Sr Application Support
Denver, Colorado
Experience: 0
Category: Information Technology
Contractor Work Model: Onsite
Brand: System One
Compensation Range: 90.00 Per Hour
Job ID: 382358
Date Posted: 10/26/2026
Shortcut: http://jobs.systemone.com/3frqe2
Tittle: Sr. Application Support
Location by Preference: Denver, CO or Phoenix, AZ or Strongsville, OH or Pittsburgh, PA
Work Mode : Onsite 5 days a week
Duration: Contract to Hire
Years Of Exp Required: 8+ Years
Function of the Group: Support the?Openshift?platform?
Industry Background: Finance / Banking
Summary:??
Troubleshoot highly technical problems, which may require assessing source code to analyze and resolve problems. This requires advanced troubleshooting skills and must be able to adapt and create non-standard approaches to problem solving.?? ?
Job Responsibilities:
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
Required 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?
Education & Certification:
CKA Certified Kubernetes Administrator is a plus?
RedHat Certified Specialist in OpenShift Administration or equivalent is a plus?
7+ years of related work experience regardless of educational background?
Bachelor's degree preferred, not?required?(software engineering, computer science, and/or related field)?
Ref: #404-IT Pittsburgh
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