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