Senior AWS Platform Engineer - Remote, Terraform & Security

Gravitas Group; Greater London; Remote; GBP 47,000 - 64,000; Full time

Job summary

Gravitas Group is seeking a seasoned Platform Engineer to work with principal engineers to simplify and harden a high-traffic publishing platform. You will support technical strategy, hands-on delivery and mentoring, reporting to a Principal Platform Engineer.

The role focuses on migrating legacy infrastructure to Terraform, securing IAM, network and data stores, and operating EKS clusters, Lambda applications and RDS databases.

Qualifications

• 8+ years in platform, DevOps or infrastructure engineering.
• Deep multi-account AWS experience: EKS, Lambda, RDS, CloudFront, IAM, VPC.
• CI/CD with CircleCI and GitHub.
• Strong Terraform; understand CloudFormation to migrate away.
• Solid Linux administration and scripting (Python or Bash).
• Kubernetes and Docker in production; observability and security by design.

Responsibilities

• Assess legacy estate across six AWS accounts and plan retire/consolidate.
• Migrate unmanaged resources to Terraform.
• Identify and fix infra security issues across IAM, networking, secrets, data stores.
• Operate and improve EKS clusters, Lambda apps and Postgres RDS; enhance CI/CD.
• Support agentic AI workloads with Bedrock and AgentCore; promote safe tooling.
• Lead code reviews for infrastructure, mentor engineers, document architecture.

Skills

AWS multi-account

Terraform

Kubernetes

Docker

CI/CD (CircleCI)

Linux scripting

Security by design

Observability

Agentic AI interest

Tools

CloudFormation

CircleCI

GitHub

EKS

RDS

Job description

Gravitas Group is seeking a seasoned Platform Engineer to work with principal engineers to simplify and harden a high-traffic publishing platform. You will support technical strategy, hands-on delivery and mentoring, reporting to a Principal Platform Engineer.

The role focuses on migrating legacy infrastructure to Terraform, securing IAM, network and data stores, and operating EKS clusters, Lambda applications and RDS databases.