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PCCW

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

Core Competencies

Role fit
Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in managing OpenShift and GKE clusters, utilizing Helm, Terraform, and GitOps for application deployment, and ensuring system health through Prometheus, FluentD, and Grafana. Proficient in troubleshooting networking and DNS issues in a data center environment while maintaining data processing systems like Apache Druid, MySQL, and PostgreSQL.

Highest-signal resume keywords
OpenShift ManagementGKE On-Prem ExperienceHelm DeploymentTerraform AutomationPrometheus Monitoring

ATS Keywords

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Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills
OpenShiftGKEHelmTerraformPrometheusFluentDGrafanaApache DruidMySQLPostgreSQL
Industry Keywords
GitOpsNetworkingDNSData Center

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.