OpenShift/Kubernetes Platform Engineer

Billennium

Warszawa

Hybrid

PLN 180,000 - 240,000

Full time

9 days ago
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Job summary

Billennium is seeking an experienced OpenShift / Kubernetes Administrator to join a long-term project based in Warsaw. The role focuses on building and maintaining modern cloud-native platforms and database solutions.

The candidate will administer OpenShift and Kubernetes environments, manage PostgreSQL databases on Kubernetes, implement GitOps with Argo CD, and own CI/CD pipelines within GitLab and OpenShift. Hybrid work based in Warsaw is preferred.

Qualifications

  • Hands-on experience administering OpenShift or Kubernetes platforms.
  • Strong understanding of containerized environments, networking, storage, and RBAC.
  • Experience with CI/CD and GitOps practices.
  • Experience managing PostgreSQL databases in Kubernetes environments.
  • Knowledge of Git, GitLab, and infrastructure automation.
  • Experience with monitoring and logging solutions (Prometheus, Grafana, Loki, or similar).
  • Understanding of security best practices in Kubernetes/OpenShift environments.
  • Good communication skills and ability to work effectively in a collaborative team environment.

Responsibilities

  • Administration and maintenance of OpenShift and Kubernetes environments.
  • Installation, configuration, and lifecycle management of OpenShift clusters.
  • Management of PostgreSQL databases running on Kubernetes (CNPG / EDB Postgres).
  • Configuration and maintenance of high-availability solutions, including failover, switchover, and replication.
  • Backup and recovery management using Barman, S3, and WAL archiving.
  • Implementation and maintenance of GitOps practices with Argo CD.
  • Creation and support of CI/CD pipelines within GitLab and OpenShift.
  • Monitoring, logging, troubleshooting, and performance optimization of platform services.
  • Implementation of security best practices across containerized environments.

Skills

OpenShift
Kubernetes
CI/CD
GitOps
PostgreSQL
GitLab
Monitoring
Security
RBAC
Networking
Storage

Tools

Prometheus
Grafana
Loki

Job description

Billennium is seeking an experienced OpenShift / Kubernetes Administrator to join a long-term project based in Warsaw. The role focuses on building and maintaining modern cloud-native platforms and database solutions.

The candidate will administer OpenShift and Kubernetes environments, manage PostgreSQL databases on Kubernetes, implement GitOps with Argo CD, and own CI/CD pipelines within GitLab and OpenShift. Hybrid work based in Warsaw is preferred.

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