Contract: 6 - 8 months
Location: Remote - Europe
Working hours: Good overlap with UK working hours
We are looking for a Senior Platform Engineer to join an established engineering team working on the modernisation of a large-scale, high-traffic technology platform. This is a hands‑on role focused on understanding and improving a complex AWS estate. You will work alongside Principal Engineers to investigate existing infrastructure, reduce legacy complexity, improve security and progressively move infrastructure under Terraform management. You will also contribute to the infrastructure supporting the organisation’s growing use of agentic AI on AWS.
What you'll be doing Mapping infrastructure, traffic flows, ownership and dependencies
Identifying infrastructure that can be retired, consolidated or modernised
Migrating existing CloudFormation and manually managed AWS resources into Terraform
Managing Terraform state and resource imports safely
Operating and improving production EKS clusters
Supporting AWS Lambda applications and RDS/PostgreSQL databases




Working extensively with CloudFront, IAM, VPC and AWS networking
Identifying and resolving infrastructure security issues
Improving CI/CD pipelines using CircleCI and GitHub
Improving monitoring, logging, alerting and platform reliability
Supporting infrastructure for agentic AI workloads on AWS
Reviewing infrastructure changes across security, reliability, performance and cost
Mentoring engineers and supporting engineering best practices
Producing clear technical documentation and architecture diagrams
What we're looking for You will be a highly experienced Platform, DevOps, SRE or Infrastructure Engineer with strong hands‑on experience operating production AWS environments.
You should have: Deep hands‑on AWS experience, ideally across multiple AWS accounts
Experience migrating existing or legacy infrastructure into Terraform
Strong experience with EKS / Kubernetes and Docker
Experience with Lambda and RDS/PostgreSQL
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📌 Platform Engineer (España)
🏢 La Fosse
📍 España