DevOps Engineer

6 days ago

Thessaloniki, Central Macedonia, Greece Onelity Full time €60,000 - €80,000 per year

Your Mission:

As a DevOps Engineer, you'll be responsible for designing, implementing, and maintaining the infrastructure of a platform, being part of a greenfield project, building a modern solution from the ground up. Your work will ensure smooth deployments, high availability, and scalability across

environments.

In this role, you will:

  • Build and maintain containerized environments using Docker and Kubernetes
  • Set up and configure Keycloak authentication and provisioning
  • Develop and manage CI/CD pipelines for reliable, automated delivery
  • Support infrastructure-as-code practices with Helm and related tools
  • Ensure system monitoring, observability, and alerting (Prometheus, Grafana, OpenTelemetry)
  • Work closely with developers to optimize build, deployment, and runtime processes
  • Support secure, scalable API gateway and load balancing (Kong, Caddy, AWS ALB)
  • Contribute to performance tuning, resilience, and security hardening of the platform

This role is perfect for you if:

  • Solid hands-on experience with Kubernetes and Docker in production environments
  • Practical experience with
    Keycloak
    for authentication and identity management
  • Experience with CI/CD (GitHub Actions, Jenkins, or similar)
  • Knowledge of cloud infrastructure (AWS preferred) and infrastructure-as-code practices
  • Familiarity with observability tools (Prometheus, Grafana, OpenTelemetry)
  • Understanding of networking, security, and authentication (OAuth2.0, OIDC, SAML is a plus)
  • Strong problem-solving skills and a collaborative mindset
  • (Bonus) Experience with API gateways (Kong), load balancing, or advanced cloud networking

Reasons to join us:

  • Shape the frontend of a new, large-scale platform from scratch
  • Work with a cutting-edge tech stack and modern tools
  • Be part of a collaborative, agile, and international team
  • Flat hierarchies, open communication, and flexible work culture

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