Full Time

Linux Middleware Administrator

Kelly
Contract
Mid-Senior level
Staffing and Recruiting
Mason, OH
???* / year

Job Description

  • 5+ years of Linux systems administration or equivalent enterprise infrastructure experience.
  • Strong hands-on experience with Red Hat Enterprise Linux (RHEL) or comparable Linux distributions.
  • Experience administering and troubleshooting Apache HTTP Server.
  • Experience administering and troubleshooting Red Hat JBoss EAP.
  • Working knowledge of Java/Jakarta EE applications, including the ability to interpret application logs, stack traces, JVM errors, and basic Java code.
  • Experience troubleshooting application builds and deployments.
  • Understanding of Git, CI/CD pipelines, and automated build/deployment processes.
  • Strong networking fundamentals and the ability to translate application requirements into well-defined network requests.
  • Experience troubleshooting complex issues that span application, middleware, operating system, database connectivity, and network layers.
  • Strong communication and documentation skills with the ability to collaborate across Development, Infrastructure, Network, Security, and Operations teams.


Preferred Qualifications

  • Experience with Jira for incident, change, problem, and work tracking.
  • Experience with GitLab, Jenkins, Ansible, or similar CI/CD and automation technologies.
  • Experience supporting highly available, business-critical enterprise applications.
  • Familiarity with load-balancing technologies such as F5 BIG-IP.
  • Experience with monitoring/APM platforms such as Dynatrace, Splunk, or similar tools.
  • Experience supporting applications that integrate with Oracle databases.
  • Basic scripting experience with Bash, Python, or similar technologies.
  • Prior hands-on application development experience (even small) particularly with Java-based enterprise applications, is a plus and will be valuable when troubleshooting application, build, deployment, and runtime issues.


Key Competencies

  • Strong troubleshooting and root-cause-analysis skills
  • Ability to troubleshoot across the application, middleware, OS, and network stack
  • Comfortable reviewing application code without requiring a software developer background
  • Strong ownership and follow-through
  • Ability to work effectively during production incidents and high-priority deployments
  • Strong cross-functional communication skills
  • Ability to translate technical requirements between Development and Infrastructure teams

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