Karthikeyan V.

⚡ Top Rated Plus · 🌟 100% Job Success · 🕒 3,400+ hours 🛡️ AWS Certified Security – Specialty 🛡️ Microsoft Certified: Cloud and AI Security Engineer Associate (SC-500) 🛡️ OCI Certified: Oracle Cloud Infrastructure Security Professional I build and secure production cloud platforms on AWS, Azure, and OCI — and I audit fintech environments for PCI DSS certification. Terraform, Kubernetes, GitOps, done properly and documented. WHAT CLIENTS HIRE ME FOR: ✅ Production platform builds — private EKS / AKS / OKE, ECS Fargate, modular Terraform & Terragrunt, ArgoCD GitOps ✅ Cloud security & compliance — WAF, SIEM/SOC integration, IAM hardening, penetration-test remediation, PCI DSS / HIPAA readiness ✅ CI/CD engineering — GitHub Actions with OIDC (zero stored credentials), blue/green deployments, Trivy security gates ✅ PCI DSS cloud auditing — I work with a security assessment firm preparing payment-industry AWS environments for QSA certification RECENT WORK (client names under NDA): 🔹 Complete AWS platform for a fintech/payments company — private EKS on Fargate, ArgoCD GitOps, WAF + Network Firewall, Wazuh SIEM, encrypted RDS/Redis/RabbitMQ, payment-partner VPN connectivity. Remediated their external penetration-test findings. 🔹 Enterprise Azure hub-and-spoke platform for a US healthcare company — 20+ reusable Terraform modules, AKS with workload identity (zero stored credentials), Trivy-gated GitOps pipelines, full security audit with 45+ findings triaged. 🔹 22-service ECS Fargate platform for a real-time market-data SaaS — blue/green CodeDeploy, custom deployment tooling, OpenTelemetry observability, market-open autoscaling. 🔹 OCI platform build for a workforce-verification SaaS — OKE Kubernetes, Terragrunt/OpenTofu, workload identity, Cloud Guard, full handover documentation. 🔹 PCI DSS audit & remediation for two payment-processing clients — CIS benchmarking, audit logging with CloudWatch + auditd, KMS-encrypted session logging, QSA evidence preparation. WHY CLIENTS KEEP ME AROUND: Multiple engagements ran 1,000+ hours. 0–4 hour response time. "Professional, skilled, and reliable" — real client feedback. I don't just ship infrastructure — I document it, secure it, and hand it over so your team can run it. 🧰 Core stack: AWS · Azure · OCI · Terraform · Terragrunt · Kubernetes · Helm · ArgoCD · Docker · GitHub Actions · Jenkins · GitLab CI · Prometheus · Grafana · Wazuh · Python · Bash 📜 AWS Certified Security – Specialty (valid through 2028) · Oracle Cloud Infrastructure Security Professional — scored 98% (valid through 2028) · Microsoft Certified: Cloud and AI Security Engineer Associate (SC-500) 💬 Tell me about your cloud environment — happy to start with a quick architecture or security review.