SRE / DevOps Engineer (Mid-Senior, Lead) - Serbia, Poland, Croatia, Portugal

The team is looking for an experienced Site Reliability Engineers (Lead or Senior level and Middle level) to support and automate the environment for hosted agents within a large-scale CI/CD infrastructure. The engineer will focus on improving reliability, performance, and automation for build and deployment systems while driving technical initiatives and mentoring others. The role involves close collaboration with engineering and DevOps teams to maintain and evolve infrastructure that supports continuous delivery pipelines and virtualized environments across multiple operating systems. Tasks Support and automate CI/CD infrastructure for hosted agents (Linux, Windows, macOS); Migrate and optimize pipelines and workflows from Azure DevOps to GitHub Actions; Design and maintain infrastructure-as-code (IaC) solutions using Azure Bicep, Terraform, and ARM Templates; Develop and maintain canary testing systems and image-generation processes using Packer; Manage virtual and cloud environments (Azure IaaS/PaaS, VMware vSphere); Troubleshoot build, deployment, and infrastructure issues and drive long-term fixes; Implement and maintain monitoring and logging solutions (Azure Monitor, Log Analytics); Collaborate with cross-functional teams to ensure reliability, scalability, and cost efficiency; Mentor junior engineers and participate in on-call rotation and incident response activities.

Nice to have:

Windows or macOS administration experience; Experience with Azure services (Scale Sets, Key Vault, Service Principals, Storage); Familiarity with Git workflows (branches, forks, PRs);

• Experience designing and maintaining composite GitHub Actions.

Requirements

• Proven leadership experience in technical or operational roles;
• Strong Linux administration and troubleshooting background;
• Advanced debugging and problem-solving skills;
• Hands-on experience with CI/CD tools, preferably GitHub Actions or Azure Pipelines;
• Expert-level PowerShell and Bash scripting skills;

Upper-intermediate English and strong communication abilities. Benefits Remote/Hybrid/On-site Location: Serbia, Poland, Croatia, Portugal; Overlap: CET business hours; Interview process: Recruiting call / Techical stage / Internal screening with current team.