OpenShift Administrator

Network Greece (remote) Full-time

DESCRIPTION

Job Summary:

We are seeking a skilled and proactive OpenShift Administrator with in-depth experience managing and supporting Red Hat OpenShift environments, along with strong knowledge of DELL storage systems and HPE serversAnsible automation, and virtual networking technologies. The ideal candidate will play a critical role in maintaining, optimizing, and automating container platform infrastructure for mission-critical applications.

Key Responsibilities:

  • Deploy, configure, manage, and support Red Hat OpenShift Container Platform clusters (bare-metal or virtualized).
  • Maintain and monitor DELL/HPE servers and storage systems (e.g., PowerStore, Unity, Compellent) used in the container infrastructure.
  • Implement infrastructure as code using Ansible for automating configuration, deployment, and patching tasks.
  • Design, configure, and troubleshoot virtual networking elements including VXLAN, VLANs, bridges, and virtual switches (e.g., OVS, vSwitch).
  • Ensure high availability, performance tuning, and reliability of the OpenShift platform and associated infrastructure.
  • Work closely with development, security, and network teams to support DevOps pipelines and containerized applications.
  • Manage storage provisioning, performance optimization, and backup/recovery for virtual machines.
  • Apply security hardening, access controls, and auditing policies across OpenShift and supporting systems.
  • Provide documentation, runbooks, and training to other teams as needed.
  • Respond to incidents, perform root cause analysis, and contribute to continuous improvement initiatives.

REQUIREMENTS

Required Skills & Qualifications:

  • 3+ years of hands-on experience with Red Hat OpenShift or other Kubernetes-based platforms.
  • Proven experience with DELL EMC storage systems (PowerStore, Unity, VxRail, etc.) and DELL PowerEdge servers.
  • Proficiency with Ansible for system automation and configuration management.
  • Solid understanding of virtual networking, including DPDK concepts and tools used in virtual environments.
  • Experience with Linux (preferably RHEL/CentOS) system administration.
  • Knowledge of container technologies (Docker, CRI-O), CI/CD workflows, and GitOps practices.
  • Familiarity with monitoring/logging tools like Prometheus, Grafana, ELK, or equivalent.
  • Strong troubleshooting and scripting skills (Bash, Python, etc.).
  • Good understanding of IT security practices and compliance standards.
  • Experience working with Telco equipment

Preferred Qualifications:

  • Red Hat Certified Specialist in OpenShift Administration (EX280) or equivalent certification.
  • Experience with virtualization platforms such as VMwareKVM, or Red Hat Virtualization.
  • Familiarity with infrastructure provisioning tools (Ansible, Terraform, Helm, etc.).
  • Exposure to hybrid cloud or multi-cloud environments (AWS, Azure, GCP).
  • Experience in a DevOps or SRE role supporting container-based microservices at scale.

ABOUT WEBBING

Founded in early 2010, Webbing is a global data MVNO that delivers enterprise grade, global connectivity and IoT services across more than 200 countries and 600+ mobile carriers' networks. Webbing's secured network delivers network protection and web content intelligence.

Enterprise customers can manage, monitor, and optimize data usage in real-time with Webbing's powerful software platform. Gain visibility by application type and have the power to white list applications and limit non-business applications with the click of a button, saving money and improving compliance.

WHAT WE OFFER

  • Fully remote
  • An exciting and challenging workplace with great skill and knowledge development opportunities.
  • The opportunity to join a team of highly professional specialists in an international environment.
  • The opportunity for professional development within a reputable international innovative and growing company.
ALL JOBS