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Senior AWS Platform Engineer
Job in
Greater London, London, Greater London, W1B, England, UK
Listed on 2026-10-09
Listing for:
Gravitas Group
Full Time
position Listed on 2026-10-09
Job specializations:
-
IT/Tech
AWS
Job Description & How to Apply Below
Role Overview
We are looking for someone to work alongside principal engineers and peers to make a high-traffic publishing platform simpler, safer and better understood. Reports to a Principal Platform Engineer, supporting technical strategy, hands-on delivery, mentoring and standards.
Rate: £300 (Outside)
Location: Remote
Contract: 6 Months
Start
: ASAP
Legacy estate & migration
- Investigate the legacy estate across six AWS accounts: what exists, why, and what depends on it
- Decide with the team what to retire, consolidate or keep
- Bring unmanaged and Cloud Formation resources into Terraform (the standard for all new work since 2023)
Security & reliability
- Find and fix infrastructure security issues across IAM, networking, secrets and data stores
- Make changes safely to the large, shared Cloud Front distribution in front of everything
Platform operations
- Operate and improve EKS clusters, serverless Lambda applications and RDS databases (mostly Postgres)
- Improve CI/CD pipelines on CircleCI and Git Hub
Agentic AI
- Build and support infrastructure for agentic AI workloads, including Amazon Bedrock and Agent Core
- Use agentic coding tools in your own work and help the team adopt them safely
Team & standards
- Carry out thorough infrastructure code reviews (security, reliability, cost)
- Mentor and guide other engineers
- Write clear documentation and architecture diagrams
- 8+ years of commercial platform, Dev Ops or infrastructure engineering
- Deep multi-account AWS: EKS, Lambda, RDS, Cloud Front, IAM, VPC
- CircleCI and Git Hub for CI/CD
- Strong Terraform, plus enough Cloud Formation to read it and migrate away from it
- Solid Linux administration and scripting (Python or Bash)
- Kubernetes and Docker in production
- Engineering fundamentals: version control discipline, small reversible changes, automated testing of infrastructure code
- Security by design and observability (monitoring, logging, alerting)
- Genuine interest in agentic AI, with views on where it helps and where it doesn’t
Position Requirements
10+ Years
work experience
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