RedHat OpenShift Application Administrator

In Cyclad we work with top international IT companies in order to boost their potential in delivering outstanding cutting-edge technologies that shape the world of the future. Currently we are looking for an experienced RedHat OpenShift Application Administrator to support containerized application environments and enable development teams in a complex enterprise infrastructure. The role focuses on OpenShift application administration application security CI/CD processes and operational support for development teams.

Project information:

• Location: Warsaw (hybrid work model)
• Type of employment: B2B contract or CoE
• Project languages: English

Key Responsibilities:

• Configuration deployment and maintenance of containerized applications on OpenShift using manifests Helm Charts Templates and Operators
• Managing namespaces and projects for applications including RBAC quotas limit ranges and resource allocation
• Configuration of application exposure and routing including Routes Services TLS external access and load balancing
• Implementation and maintenance of application security mechanisms such as SCC Pod Security Network Policies and secret rotation
• Application scaling and optimization activities including resource tuning and performance troubleshooting
• Providing operational support to development teams including troubleshooting pods logs events restarts and rollbacks
• Supporting CI/CD and GitOps processes using Jenkins ArgoCD and Helm
• Collaboration with stakeholders on requests for new functionalities and application resources
• Monitoring application health and performance using OpenShift native tools Prometheus Grafana alerts dashboards and capacity planning
• Preparing and maintaining technical documentation SOPs and application runbooks

Requirements:

• Minimum 7 years of professional experience after education including at least 3 years in a similar role
• Minimum 3 years of daily hands-on experience with OpenShift applications including deployment troubleshooting scaling and application configuration
• English proficiency at B2 level
• At least one of the following:
  • Red Hat Certified OpenShift Administrator certification (or equivalent internationally recognized certification)
  • Additional 3 years of OpenShift Administration experience above the minimum required experience level
• Excellent practical knowledge of Red Hat OpenShift application administration
• Experience in deploying configuring and maintaining containerized applications in OpenShift environments
• Expertise in YAML Helm Charts and OpenShift Templates for application deployment
• Strong knowledge of OpenShift application model including Projects/Namespaces Service Accounts Secrets and ConfigMaps
• Knowledge of application security settings including Pod Security Admission / Standards SCC Network Policies and image signing/scanning
• Experience implementing and troubleshooting Routes Services Ingress configurations TLS termination and path-based routing
• Experience with application scaling and optimization using HPA VPA resource requests/limits and health probes
• Experience with CI/CD pipelines Jenkins ArgoCD and GitOps methodologies
• Practical experience managing namespaces/projects including RBAC quotas and limit ranges
• Experience implementing Network Policies and Security Constraints at application and namespace level
• Experience with application monitoring and logging using OpenShift native tools Prometheus Grafana and application-specific metrics
• Strong scripting and automation skills using Ansible Python and Helm Charts
• Strong troubleshooting and analytical skills in distributed containerized environments
• Experience working in restricted or secure environments
• Strong documentation discipline (runbooks SOPs technical documentation)

We offer:

• Private medical care with dental care (covering 70% of costs). Family package option possible
• Multisport card (also for an accompanying person)
• Life insurance
• Work with talented engineers on large-scale technically challenging projects

Required Experience:

Unclear Seniority

Employment Type : Part-Time
Experience: years
Vacancy: 1