07/10/2026 updated
100 % available
DevOps / Platform Engineer | AWS | Terraform | CI/CD
Osijek, Croatia
Only remote
High School Diploma - Ecology TechnicianAbout me
Platform Engineer, 5 years of experience in IT. AWS Solutions Architect Professional. Experienced in creating and maintaining systems in German private healthcare. C5 and ISO regulatory framework knowledge. Helping with automated OS installation, patching, scanning, encryption.
GitHub ActionsCloud EngineeringLinuxDevOpsAWS VPCAWS ECSBaramundiTerraformDocker
AWS Cloud Infrastructure
Expertise in managing AWS Managed Landing Zones built from reusable Terraform modules, including account and OU creation, SCPs, logging, encryption, and backups. Hands-on experience with AWS services such as S3, CodeBuild, ECR, ECS Fargate, KMS, IAM, and AWS Systems Manager.
Infrastructure as Code with Terraform
Development of Terraform modules for multi-account environments, including serverless Lambdas and container delivery pipelines. Implementation of repository-based Terraform module versioning and token-based access to improve CI/CD delivery speed.
CI/CD Pipeline Engineering
Design and optimization of GitHub Actions CI/CD workflows, achieving a 30% improvement in delivery speed. Building secure, multi-account container delivery pipelines with KMS encryption and least-privilege IAM roles.
Scripting and Automation
Automation of recurring tasks using Bash and PowerShell, including Windows and Linux patching via AWS Systems Manager, reducing manual maintenance effort by approximately 25 hours per month across around 100 EC2 instances.
Containerization
Experience with Docker and ECS Fargate for building and deploying containerized applications within secure, multi-account delivery pipelines.
Linux Server Administration
Execution of large-scale Linux server migrations while maintaining service continuity and configuration fidelity. Troubleshooting of multi-distro incidents and resolution of server performance problems.
Configuration Management and Automation Tools
Use of Puppet and Ansible for automating tasks and resolving server performance issues. Administration of approximately 300 Windows and Linux endpoints using baramundi, automating OS imaging, inventory scans, and patching workflows.
AWS Certifications
Holder of AWS Certified Solutions Architect Professional, AWS Certified Developer Associate, and AWS Certified SysOps Administrator Associate certifications.
Collaboration and Documentation Tools
Authoring of internal and customer technical documentation and architecture diagrams for C5 compliance reviews. Proficiency in VS Code, Jira, Confluence, and Salesforce for ticketing and knowledge management.
Expertise in managing AWS Managed Landing Zones built from reusable Terraform modules, including account and OU creation, SCPs, logging, encryption, and backups. Hands-on experience with AWS services such as S3, CodeBuild, ECR, ECS Fargate, KMS, IAM, and AWS Systems Manager.
Infrastructure as Code with Terraform
Development of Terraform modules for multi-account environments, including serverless Lambdas and container delivery pipelines. Implementation of repository-based Terraform module versioning and token-based access to improve CI/CD delivery speed.
CI/CD Pipeline Engineering
Design and optimization of GitHub Actions CI/CD workflows, achieving a 30% improvement in delivery speed. Building secure, multi-account container delivery pipelines with KMS encryption and least-privilege IAM roles.
Scripting and Automation
Automation of recurring tasks using Bash and PowerShell, including Windows and Linux patching via AWS Systems Manager, reducing manual maintenance effort by approximately 25 hours per month across around 100 EC2 instances.
Containerization
Experience with Docker and ECS Fargate for building and deploying containerized applications within secure, multi-account delivery pipelines.
Linux Server Administration
Execution of large-scale Linux server migrations while maintaining service continuity and configuration fidelity. Troubleshooting of multi-distro incidents and resolution of server performance problems.
Configuration Management and Automation Tools
Use of Puppet and Ansible for automating tasks and resolving server performance issues. Administration of approximately 300 Windows and Linux endpoints using baramundi, automating OS imaging, inventory scans, and patching workflows.
AWS Certifications
Holder of AWS Certified Solutions Architect Professional, AWS Certified Developer Associate, and AWS Certified SysOps Administrator Associate certifications.
Collaboration and Documentation Tools
Authoring of internal and customer technical documentation and architecture diagrams for C5 compliance reviews. Proficiency in VS Code, Jira, Confluence, and Salesforce for ticketing and knowledge management.
Experience
Professional experience5 - 10 years
Freelancer since2026
Languages
EnglishFluentCroatianNative speaker
Project history
Maintained an AWS Managed Landing Zone built from reusable Terraform modules covering account/OU creation, SCPs, logging, encryption, and backups. Authored internal and customer technical documentation and architecture diagrams for C5 compliance reviews. Reworked GitHub Actions CI/CD pipelines, improving delivery speed by 30%. Developed Terraform modules and serverless Lambdas; automated recurring tasks with Bash and PowerShell. Built a secure, multi-account container delivery pipeline with KMS encryption and least-privilege IAM roles. Automated Windows and Linux patching using AWS Systems Manager, reducing manual maintenance by approximately 25 hours per month across approximately 100 EC2 instances. Administered approximately 300 Windows and Linux endpoints across 5 clients using baramundi.
Executed large-scale Linux server migrations while maintaining service continuity and configuration fidelity. Troubleshot multi-distro incidents via tickets, chat, and phone using Salesforce; created KB articles and trained junior staff. Investigated malware/spam incidents and resolved server performance problems; automated tasks with Puppet and Ansible.
Certificates
AWS Solutions Architect Professional
Amazon Web Services2025
AWS Certified Developer
Amazon Web Services2025
AWS Certified SysOps Administrator - Associate
Amazon Web Services2024