Job Title: Sr Application Support
100% Onsite in any of these locations: Pittsburgh, PA 15222 or Strongsville, OH 44136 or Phoenix, AZ 85016 or Denver, CO 80215
The candidate must be authorized to work for any employer on a W2 with us and without needing the sponsorship in the future.
Job Summary:
We are seeking a skilled 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:
• 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
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