OpenShift Administrator

2 Months ago • All levels

Administartive

Job Description

The OpenShift Administrator is responsible for designing, deploying, securing, and maintaining OpenShift 4.x clusters and Linux systems across development, staging, and production environments. The role supports DevSecOps, ensures system reliability, and enables scalable application delivery across hybrid or on-premises infrastructure. Key responsibilities include deploying and maintaining high-availability OpenShift clusters, managing components like nodes, namespaces, operators, and ingress, and automating deployments using GitOps tools and CI/CD integration. The administrator will also configure service mesh, ingress, and network policies, administer RHEL/CentOS/AlmaLinux systems, and implement monitoring and logging solutions. Security enforcement through RBAC, SCCs, SELinux, TLS, and image scanning is crucial. Automation using Ansible, Terraform, and scripting languages is required, along with managing Linux services and performing regular patching and upgrades. Collaboration with DevOps, Security, and Networking teams, providing support to application teams, and participating in infrastructure planning are also key duties.

Good To Have:

Provide onboarding support to app teams
Participate in infrastructure planning
Vendor evaluations

Must Have:

Deploy and maintain OpenShift 4.x clusters
Manage OpenShift components
Automate deployments with GitOps/CI/CD
Configure service mesh and network policies
Administer RHEL/CentOS/AlmaLinux
Implement monitoring and logging
Enforce security via RBAC, SCCs, SELinux
Automate provisioning with Ansible/Terraform
Manage Linux services
Perform patching and upgrades

Add these skills to join the top 1% applicants for this job

talent-acquisition

gitlab

networking

dns

linux

ldap

service-mesh

openshift

prometheus

ansible

terraform

grafana

helm

ci-cd

microservices

python

bash

jenkins

Job Purpose

Key Responsibilities

Core Technical Duties
- Deploy and maintain high-availability OpenShift 4.x clusters in on-prem, hybrid, or private cloud setups.
- Manage OpenShift components: nodes, namespaces, operators, volumes, services, and ingress.
- Automate deployments using GitOps tools (ArgoCD, Flux); integrate with CI/CD (Jenkins, GitLab CI, Tekton).
- Configure service mesh, ingress, and network policies for secure microservices.
- Administer RHEL/CentOS/AlmaLinux systems for performance, stability, and security.
- Implement Helm charts, custom resources, monitoring (Prometheus, Grafana), and logging (EFK).
- Enforce security via RBAC, SCCs, SELinux, TLS, firewalls, image scanning (Trivy, Clair).

Automation & Maintenance
- Use Ansible, Terraform, Bash/Python to automate provisioning and maintenance.
- Manage Linux services (DNS, LDAP, SSH, systemd, logrotate, repositories).
- Perform patching, upgrades, and health checks for OpenShift and Linux infrastructure.

Collaboration & Support
- Work closely with DevOps, Security, and Networking teams to ensure platform compliance.
- Provide onboarding support and guidance to application teams using OpenShift.
- Participate in infrastructure planning, technical reviews, and vendor evaluations.

Standard Duties
- Comply with organizational policies, procedures, and standards.
- Participate in incident, problem, and change management processes.
- Perform other duties as assigned by the reporting manager.

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