Freelance Cloud Security Engineers in LondonFreelance Cloud Security Engineers in London
Cover image for Zero Trust Security Hardening
Zero Trust Security Hardening
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Cover image for Cloud Infrastructure — AWS, EKS
Cloud Infrastructure — AWS, EKS & CI/CD Pipeline Architecture diagram representing the infrastructure stack I design and manage for clients. Covers a full CI/CD pipeline (GitHub Actions → Docker multi-arch build → Helm deploy), an Amazon EKS cluster with production-hardened pods (HPA, PodDisruptionBudgets, NetworkPolicies), supporting AWS services (RDS, S3, IAM), and observability via Prometheus and OpenTelemetry.
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Cover image for Lifecycle Automation - Onboarding &
Lifecycle Automation - Onboarding & Offboarding Description: Replaced a manual spreadsheet-based process with a fully automated system using Okta Workflows and API integrations.
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Cover image for Multi-Arch Docker Pipeline — GitHub
Multi-Arch Docker Pipeline — GitHub Actions · GHCR CI/CD pipeline building multi-architecture Docker images (linux/amd64 + linux/arm64) via GitHub Actions and CircleCI. Uses Docker Buildx with QEMU emulation, multi-stage Dockerfiles for minimal production images, and automatic tagging by commit SHA, branch, and latest. Images are published to GitHub Container Registry (GHCR) with a multi-arch manifest. Deployments use Helm with atomic upgrades and automatic rollback, targeting both ephemeral preview environments and production EKS clusters.
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Cover image for Production Helm Chart — Kubernetes
Production Helm Chart — Kubernetes Deployment A production-grade Helm chart managing a multi-component application on Kubernetes. Includes separate server and worker deployments, HPA and PodDisruptionBudgets for resilience, NetworkPolicies for pod-level traffic control, a pre-deploy migration job, ingress with TLS, and a PostgreSQL dependency. Structured with separate values files for local dev and production environments.
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