Senior Cloud Platform Engineer | AWS

Senior Cloud Platform Engineer | AWS | Kubernetes | Security Hands on platform engineering role with a strong security focus at a scaling fintech Remote - Applicants must already be living in the UK with the correct right to work. Our client builds a data platform used by financial services firms to process and act on time sensitive market information at speed. They've recently secured significant new investment to accelerate growth, and engineering is scaling across the board. We're looking for a Senior Cloud Platform Engineer to join a small, experienced engineering team and take genuine ownership across their AWS platform. This is first and foremost a hands on engineering role. You'll work across AWS, Kubernetes, Terraform, GitOps and CI/CD, helping build, operate and improve the infrastructure behind a modern financial technology platform. Security is also an important part of the position. You won't need to be a dedicated Security Engineer or come with deep governance and compliance experience, but you should understand how to build and operate secure cloud infrastructure and be comfortable taking ownership of security related engineering work. You'll work closely with both the Platform Engineer and CISO, helping translate security requirements into practical technical solutions across the platform. This is a genuinely broad role within a small team. They need someone who can understand a problem, work out what needs doing and implement it, rather than operating within a narrow silo. What you'll be doing Owning and improving production infrastructure across AWSBuilding and operating Kubernetes environments, with a strong understanding of how to run and secure them in productionDeveloping infrastructure as code using TerraformBuilding and improving GitOps and CI/CD workflows, including ArgoCDWorking across cloud security hardening, IAM, least privilege and access controlsImplementing security improvements across CI/CD pipelines, Git repositories, containers and cloud infrastructureWorking with Wiz and the wider team to understand cloud security findings and turn them into practical remediationWriting scripts and tooling in Python, Go or similar to automate infrastructure, operational and security processesWorking closely with engineering and security to solve problems across traditional team boundariesHelping shape platform engineering practices as the business and engineering organisation continue to scale What we're looking for Strong hands on AWS experience within production environmentsDeep experience with Terraform and infrastructure as codeStrong Kubernetes experience, ideally including EKSSolid CI/CD and GitOps experienceExperience scripting or building tooling in Python, Go or similarGood practical understanding of cloud and infrastructure security, including areas such as IAM, least privilege, vulnerability management, container security and secure CI/CDSomeone comfortable taking security requirements and implementing the technical solutionA broad engineering mindset and willingness to take ownership rather than operating within a narrow siloSomeone comfortable working as a senior individual contributor within a small engineering team Nice to have Experience with Wiz or another CNAPP/CSPM platformArgoCD experienceExperience with Auth0, Entra ID or similar identity toolingApplication or software supply chain security experience Salary: £75,000 to £85,000 + 20% bonus and benefits Interested? Drop me a message and I'll share more context on the business and the role.