About the Role

We’re a security-first fintech scale-up building a globally distributed platform, and we’re looking for a Senior DevOps Engineer to help scale and mature our AWS infrastructure.

Reporting to the Head of DevOps, you’ll take ownership of a AWS platforms supporting multiple environments and services. You’ll focus on improving resilience, scalability, cost efficiency, and developer experience, while driving standardisation through infrastructure as code and platform best practices.

This is a hands-on role where you’ll collaborate closely with Engineering, WebApps, QA, and Security teams to build systems that are robust, observable, and aligned with AWS best practices and the Well-Architected Framework.

What You’ll Be Doing

Design, build, and manage AWS infrastructure using Terraform, with a focus on reusable modules and standardisation
Operate and optimise AWS services including ECS, EC2, Lambda, SQS/DLQ, CloudWatch, IAM
Develop and improve CI/CD pipelines (GitHub Actions, CodeDeploy) for consistent, reliable deployments
Build and enhance observability frameworks (logging, monitoring, alerting) across distributed systems
Implement and manage identity and access controls, including SSO and access brokering
Collaborate with Security on platform hardening and integration with security tooling (e.g. SIEM, DLP)
Contribute to platform engineering initiatives
Drive cost optimisation efforts across AWS (rightsizing, reserved capacity, scaling strategies, and cost visibility)
Troubleshoot production issues, perform root cause analysis, and implement long-term fixes
Continuously improve infrastructure through automation, documentation, and best practices
Working closely with Engineering team to design, deploy, harden and consistently keep secure containerisation and deployment
Working with Compliance teams on PCI DSS, ISO27001 and SOC2 standards, making sure infrastructure is compliant

Required:

Strong experience as a Senior DevOps / Platform Engineer in AWS environments
Deep hands-on expertise with AWS services (ECS, EC2, Lambda, IAM, CloudWatch, SQS, etc.)
Strong knowledge of AWS networking (VPC design, routing, security groups, NACLs, private/public architectures)
Proven experience with Terraform, including building reusable modules
Openness to and experience with infrastructure-as-code approaches, with Terraform preferred but alternative IaC tools considered
Solid understanding of AWS Well-Architected Framework and cloud best practices
Experience designing and operating multi-region architectures
Strong CI/CD experience (GitHub Actions, CodeDeploy or similar)
Experience with identity and access management, including SSO
Strong Linux and containerisation knowledge (Docker, ECS)
Experience building and maintaining observability and monitoring systems

Desirable:

Experience with security tooling integrations (SIEM, DLP, etc.)
Experience working in regulated environments (PCI DSS, ISO 27001, etc.)
Experience with Terraform automation tooling (e.g. Terraform Cloud, Atlantis)
Familiarity with Internal Developer Platforms (IDP) or self-service infrastructure models
Experience with Cloudflare WAF or similar edge security tooling
Exposure to Kubernetes (EKS or Other)
Exposure to Kafka
Familiarity with MongoDB
Scripting or programming experience (any language; Rust a bonus)

Competitive salary 68,000+ DOE
Flexible working hours and remote-first setup
Work-from-abroad flexibility
28 days holiday + bank holidays
Private medical insurance (including dependants)
Pension contributions
Training, certifications, and professional development support

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Senior DevOps Engineer (AWS Platform)