OpenShift Administrator

unlimited holidays - fully flexible
Work set-up: 
Full Remote
Contract: 
Experience: 
Senior (5-10 years)
Work from: 
Greece

Offer summary

Qualifications:

Minimum 3 years of experience with Red Hat OpenShift or similar Kubernetes platforms., Proficiency with DELL EMC storage systems and DELL PowerEdge servers., Experience with Ansible automation for configuration and deployment., Strong understanding of virtual networking, Linux system administration, and container technologies..

Key responsibilities:

  • Deploy, configure, and support OpenShift clusters on various infrastructures.
  • Maintain and monitor storage and server hardware used in the container environment.
  • Automate infrastructure tasks using Ansible and troubleshoot virtual networking elements.
  • Collaborate with teams to ensure platform performance, security, and reliability.

Webbing logo
Webbing Telecommunication Services SME https://www.webbingsolutions.com/
51 - 200 Employees
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Job description

Description

Job Summary:

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

Key Responsibilities:

  • Deploy, configure, manage, and support Red Hat OpenShift Container Platform clusters (baremetal or virtualized).
  • Maintain and monitor DELLHPE 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 backuprecovery 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 handson experience with Red Hat OpenShift or other Kubernetesbased 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 RHELCentOS) system administration.
      • Knowledge of container technologies (Docker, CRIO), CICD workflows, and GitOps practices.
      • Familiarity with monitoringlogging 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 VMware, KVM, or Red Hat Virtualization.
          • Familiarity with infrastructure provisioning tools (Ansible, Terraform, Helm, etc.).
          • Exposure to hybrid cloud or multicloud environments (AWS, Azure, GCP).
          • Experience in a DevOps or SRE role supporting containerbased 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. Webbings secured network delivers network protection and web content intelligence.

              Enterprise customers can manage, monitor, and optimize data usage in realtime with Webbings powerful software platform. Gain visibility by application type and have the power to white list applications and limit nonbusiness 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.

Required profile

Experience

Level of experience: Senior (5-10 years)
Industry :
Telecommunication Services
Spoken language(s):
English
Check out the description to know which languages are mandatory.

Other Skills

  • Troubleshooting (Problem Solving)

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