Senior DevOps Engineer - Repository Migration (Freelance, Remote)

We are looking for an experienced DevOps Engineer / Artifact Repository Migration Consultant to support an international enterprise in migrating its existing software artifact repository to a modern, managed solution. The consultant will take ownership of the technical implementation, from requirements analysis and solution evaluation through migration, CI/CD integration, and decommissioning of the existing infrastructure. Project Details - Start: November 1, 2026 (planned) - Duration: January 31, 2027 - Workload: Full-time - Location: 100% Remote - Europe-based candidates only - Contract: Freelance - Language: English - Working Hours: Central European business hours Tasks - Analyze the existing Sonatype Nexus repository environment, including repositories, artifact formats, dependencies, and usage patterns. - Assess migration requirements and identify artifacts to be migrated, regenerated, or retired. - Define technical and security requirements for the future artifact repository solution. - Evaluate managed/SaaS repository solutions, conduct proof-of-concept assessments, and recommend a suitable target architecture. - Configure and implement the selected solution, including authentication, permissions, retention policies, and proxy/mirror functionality. - Execute artifact migration and validate data integrity, checksums, and artifact accessibility. - Reconfigure CI/CD pipelines and developer tooling, prepare technical documentation, and support the transition. - Decommission the legacy repository environment and related cloud infrastructure. Requirements - Proven hands-on experience with artifact repository migrations, particularly Sonatype Nexus as the source system. - Strong experience with managed/SaaS artifact repository solutions such as JFrog Artifactory, Azure Artifacts, GitHub Packages, or AWS CodeArtifact. - Solid DevOps expertise and practical experience with CI/CD pipelines, particularly Jenkins and GitHub Actions. - Hands-on experience configuring Maven, npm, and related package management tools. - Strong AWS knowledge, including experience decommissioning AWS-hosted infrastructure. - Experience evaluating technical solutions, conducting PoCs, and providing vendor-neutral architecture recommendations. - Familiarity with enterprise authentication (Microsoft Entra ID / SSO), role-based access control, and artifact security/compliance controls is an advantage. - Fluent English communication skills and availability during Central European business hours; German is a plus. Find Jobs in Germany on Arbeitnow