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Sr Application Support

System One

Denver, COContractSeen 1w agoSeen in employer's feed 3 days ago

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At a glance

Compensation
No compensation found
Location
Denver, CO
Schedule
Contract
Work Authorization
Not specified

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Job overview

The Sr. Application Support role supports RedHat OpenShift clusters in production and non-production environments. The administrator handles cluster maintenance and upgrades, Linux administration, monitoring, incident response, automation, and release support. The position is onsite five days a week and contract to hire, with locations listed by preference in Denver, Phoenix, Strongsville, or Pittsburgh. The posting seeks 8+ years of experience and prefers a bachelor's degree.

Skills & qualifications

RequiredNice to have

Skills

OpenShift AdministrationLinux System AdministrationShell ScriptingBashPythonJenkinsGitAnsibleHelmDockerGitOpsContainer OrchestrationPod SchedulingCluster DebuggingProduction SupportOn-Call SupportPrometheusGrafanaELKFluentDProblem SolvingIncident TriageRoot Cause AnalysisKubernetesIstioService MeshAzureArgoCDDynatrace

Qualifications

8+ Years Experience7+ Years Related ExperienceCKA CertificationRedHat OpenShift Certification or EquivalentBachelor's Degree in Software Engineering, Computer Science, or Related Field

Benefits

Medical Insurance
Dental Insurance
Vision Insurance
401(k) Match

Full job description

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

System One, and its subsidiaries including Joulé, ALTA IT Services, CM Access, TPGS, and MOUNTAIN, LTD., are leaders in delivering workforce solutions and integrated services across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible full-time employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan.

System One is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, age, national origin, disability, family care or medical leave status, genetic information, veteran status, marital status, or any other characteristic protected by applicable federal, state, or local law.

How this job compares

Set against the 468 open Application Support jobs on Olive Jobs, counted November 7, 2026.

Pay
  • This postingNot listed
  • US median$70–132K/yr254 salary ranges
  • US median$26–55/hr55 hourly ranges
Openings
Olive Jobs lists 468 open Application Support jobs across the US. 10% of them nationwide are listed as remote or flexible.
Hiring the most across the US
Experience
This posting asks for at least 8 years of experience — more than three in four Application Support postings that state a minimum ask for (median 3 years, across 271 postings).
Education
73 of the 468 open Application Support jobs (16%) ask for a bachelor's degree or higher.

Counted across the open, public US postings on Olive Jobs on November 7, 2026. Pay medians are the middle values of the low ends and of the high ends of postings that list both ends of a range in the same cadence (a yearly salary or an hourly rate); a range's midpoint is halfway between its ends. Pay and experience figures resting on fewer than 20 postings are left out.

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