07/20/2026 updated

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Senior Platform Engineer | Kubernetes | AWS | Terraform | GitHub Actions | Remote EU

Argiroupoli, Greece
Only remote
MSc Telecommunications, BSc Electrical and Computer Engineering
Argiroupoli, Greece
Only remote
MSc Telecommunications, BSc Electrical and Computer Engineering

Profile attachments

Sokratis_Kapetaneas_CV.pdf

About me

Senior Platform Engineer with 10+ years of experience designing production cloud infrastructure. Specialized in Kubernetes platforms, Terraform, GitOps and AWS. I help engineering teams build reliable cloud platforms, migrate workloads with zero downtime, and reduce operational complexity.

ObservabilityArgo CDGitHub ActionsPlatform EngineeringGCPKubernetes SecurityAmazon Web ServicesAmazon CloudfrontMicrosoft AzureCloud EngineeringElasticsearchAnsiblePrometheusGrafanaGitlab-ciKubernetesTerraformAWS EKSDocker
Senior Platform Engineer / Cloud Infrastructure Consultant with 10+ years of experience in Cloud and 6+ years operating production Kubernetes environments.

Expert in designing and running scalable, high-availability systems using AWS (EKS, VPC, IAM), Terraform, GitOps-based CI/CD platforms as well as multi-cloud and hybrid cloud environments (AWS, GCP, Azure).

Strong track record in improving system reliability, optimizing cloud costs, and delivering production-ready infrastructure for distributed systems.

Available for EU remote B2B contracts

Cloud: AWS (EKS, EC2, IAM, VPC, S3, CloudWatch, CloudFront, RDS), GCP, Azure
Containers: Kubernetes (EKS, GKE, AKS), Helm, Docker
Infrastructure as Code: Terraform/OpenTofu, AWS CDK
CI/CD: ArgoCD, GitHub Actions, GitLab CI, Jenkins
Monitoring: Prometheus, Grafana, Loki, Elasticsearch
Systems: Linux, Networking, Security
Architecture: Cloud Architecture, Platform Design, Infrastructure Scaling, Network Architecture

Experience

Professional experience10+ years
Freelancer since2025

Languages

EnglishFluentGreekNative speaker

Project history

Lead DevOps / Platform Engineer

Designed and operated serverless infrastructure on AWS (Lambda,DynamoDB,API Gateway, ALB,S3).
Managed pipelines on Azure DevOps

Cloud/DevOps Consultant

Designed and implemented GCP cloud infrastructure using Opentofu
Migrated CloudRun services to GKE with zero-downtime
Automated infrastructure provisioning and application deployment using Github actions

Lead Platform / Cloud Engineer

KX

Banking & Financial Services

1000-5000 team member

  • Designed and operated AWS infrastructure supporting production/qa/development workloads across multiple environments and teams
  • Acted as primary owner for cloud infrastructure and platform reliability across multiple environments ï‚· Led Kubernetes platform operations (EKS, GKE, AKS), ensuring scalability, reliability, and security
  • Delivered infrastructure-as-code solutions using Terraform across multi-environment setups
  • Adopted GitOps-based deployment workflows using ArgoCD and Helm
  • Improved system reliability and observability through monitoring, logging, and alerting
  • Optimised cloud architecture and reduced infrastructure costs across environments
  • Designed and operated On-Prem Kubernetes environments on bare-metal Infrastructure using Openshift and Vanilla Kubernetes (kubeadm) and automated cluster upgrades using CI pipelines

Cloud & Infrastructure Engineering Team Lead

AsianLogic

Other

1000-5000 team member

  • Led a cross-functional team of infrastructure and cloud engineers, defining priorities and direction
  • Lead the implementation of infrastructure modernization based on Kubernetes and Hashicorp Vault
  • Improved environment provisioning by utilizing Terraform, Ansible and GitLab CI

Senior DevOps / Platform Engineer

Ticketmaster

Other

5000-10.000 team member

  • Managed AWS infrastructure including networking (VPC, CloudFront. ALB), IAM, compute (EC2), databases (RDS) and security (WAF)
  • Deployed and supported containerized workloads using Kubernetes and Docker
  • Automated infrastructure provisioning using Terraform, Ansible and CI pipelines
  • Setup fully automated deployment process in Jenkins using Terraform, Ansible and GitLab
  • Implemented monitoring and alerting using Prometheus, Grafana, Elasticsearch, Cloudwatch

Senior DevOps Engineer

Tripsta

Internet & IT

250-500 team member

  • Supported Linux-based systems on bare-metal (Hetzner) and cloud infrastructure on AWS
  • Automated infrastructure and application deployment automation using Saltstack and CI/CD pipelines
  • Managed open source software (nginx, tomcat, HAproxy, Redis, RabbitMQ)
  • Implemented monitoring and alerting using Graphite, Grafana and Elasticsearch
  • Maintained system performance, availability, and security

Senior Infrastructure / DevOps Engineer

Arrikto

Internet & IT

50-250 team member

  • Designed and operated a fully automated bare-metal Infrastructure based on Ansible and Github
  • Supported Linux-based servers, networking and storage (Ceph)
  • Deployed and operated a VM Infrastructure using Ganeti

Infrastructure / DevOps Engineer

Nova

Internet & IT

1000-5000 team member

  • Linux//Windows Systems Administration on bare-metal and Private Cloud Platforms (VMware, KVM)
  • Implemented monitoring and alerting using Nagios, Graphite and Grafana
  • Configuration management using Chef and Ansible
  • Managed various open source software (nginx, apache, tomcat, HAproxy, MongoDB, MySQL)

Infrastructure Architect

Western Union

Banking & Financial Services

5000-10.000 team member

  • Linux/Windows Systems Administration on bare-metal and VMware infrastructure
  • Designed and Implemented Disaster Recovery Site utilizing VMware and EMC replication
  • Managed various open source software (apache, tomcat, JBoss)

Infrastructure Engineer

Accenture

Internet & IT

>10.000 team member

  • Linux/Solaris/Windows Systems Administration on bare-metal and VMware infrastructure
  • Managed various open source software (apache, tomcat, JBoss)

Software Engineer

Intracom Telecom

Internet & IT

500-1000 team member

  • Developed a .NET application on C# for location detection and wireless communication

Certificates

AWS SysOps Administrator

AWS

2025

AWS Solutions Architect

AWS

2023

Red Hat Certified Systems Administrator

Red Hat

2013

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