11/02/2026 updated
SP
100 % available
Senior DevOps/Cloud Engineer | AWS | Kubernetes | Data Infrastructure | FinOps
Nicosia, Cyprus
Only remote
MBA, Tech-Financial SystemsAmazon Elastic Compute CloudCloud EngineeringVirtual Private ServersApache CloudStackConfiguration ManagementDevOpsAnsibleDataOpsPulumiCloud Platform SystemDocker for AWSApache CassandraDocker SwarmInfrastructure as Code (IaC)AWS VPC
Cloud & Infrastructure (AWS)
Extensive experience designing, automating and operating production infrastructure across AWS services including IAM, VPC, EC2, RDS, EMR, ECS, EKS, S3, EFS, Lambda, Step Functions, API Gateway, WAF, Organizations, Billing, CloudWatch, Route 53, ECR, Glue, Athena, Kinesis and DynamoDB.
Kubernetes & Containers
Deep expertise in Kubernetes and Amazon EKS, including Helm, Docker, Argo CD, GitOps, RBAC, ingress, service accounts and managing high-availability workloads.
Infrastructure as Code, CI/CD & Automation
Strong background in IaC and automation using Terraform, Ansible, Puppet, Pulumi, Packer, Bash, Python, GitHub Actions, Jenkins and GitLab CI for building and maintaining scalable infrastructure pipelines.
Data & Stateful Platforms
Hands-on experience with Apache Kafka, Apache Druid, Apache Cassandra, Redshift, OpenSearch, Elastic Stack, PostgreSQL, MySQL, Hazelcast and Riak for data-intensive and stateful platform operations.
Reliability, Networking & FinOps
Proficiency in observability and reliability tooling including Prometheus, Grafana, CloudWatch, Splunk, New Relic, HAProxy, NGINX, F5 BIG-IP, Infoblox, AWS Billing, cost visibility and right-sizing recommendations.
Configuration Management
Extensive use of Puppet, Ansible and Terraform for configuration management, deployment automation and maintaining consistent infrastructure states across environments.
Scripting & Programming
Practical experience writing automation and operational scripts in Python, Bash, Go, Perl and PHP to support infrastructure teams and streamline operational tasks.
Containerization & Orchestration
Experience with Docker, Apache Mesos, Marathon and CoreOS for containerizing and orchestrating workloads, including migration of legacy services to containerized infrastructure.
Linux Systems Administration
Solid foundation in Unix/Linux systems administration across Debian, RHEL and other distributions, including second- and third-level support for large-scale infrastructure and cloud environments.
Extensive experience designing, automating and operating production infrastructure across AWS services including IAM, VPC, EC2, RDS, EMR, ECS, EKS, S3, EFS, Lambda, Step Functions, API Gateway, WAF, Organizations, Billing, CloudWatch, Route 53, ECR, Glue, Athena, Kinesis and DynamoDB.
Kubernetes & Containers
Deep expertise in Kubernetes and Amazon EKS, including Helm, Docker, Argo CD, GitOps, RBAC, ingress, service accounts and managing high-availability workloads.
Infrastructure as Code, CI/CD & Automation
Strong background in IaC and automation using Terraform, Ansible, Puppet, Pulumi, Packer, Bash, Python, GitHub Actions, Jenkins and GitLab CI for building and maintaining scalable infrastructure pipelines.
Data & Stateful Platforms
Hands-on experience with Apache Kafka, Apache Druid, Apache Cassandra, Redshift, OpenSearch, Elastic Stack, PostgreSQL, MySQL, Hazelcast and Riak for data-intensive and stateful platform operations.
Reliability, Networking & FinOps
Proficiency in observability and reliability tooling including Prometheus, Grafana, CloudWatch, Splunk, New Relic, HAProxy, NGINX, F5 BIG-IP, Infoblox, AWS Billing, cost visibility and right-sizing recommendations.
Configuration Management
Extensive use of Puppet, Ansible and Terraform for configuration management, deployment automation and maintaining consistent infrastructure states across environments.
Scripting & Programming
Practical experience writing automation and operational scripts in Python, Bash, Go, Perl and PHP to support infrastructure teams and streamline operational tasks.
Containerization & Orchestration
Experience with Docker, Apache Mesos, Marathon and CoreOS for containerizing and orchestrating workloads, including migration of legacy services to containerized infrastructure.
Linux Systems Administration
Solid foundation in Unix/Linux systems administration across Debian, RHEL and other distributions, including second- and third-level support for large-scale infrastructure and cloud environments.
Experience
Professional experience10+ years
Freelancer since2022
Languages
EnglishFluentFrenchBasic knowledgeGreekNative speakerSpanishGood
Project history
Design, build and operate AWS-based infrastructure supporting application, data and platform engineering teams across cloud and hybrid environments. Develop and maintain infrastructure as code using Terraform, Ansible, Puppet, Pulumi and Packer. Implement CI/CD and GitOps workflows using GitHub Actions, Jenkins and Argo CD. Design and operate Kubernetes-based platforms using Amazon EKS, Helm, Docker and supporting AWS services. Build and support high-availability infrastructure for internal platform services including Artifactory, GitHub Actions self-hosted runners, Amazon ECS, Amazon EKS and Apache Druid. Design infrastructure for on-demand development environments using Terraform and GitHub Actions. Support data-platform infrastructure involving Apache Kafka, Amazon EMR, Apache Druid, AWS Lambda, Amazon API Gateway and related AWS services. Support multi-DC Apache Cassandra, observability, production troubleshooting, ISO 27001 practices and FinOps activities using AWS Billing, AWS Organizations and cost-aware infrastructure review.
Supported Sportsbook engineering teams with infrastructure automation, deployment workflows, configuration management, incident troubleshooting and site reliability practices. Developed and maintained infrastructure code using Puppet, Terraform and Ansible. Built deployment and automation tooling using Python, Bash and Go. Supported migration of legacy services to containerized infrastructure using Docker, Apache Mesos, Marathon and AWS. Worked with development teams to troubleshoot infrastructure, networking and application delivery issues affecting Java and Node.js services. Managed traffic-management and network infrastructure components including F5 BIG-IP, Stingray Traffic Manager, HAProxy and Infoblox. Designed infrastructure automation for Riak-based NoSQL caching services and contributed to AWS migration planning for Sportsbook microservices.
Provided second- and third-level Unix/Linux operations support for large-scale infrastructure and cloud environments. Troubleshot incidents, performed root-cause analysis and provided feedback to application and infrastructure teams. Managed configuration automation using Puppet and supported OpenStack-based infrastructure and internal platform services. Supported NetApp 7-Mode and MetroCluster storage environments, Linux, Docker, CoreOS, Cassandra, MySQL, Ceph, LDAP and L2/L3 networking. Developed Python and Bash scripts to automate operational tasks and support internal teams.