts for team's Claude Code plugin marketplace.Visa requires at least 3 days in office, expectations of these days will be confirmed by your Hiring Manager.QualificationsEducation & Qualifications:Bachelor’s degree in computer science, Information Technology, or equivalent practical experience.Industry certifications in cloud or DevOps are a plus.Professional AWS experience operating production workloads.Strong hands-on knowledge of core AWS services (EC2, VPC, IAM, RDS, S3, etc.).Experience building and maintaining CI/CD pipelines.Solid scripting experience using Python, Bash, or similar.Experience with monitoring/observability stacks (CloudWatch, Datadog, OpenTelemetry, etc.).Good understanding of networking fundamentals (DNS, routing, VPNs, load balancing, firewalls).Understanding of DevOps methodologies and cloud operational best practices.Experience with Istio or other service mesh technologies.Familiarity with automated infrastructure deployment pipelines.Experience with project management tooling such as Jira.AWS certifications (Solutions Architect, SysOps, DevOps Engineer).Exposure to LLM-based dev tools, prompt engineering basics, or building/maintaining AI agent workflows.Strong planning, prioritisation, and organisational abilities.Ownership mindset with a drive to deliver high-quality solutions.Visa is an EEO EmployerQualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, sexual orientation, gender identity, disability or protected veteran status. Visa will also consider for employment qualified applicants with criminal histories in a manner consistent with EEOC guidelines and applicable local law.SummaryLocation: GB - London, United KingdomType: Full time
Systems Engineering Engineer in London employer: Visa
Visa is an exceptional employer that fosters a dynamic work culture, encouraging innovation and collaboration among its employees. With a strong focus on professional development, Visa offers numerous growth opportunities and the chance to work on cutting-edge financial technologies in a global environment. Located in a vibrant area, employees benefit from a supportive atmosphere that values diversity and inclusion, making it a rewarding place to build a meaningful career.
