> Markdown version of [/jobs/ext/2217551-middleware-systems-administrator-infrastructure-automation](https://www.wearedevelopers.com/jobs/ext/2217551-middleware-systems-administrator-infrastructure-automation). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Middleware Systems Administrator (Infrastructure & Automation) - **Company:** AllSTEM Connections - **Location:** Ontario, CA, United States - **Experience:** Expert - **Contract:** Temporary contract - **Skills:** Amazon Web Services, Server Applications, Automation of Tests, Backup Devices, Business Software, Cloud Computing, Cloud Engineering, Code Review, Complex Networks, Continuous Integration, DevOps, Disaster Recovery, Middleware, File Transfer, Jython, Python (Programming Language), Oracle (Applications), Performance Tuning, Queueing Systems, Ansible, Shell Script, Software Engineering, SQL Databases, Alwayson, SSL Certificate Management, Scripting, Enterprise Software Applications, Load Balancing, Software Troubleshooting, Gitlab, Infrastructure Automation Frameworks, Information Technology, Terraform - **Published:** August 25, 2026 - **Apply:** https://www.dice.com/job-detail/6d89cfa6-fa62-4227-b75e-641854661590 ## About the Role Education: Bachelor's degree in Computer Science, Information Technology, or a related field (or equivalent combination of training and experience). Experience Baseline: Minimum of 5+ years of experience specializing in enterprise middleware/application server administration. Technical Mastery: oAdvanced Administration: Extensive experience managing enterprise application server clusters (installation, configuration, and security management). oAutomation: Proficiency in Ansible and scripting languages (Python/Jython, Shell). oSystems Engineering: Strong UNIX/Linux proficiency; hands-on experience with load balancing, junctions, and complex network security/certificate management. Core Competencies: Exceptional troubleshooting and debugging skills; strong understanding of change management processes; ability to mentor and guide team members. Preferred Attributes Hands-on experience with newer, cloud-native application server architectures (e.g., Liberty profile or modernized containers). Familiarity with Cloud infrastructure environments (AWS/Terraform). Proven track record in CI/CD pipeline management and infrastructure-as-code (IaC) methodology. Outstanding communication skills; able to translate complex technical blockers into actionable solutions for both technical partners and non-technical business stakeholders. ## Description We are seeking a seasoned, technically adept Senior Middleware Systems Administrator to design, maintain, and optimize the infrastructure supporting our most critical business applications. You will be the primary subject matter expert for our middleware layer, focusing on stability, scalability, and the proactive automation of routine tasks. This role bridges the gap between infrastructure operations and software development, requiring a balance of deep-dive troubleshooting and forward-thinking automation engineering. This is a high-impact position for an engineer who thrives on ensuring "always-on" availability. You will lead disaster recovery planning, security configurations, and performance tuning, while mentoring junior staff and fostering a culture of technical excellence. If you are a collaborative problem-solver with a passion for automating infrastructure as code, we want to hear from you., Middleware Administration & Support Systems Lifecycle: Oversee the installation, configuration, security, and maintenance of enterprise-grade application server environments. Operational Stability: Lead critical initiatives, including performance tuning, failover testing, disaster recovery planning, and certificate management. Connectivity & Interop: Manage integration points between application servers and external services, including message queuing (MQ), secure file transfer, and backend database connectivity (Oracle/SQL). Troubleshooting: Act as the final escalation point for complex technical issues; diagnose system bottlenecks and resolve performance degradation in production environments. Automation & Infrastructure Engineering Automation Strategy: Design and implement robust automation frameworks using Ansible, Python, and Shell scripting to eliminate manual toil. CI/CD Integration: Collaborate with DevOps and Security teams to integrate middleware deployment into CI/CD pipelines (GitLab/XL-Deploy). Framework Evolution: Continuously improve existing automation code for scalability, maintainability, and security compliance. Documentation & Knowledge Sharing: Standardize operational procedures, document automation workflows, and mentor team members through code reviews and knowledge-sharing sessions. ## Related Videos - [WeAreDevelopers LIVE - Modern DevOps for IoT Devices and More](https://www.wearedevelopers.com/videos/1805-wearedevelopers-live-modern-devops-for-iot-devices-and-more) - [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 DevOps to Scaled DevOps: How We’re Rebuilding Continuous Delivery as a Platform](https://www.wearedevelopers.com/videos/100018-from-devops-to-scaled-devops-how-we-re-rebuilding-continuous-delivery-as-a-platform) - [My journey into DevOps world - How it all started!](https://www.wearedevelopers.com/videos/545-my-journey-into-devops-world-how-it-all-started) - [Enabling automated 1-click customer deployments with built-in quality and security](https://www.wearedevelopers.com/videos/83-enabling-automated-1-click-customer-deployments-with-built-in-quality-and-security) - [DevOps Maturity Check – a way to balance autonomy and alignment](https://www.wearedevelopers.com/videos/58-devops-maturity-check-a-way-to-balance-autonomy-and-alignment) ## 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) - [Why Upskilling And Reskilling is Important For Developers](https://www.wearedevelopers.com/magazine/428-why-upskilling-and-reskilling-is-important-for-developers) - [Best Paying Jobs in Technology](https://www.wearedevelopers.com/magazine/256-best-paying-jobs-in-technology) - [What is Software Engineering?](https://www.wearedevelopers.com/magazine/289-what-is-software-engineering)