RedHat Openshift Application Administrator

ARHS

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profile Job Location:

Warsaw - Poland

profile Monthly Salary: Not Disclosed
Posted on: 2 days ago
Vacancies: 1 Vacancy

Job Summary

  • Configuration Deployment and Maintenance of containerized applications on OpenShift (manifests Helm Templates Operators...)
  • Managing namespaces / projects for applications (RBAC quotas limit ranges resource management etc.)
  • Configuration of application exposure and routing (Routes Services TLS external access load balancing)
  • Implementation and maintenance of application security (SCC PodSecurity Network Policies secrets rotation)
  • Application scaling and optimisation (resource tuning performance troubleshooting)
  • Support for development teams (pod troubleshooting logs events restarts rollbacks)
  • Collaboration on requests for new functionalities / resources for applications
  • Monitoring application health and performance (alerts dashboards capacity planning)
  • Preparing and updating documentation for applications SOPs application runbooks

Qualifications :

Mandatory requirements:

  • Bachelor plus a minimum of 7years of relevant professional experience
  • Presents excellent command of English at least at B2 level
  • Minimum 3 years of experience in a similar position
  • Required Certificates (At least one of the following):
    • Red Hat Certified OpenShift Administrator (or equivalent certification)
    • Or additional 3 years of experience with OpenShift administration beyond the minimum required for similar positions
    • any equivalent certification must be internationally recognized (subject to acceptance by the Contracting Authority)
  • Minimum 3 years of daily hands-on working with OpenShift applications (deployment troubleshooting scaling application configuration)
  • Experience in managing projects/namespaces for applications (creation quotas limit ranges RBAC)
  • Practical knowledge in configuring and troubleshooting Routes / Services / Ingress for applications (TLS path-based routing etc.)
  • Experience in implementing Network Policies and Security Constraints on application / namespace level
  • Experience in application monitoring and logging (built-in OpenShift tools Prometheus Grafana application specific metrics)
  • Expertise in GitOps / ArgoCD Helm charts - application of changes from Git to specific namespaces / apps
  • Strong scripting and automation skills with proficiency in Ansible Python Helm charts
  • Experience in deploying configuring and maintaining containerized applications in RedHat OpenShift
  • Expertise in working with YAML / Helm charts OpenShift templates for application deployment
  • Knowledge of OpenShift application model: Projects / Namespaces Service Accounts Secrets ConfigMaps etc.
  • Knowledge of application security settings (Pod Security Admission / Standards Security Context Constraints Network Policies per app image signing / scanning)
  • Experience in scaling and optimisation of applications (Horizontal Pod Autoscaler Vertical Pod Autoscaler resource requests/limits probes)
  • Knowledge of application exposure (Routes Services Ingress ExternalName TLS termination API Gateway patterns)
  • Experience in CI/CD for OpenShift applications (pipelines Jenkins ArgoCD / GitOps)

Remote Work :

No


Employment Type :

Full-time

Configuration Deployment and Maintenance of containerized applications on OpenShift (manifests Helm Templates Operators...)Managing namespaces / projects for applications (RBAC quotas limit ranges resource management etc.)Configuration of application exposure and routing (Routes Services TLS externa...
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Ar?s is a fully independent group of companies specialized in managing complex IT projects and systems for large organisations, focusing on state-of-the-art software development, business intelligence and infrastructure services. We are composed of 17 entities across 9 countries that ... View more

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