DevOps Engineer (M/F)

• Design, develop and maintain enterprise CI/CD pipelines using Jenkins and Harness across multiple environments.
• Build and optimize Jenkins Pipelines as Code using Groovy (Declarative and Scripted Pipelines).
• Develop reusable shared libraries and pipeline templates to enable self-service automation for development teams.
• Implement advanced deployment strategies, including parallel execution, matrix builds, canary releases and blue-green deployments.
• Create and maintain Bash scripts supporting build automation, deployment orchestration and operational tasks.
• Automate software delivery processes while improving deployment quality, repeatability and reliability.
• Collaborate closely with software engineers and operations teams to streamline release processes and enhance deployment efficiency.
• Design and maintain Git branching strategies supporting efficient CI/CD workflows.
• Integrate automated testing, security scanning and quality gates into deployment pipelines.
• Support Infrastructure as Code and Configuration as Code practices where applicable.
• Monitor pipeline performance, investigate failures and continuously improve build stability.
• Contribute to secure CI/CD processes by implementing secrets management, access controls and security best practices.
• Prepare and maintain technical documentation, operational procedures and troubleshooting guides.

• Bachelor's degree in Computer Science, Engineering or a related technical field.
• At least 5 years of commercial experience in DevOps, CI/CD engineering or automation.Strong hands-on experience with Jenkins, including:

- Pipeline as Code using Groovy

- Declarative and Scripted Pipelines

- Shared Libraries

- Plugin management and integrations

- Master/Agent configuration and scaling

• Experience with Harness or another enterprise Continuous Delivery platform.
• Advanced Bash scripting skills.
• Good knowledge of Groovy used for Jenkins automation.
• Experience working with Git and modern branching strategies.
• Familiarity with build tools such as Maven, Gradle, npm or pip.
• Understanding of automated testing integration within CI/CD pipelines.
• Strong troubleshooting skills with the ability to optimize build and deployment processes.
• Excellent communication and collaboration skills.
• Polish (minimum B2) and English (minimum C1).

Nice to Have:

• Experience with Docker and Kubernetes.
• Exposure to cloud platforms such as AWS, Azure or GCP.
• Knowledge of Infrastructure as Code tools (Terraform, Ansible).
• Experience with additional CI/CD platforms such as GitLab CI, GitHub Actions, CircleCI or Azure DevOps.
• Familiarity with monitoring and observability tools (Prometheus, Grafana, Datadog).
• Knowledge of artifact repositories such as Nexus, Artifactory or Harbor.
• Experience integrating security tools into CI/CD pipelines (SonarQube, Snyk, Wiz).
• Understanding of microservices architecture and modern deployment patterns.
• Familiarity with Linux environments and additional scripting languages.
• Experience working in regulated environments (e.g. PCI DSS).

• Long-term B2B cooperation in an IT contracting model (24 months with a strong possibility of extension).
• Hybrid work model (2–3 days per week from the Warsaw office).
• Opportunity to work on enterprise-scale CI/CD platforms supporting mission-critical systems.
• Modern technology stack and large-scale automation projects.
• Collaboration with experienced DevOps and engineering teams.
• Exposure to advanced deployment strategies and cloud-native technologies.
• Stable, long-term cooperation on a strategic project.