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Senior Middleware Admin

Company:
RIT Solutions Inc/ Tech Dev IT/ Texperts Inc/
Location:
Naperville, IL, 60564
Posted:
April 12, 2026
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Description:

Senior Middleware Admin

Hybrid Dallas

Contract

Sr. Middleware Administrator

Bachelor's degree in Computer Science, Information Systems, or equivalent background or experience.

5+ years of experience with Linux operating systems

5+ years of working with containerized platforms optimizing and troubleshooting complex applications

In-depth knowledge of Apache Tomcat, IIS, WebSphere / HIS, and a passion for debugging complex problems

Troubleshoot and fix issues in Webservers, WebSphere, Service Now, Remedy, Archibus, WebTMA, .Net and Java applications

Build/Deploy/Configure/Troubleshoot and maintain Webservers, WebSphere content management environments.

Provide advanced administrator duties for IBM WebSphere Application Servers V8.5.5

Build/deploy/configure and maintain WebSphere, IIS, Apache, Tomcat environments

Installation and Configuration of Web/App servers and configuring enterprise apps from scratch

Scripting languages - PERL, Shell, PowerShell

Network Products and Protocols (TCP/IP, Firewalls, Load Balancers, Intrusion Detection, DNS)

Good understanding of Security standards (TLS 1.1, 1.2, Ciphers, certs).

Knowledge of JIRA administration and upgrade, apply patches to address security vulnerabilities

Maintain security audit requirements for Middleware Products and Servers

Experience working in with Enterprise Change Management Systems

Responsibilities:

What They Will Do:

Follow detailed work plans for both installation and continuing maintenance

Work with developers, application owners and vendors to facilitate app installs, upgrades and migrations

Address security, compliance, vulnerability and audit findings

Produce technical documentation to enable operational support

Troubleshoot degraded or impacted applications, participate in Incident Management & After-Action Review calls

Work productively within a strict change controlled and locked down environment

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