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September 21, 2026
CRM Applications Administrator (Kubernetes/Cloud)
Mid • On-site
Warsaw, Poland
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Quick Facts
Role: CRM Applications Administrator focused on Kubernetes-based application operations in cloud environments (Google and Microsoft). The job includes deployment/operations, monitoring, 2nd-line ticket handling, and shift/on-call coverage for 24/7 availability.
Description
Maintain CRM applications across production, test, and development environments, including Kubernetes operations in Google and Microsoft cloud. Deploy and manage updates and configurations, handle incident tickets as 2nd line support, perform monitoring, and automate operational processes with CI/CD. Work with users, testing teams, vendors, and group stakeholders, including Microsoft and Google.
Responsibilities
- Maintain CRM applications in production, test, and development environments
- Maintain applications deployed on Kubernetes in Google and Microsoft cloud environments
- Upload changes: configuration, updates, and installation of new environments
- Provide 2nd-line support for tickets related to these applications
- Perform operational work orders and monitoring
- Work shifts and take part in on-call rotations to ensure 24/7 availability
- Collaborate with users, testing teams, vendors, and group companies (Microsoft, Google)
- Automate maintenance processes using CI/CD
Requirements
- Several years of experience supporting applications using Kubernetes and Docker
- Strong database skills with SQL/PLSQL; Oracle (preferred) and PostgreSQL (preferred)
- Unix/Linux operating system knowledge
- Knowledge of Kubernetes tooling such as GitLab, Helm, ArgoCD, and Harbor
- Experience supporting applications hosted on Google and Microsoft clouds
- Familiarity with application servers: JBoss, WildFly
- Monitoring experience: Zabbix, Grafana/Prometheus, Loki, ElasticSearch/VictoriaLogs
- Knowledge of Jenkins and Jira
- English skills sufficient to understand documentation and communicate with English-speaking support
- Ability to work shifts and be on-call for 24/7 availability
Benefits
- Responsible role in a major telecommunications group
- Supportive team culture and knowledge-sharing environment
- Stable employment: employment contract or B2B contract
- Hybrid model (4 remote days, 1 office day)
- Flexible hours (8/5 with paid on-call)
- Work with modern cloud-native technologies
- Training and certifications (especially GCP and Kubernetes)
- Benefits: Multisport card, LuxMed medical care, life insurance, and group employee offers
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