Senior DevOps Engineer (AWS Platform)

About the role

A security-first fintech scale-up building a globally distributed platform is looking for a Senior DevOps Engineer to scale and mature its AWS infrastructure. Reporting to the Head of DevOps, you will own a set of AWS platforms supporting multiple environments and services, focusing on resilience, scalability, cost efficiency and developer experience, and drive standardisation through infrastructure as code. The role is remote and hands-on, working closely with Engineering, WebApps, QA and Security teams.

Key responsibilities

• Design, build and manage AWS infrastructure with Terraform, focusing on reusable modules and standardisation
• Operate and optimise AWS services such as ECS, EC2, Lambda, SQS/DLQ, CloudWatch and IAM
• Develop and improve CI/CD pipelines (GitHub Actions, CodeDeploy) for reliable deployments
• Build and enhance observability (logging, monitoring, alerting) across distributed systems
• Manage identity and access controls, including SSO and access brokering
• Work with Security on platform hardening and integration with security tooling (e.g. SIEM, DLP)
• Contribute to platform engineering initiatives and drive cost optimisation (rightsizing, reserved capacity, scaling, cost visibility)
• Troubleshoot production issues, perform root cause analysis and implement long-term fixes
• Work with Compliance teams on PCI DSS, ISO 27001 and SOC 2 compliance

Required profile

• Strong experience as a Senior DevOps / Platform Engineer in AWS environments
• Proven experience with Terraform, including reusable modules
• Experience designing and operating multi-region architectures
• Experience with identity and access management, including SSO
• Experience building and maintaining observability and monitoring systems

Required skills

• Deep hands-on AWS expertise (ECS, EC2, Lambda, IAM, CloudWatch, SQS, networking such as VPC, security groups, NACLs)
• CI/CD with GitHub Actions, CodeDeploy or similar
• Linux and containerisation (Docker, ECS)
• Solid understanding of the AWS Well-Architected Framework

What we offer

• Salary from GBP 68,000 depending on experience
• Remote-first setup with flexible working hours and work-from-abroad flexibility
• 28 days holiday plus bank holidays
• Private medical insurance (including dependants) and pension contributions
• Support for training, certifications and professional development