Freelance Cloud Security Engineers in CopthorneFreelance Cloud Security Engineers in Copthorne
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Denis Aptula's avatar
Denis Aptula
London, UK
🌐 Expert Cloud Security Solutions
🌐 Expert Cloud Security Solutions
Cover image for Azure Sentinel Security Monitoring
Azure Sentinel Security Monitoring
0
8
Cover image for Implementation of Cloud Security Controls
Implementation of Cloud Security Controls
0
5
Cover image for Comprehensive Azure and SIEM Deployment
Comprehensive Azure and SIEM Deployment
0
8
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Cloud Security Engineer(3)
Jason Smyth's avatar
Jason Smyth
proCopthorne, UK
Cyber expert specialising in Azure Security Services.
$10k+
Earned
4x
Hired
5.0
Rating
19
Followers
Cyber expert specialising in Azure Security Services.
Cover image for Configure SIEM Security Operation using Microsoft Sentinel
Configure SIEM Security Operation using Microsoft Sentinel
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33
Cover image for Microsoft Sentinel & Splunk ES Engineer for up to 6 months
Microsoft Sentinel & Splunk ES Engineer for up to 6 months
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2
Cover image for Extended Interview Process for CrowdStrike SIEM Specialist
Extended Interview Process for CrowdStrike SIEM Specialist
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7
Cover image for Setting up and optimising Microsoft Sentinel
Setting up and optimising Microsoft Sentinel
0
35
Cloud Security Engineer(1)
Neil Seymour's avatar
Neil Seymour
London, UK
Cloud Infrastructure Engineer · AWS · Kubernetes · Docker
New to Contra
Cloud Infrastructure Engineer · AWS · Kubernetes · Docker
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.
0
40
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.
0
36
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.
0
60
Cover image for Preview Environment System · CI-Driven
Preview Environment System · CI-Driven · Full Stack Automated preview environment system triggered by CI pipelines. On every PR tagged for preview, a GitHub Actions pipeline builds and pushes a branch-tagged Docker image, which triggers a Northflank webhook to instantiate a full-stack environment from a template — server, worker, PostgreSQL, migrations, and a unique subdomain URL. Environments are completely isolated per PR with no shared state, spin up in minutes, and are automatically destroyed when the PR is closed or merged. Production releases follow the same pipeline on merge to master, using Helm atomic upgrades with zero-downtime rolling updates.
0
34
Cloud Security Engineer(3)
Moyosore Ogunjale's avatar
Moyosore Ogunjale
London, UK
Okta & IAM Consultant - SSO, SCIM & Identity Automation
New to Contra
Okta & IAM Consultant - SSO, SCIM & Identity Automation
Cover image for Zero Trust Security Hardening
Zero Trust Security Hardening
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12
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Lifecycle Automation - Onboarding & Offboarding Description: Replaced a manual spreadsheet-based process with a fully automated system using Okta Workflows and API integrations.
0
30
Cover image for Designed and built a production-ready
Designed and built a production-ready internal AI support bot from scratch. The system uses a five-layer RAG architecture to ingest and retrieve knowledge from different knowledge sources, e.g. Confluence, Jira, Notion, and Slack, enabling staff to get accurate, source-cited answers to internal queries directly within Slack. Built entirely on internal infrastructure using the Claude API, Supabase, and pgvector - ensuring zero data exposure outside the organisation. The knowledge base spans 10,000+ entries across 4 data sources, with hybrid retrieval combining semantic search, keyword fallback, and query rewriting for accuracy. The bot replaced a manual support model, reduced repetitive query handling, and introduced a scalable self-service layer for internal IT support / helpdesk - while resolving the data privacy concerns that had blocked a third-party vendor solution.
0
16
Cover image for SSO & SCIM Rollout
SSO & SCIM Rollout
0
21
Cloud Security Engineer(2)
Dimitris Pallis's avatar
Dimitris Pallis
London, UK
Penetration Tester - OSCP 🛡️
5.0
Rating
Penetration Tester - OSCP 🛡️
Cover image for Penetration Tester
Penetration Tester
0
32
Cover image for Offensive Security Engineer
Offensive Security Engineer
0
17
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Penetration Testing Expert
0
17
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Cloud Security Engineer(3)
TAIMUR IJLAL's avatar
TAIMUR IJLAL
London, UK
I will write awesome cybersecurity & tech content
I will write awesome cybersecurity & tech content
Cover image for Three Strategies for a Successful DevSecOps Implementation
Three Strategies for a Successful DevSecOps Implementation
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24
Cover image for Cybersecurity book or ebook
Cybersecurity book or ebook
0
48
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Cloud Security Guy
0
44
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Cloud Security Engineer(2)
Deval G's avatar
Deval G
London, UK
DevSecOps & Cloud Compliance & Automation specialist
DevSecOps & Cloud Compliance & Automation specialist
Cover image for Manage Microservice Infrastructure
Manage Microservice Infrastructure
0
0
Cover image for Cost Optimization Managed Service
Cost Optimization Managed Service
0
1
Cover image for Cloud architecture automation
Cloud architecture automation
0
1
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Cloud Security Engineer(1)