Hybrid Principal AWS Cloud & Platform Architect

Nine Twenty; London Borough of Islington; Hybrid; GBP 86,000 - 117,000; Part time

Job summary

Nine Twenty is seeking a Principal AWS Cloud & Platform Architect in London (hybrid) for an initial 3-month contract. You will shape and govern complex cloud, platform, and application modernization solutions, leading technical discovery and guiding engineering teams from design to delivery.

Expect strong AWS expertise, multi-cloud awareness, and hands-on leadership of architecture, cost-conscious decisions, and governance forums.

Qualifications

• Extensive senior cloud/platform architecture experience in enterprise environments.
• Deep AWS knowledge across networking, security, compute, containers, storage and governance.
• Strong Kubernetes/container platform experience, preferably with Amazon EKS.
• Proven Terraform, Helm, CI/CD pipelines and automated provisioning expertise.
• Observability across metrics, logs, distributed tracing with OpenTelemetry knowledge.

Responsibilities

• Lead AWS architecture from discovery through design and implementation.
• Define target-state, transition, and migration architectures including hybrid/multi-cloud.
• Design landing zones and cloud-native environments using Kubernetes, EKS and Docker.
• Guide application modernization with microservices, APIs, event-driven patterns and serverless.
• Set IaC standards with Terraform and Helm; architect CI/CD and GitOps.
• Promote platform engineering practices like self-service and golden paths.
• Design end-to-end observability with OpenTelemetry, CloudWatch, Grafana and Prometheus.
• Oversee AI gateway capabilities using LiteLLM and governance.
• Act as senior technical authority in client workshops and design reviews.
• Contribute to proposals, statements of work and estimates; mentor architects and engineers.

Skills

AWS expertise

Kubernetes

Terraform

CI/CD pipelines

OpenTelemetry

LiteLLM

Cloud governance

Architecture documentation

Serverless

Multi-cloud

Education

AWS Certifications (professional)

CKA/CKAD/CKS certifications

DevOps Engineer Professional

Tools

Terraform

Helm

Docker

Amazon EKS

Grafana

Prometheus

CloudWatch

OpenTelemetry

Job description

Nine Twenty is seeking a Principal AWS Cloud & Platform Architect in London (hybrid) for an initial 3-month contract. You will shape and govern complex cloud, platform, and application modernization solutions, leading technical discovery and guiding engineering teams from design to delivery.

Expect strong AWS expertise, multi-cloud awareness, and hands-on leadership of architecture, cost-conscious decisions, and governance forums.