Site Reliability Engineer

PCCW

Site Reliability Engineer supporting on-premises container and virtual machine infrastructure. Ensuring stability of OpenShift and GKE On-Prem clusters with automation and monitoring.

Posted 7/9/2026full-timeAthens • 🇬🇷 GreeceMid-LevelSeniorWebsite

Tech Stack

Tools & technologies

ApacheDNSGoGrafanaMySQLOpenShiftPostgresPrometheusPythonTerraform

About the role

Key responsibilities & impact

Assist in the day-to-day operations and maintenance of OpenShift and GKE (Anthos) clusters running on local hardware.
Use Helm, Terraform and GitOps to deploy applications across on-prem environments.
Configure and manage Prometheus, FluentD, and Grafana to maintain visibility into system health.
Support the performance and availability of Apache Druid, MySQL and PostgreSQL for data processing.
Troubleshoot local DNS, routing, and connectivity issues between geographically dispersed clusters.

Requirements

What you’ll need

Hands-on experience with OpenShift and GKE On-Prem.
Experience with Helm, GitOps, and Terraform.
Familiarity with Prometheus, Fluentd and Grafana.
Familiarity with maintaining Apache Druid, MySQL and PostgreSQL clusters.
Understanding of Networking and DNS in a data center context.
Proficiency in Python or Go is a nice to have.

Benefits

Comp & perks

Our company supports the self-development of the employees and provides professional training programs for networking, software development and cloud technologies.
From time to time, you will be requested to travel for work to attend internal gatherings and workshops or to represent the company at conferences or meetings.

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

OpenShiftGKEHelmTerraformPrometheusFluentDGrafanaApache DruidMySQLPostgreSQL