DevOps Consultant

Job Title: DevOps Engineer / Architect (Atlassian to OpenSource Migration) Job Type: Contract B2B Job Location: Full Remote ( with 1 initial week onsite in Luxembourg) Pay Rate: Engineer - €540/day plus €290/day on-call days. Pay Rate: Architect - €660/day About the Role Migrate a legacy Atlassian suite (Jira, JSM, Confluence) to a modern OpenSource stack (Zammad, OpenProject, XWiki) on Red Hat OpenShift. Engineer: Build and run the platform. Deploy, tune, automate, monitor, on-call. Architect: Design the strategy. HA architecture, zero-downtime migration, governance, mentoring. Required Skills Both roles: - Java development, previous or current - Jira administration and development - Groovy scripting, including ScriptRunner - Unix and Red Hat Linux Engineer also: - Terraform, Ansible, GitLab CI, ArgoCD - OpenShift, Kubernetes, Helm - PostgreSQL, ETL scripting (Python, Bash, Go) - API gateways (Kong, Gravitee, Tyk), n8n - Dynatrace - Ruby on Rails, Java/Tomcat, Redis, Elasticsearch/Solr troubleshooting Architect also: - Deep Zammad, OpenProject, XWiki stack knowledge - Expert OpenShift, Kubernetes, Docker - Terraform, Ansible, ArgoCD, GitOps - IdP integration (OIDC, SAML, SCIM) - PostgreSQL clusters (pg_bouncer, replication), Elasticsearch/Solr - Dynatrace (AIOps, SLOs, dashboards) Bonus: - Zammad, OpenProject, XWiki experience or willingness to learn Mandatory - Bachelor's or Master's in Computer Science, IT, or related - 5+ years Cloud/DevOps - Engineer: API integrations, microservices in OpenShift - Architect: proven OpenShift migration portfolio - RHCA, RHCE, or CKA desirable - EU citizenship - Fluent English Additional - Engineer: shifts (07:00 to 20:00 CET) and 7-day on-call rotation - 1 week onsite in Luxembourg, rest remote, up to 6 years How to Apply Submit your CV ASAP