Job Title: Application Support Sr (OpenShift Administrator)
Work Location: Must be local to Phoenix, AZ 85016 or Denver, CO or Strongsville, OH or Pittsburgh, PA and Must be willing to work 5 days in office.
*** The ideal candidate must be authorized to work for any employer on a W2.
Job Summary: Seeking an OpenShift Administrator with a strong background in Linux system administration, scripting, automation and DevOps practices. The ideal candidate will be responsible for maintaining and supporting RedHat OpenShift clusters in production environment, providing 24*7 support, incident triage, and participating in release activities. You will work closely with cross-functional teams to ensure system reliability, scalability, and performance.
Key-Responsibilities: • Administer and maintain RedHat OpenShift clusters in production and non-production environment. Upgrade Clusters • Perform Linux system administration, troubleshooting, patching • Monitor cluster health, manage node scalability, resource optimization and ensure cluster availability (No downtime) • Troubleshoot and resolve issues related to infrastructure, network, pods, containers, and services • Participate in 24x7 production support (on-call rotation), handle critical incidents, and ensure minimal platform downtime • Develop and maintain shell/python scripts for automation of routine tasks and monitoring • Implement and support CI/CD pipelines using tools like Jenkins, GitOps Approach, or ArgoCD • Collaborate with development and release teams to support deployment and release activities • Create and maintain documentation for systems, processes, and standard operating procedures (SOPs) • Ensure compliance with security, backup, and disaster recovery policies • Platform monitoring using Dynatrace.
MUST HAVE SKILLS: Level 3 – 5-7 years:
• RedHat OpenShift (v4.x preferred) • Linux (RedHat Linux, CoreOS) system administration • Shell scripting, bash, and/or Python • Knowledge of DevOps tools such as Jenkins, Git, Ansible, Helm, Docker, and GitOps workflows. • Understanding of container orchestration, pod scheduling, and cluster level debugging • Experience working in production support environments with on-call responsibilities • Familiarity with monitoring and logging solutions such as Prometheus, Grafana, ELK, FluentD • Good problem-solving skills and experience in incident triage and root cause analysis • RedHat Certified Specialist in OpenShift Administration or equivalent • Certified Kubernetes Administration (CKA) • Knowledge of Kubernetes, Istio, or service mesh technologies • Experience with Azure cloud platform • Experience with ArgoCD workflows
