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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Middleware System Administrator / Onsite in Denton TX - **Company:** Kelly Services Inc. - **Location:** Denton, TX, United States - **Experience:** Expert - **Salary:** $90,000.0 - $120,000.0 - **Contract:** Permanent contract - **Skills:** Amazon Web Services, Apache HTTP Server, Apache Tomcat, Automation of Tests, Databases, Linux, Middleware, WildFly (JBoss AS), Linux System Administration, Microsoft SQL Server, OpenShift, Windows PowerShell, Red Hat Enterprise Linux, Software Deployment, Enterprise Software Applications, Computer Network Technologies, Kubernetes, Information Technology, Engineering Base, Server Operating Systems & Platforms - **Published:** July 11, 2026 - **Apply:** https://dejobs.org/x/x/EC7D1FB2BB2D408A8C524F30F9459B38/job/ ## About the Role * OpenShift and Kubernetes experience focused on application administration such as managing pods, deployments, and troubleshooting * Strong experience with Red Hat or Linux systems administration * Experience deploying, supporting, and maintaining enterprise middleware like Apache, Tomcat, or JBoss/WildFly * Background supporting production applications and working within ticketing or incident management systems * Strong communication skills with the ability to collaborate across distributed global teams * At least 5 years of experience supporting enterprise applications in IT environments * Bachelor's degree in Computer Science, IT, Engineering, or similar field Desired Skills & Experience * Experience working with AWS environments such as ROSA or cloud-hosted applications * Familiarity with Windows Server environments * Basic understanding of SQL Server or other database systems * Foundational networking knowledge including protocols and connectivity concepts * Experience creating automation scripts using PowerShell or similar tools * Exposure to CI/CD pipelines or automation tools for application deployment * Understanding of manufacturing or engineering application environments ## Description A growing aerospace-focused organization is hiring a full-time Application & Middleware IT Administrator in Denton, TX, with a hybrid schedule (3 days onsite). This role centers on OpenShift and Kubernetes application administration within a complex enterprise environment, alongside strong Red Hat Linux systems and middleware technologies such as Apache, Tomcat, and JBoss. The position supports both on-prem and AWS-hosted applications critical to engineering and manufacturing operations. This is an opportunity to step into a highly collaborative, globally connected environment where you'll act as a key bridge between application and infrastructure teams across the US and Europe. The team is specifically targeting engineers who understand how to run and support applications in containerized environments rather than build the underlying infrastructure. If you enjoy troubleshooting production issues, improving application reliability, and working hands-on with modern container platforms while still leveraging traditional middleware and Linux expertise, this role offers strong long-term growth and exposure to enterprise-scale systems. ## Related Videos - [This Is Not Your Father's .NET](https://www.wearedevelopers.com/videos/967-this-is-not-your-father-s-net) - [Docker network without Docker](https://www.wearedevelopers.com/videos/1418-docker-network-without-docker) - [Kubernetes and Microservices with Multi-Model Databases](https://www.wearedevelopers.com/videos/382-kubernetes-and-microservices-with-multi-model-databases) - [Remote Driving on Plant Grounds with State-of-the-Art Cloud Technologies](https://www.wearedevelopers.com/videos/251-remote-driving-on-plant-grounds-with-state-of-the-art-cloud-technologies) - [From Zero to Hero: Launch & Manage Your Cloud Apps with Free OpenShift & Red Hat Developer Hub](https://www.wearedevelopers.com/videos/1023-from-zero-to-hero-launch-manage-your-cloud-apps-with-free-openshift-red-hat-developer-hub) - [From Code to Motion: Building an Autonomous Hat-Hunting Robot with Kubernetes & ML](https://www.wearedevelopers.com/videos/1609-from-code-to-motion-building-an-autonomous-hat-hunting-robot-with-kubernetes-ml) ## Related Articles - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [The Best Job Search Websites of 2025](https://www.wearedevelopers.com/magazine/368-the-best-job-search-websites-of-2025) - [Why Upskilling And Reskilling is Important For Developers](https://www.wearedevelopers.com/magazine/428-why-upskilling-and-reskilling-is-important-for-developers)