Senior Middleware Administrator

Unisys; Connecticut; Remote; USD 100,000 - 150,000; Full time

Job summary

Unisys is seeking a Senior Middleware Administrator to manage and optimize enterprise middleware platforms across Linux and Windows servers. The role emphasizes security remediation, automation, and reliable operations to support CI/CD pipelines and incident response.

You will work with WebSphere, WebLogic, Apache, Tomcat, and related technologies, ensuring high availability and compliant environments. Strong scripting and collaboration skills are essential.

Qualifications

• 6+ years of middleware administration experience.
• Experience with WebSphere and WebLogic environments.
• Security remediation, vulnerability management, and audit compliance.
• Automation solutions that improve operational efficiency.

Responsibilities

• Administer IBM WebSphere, IBM HTTP Server, Oracle WebLogic, Apache, Tomcat, IIS, and WebSphere Portal.
• Perform security remediation, patching, and compliance validation.
• Develop automation scripts (Shell, Python, JACL) for routine tasks.
• Support CI/CD deployment processes and enterprise automation tools.
• Monitor middleware performance and perform JVM tuning.
• Contribute to change, incident, and service restoration activities.

Skills

WebSphere

WebLogic

Linux

Windows Server

Shell scripting

Python

LDAP

SSO

JVM tuning

Automation

REST API

Education

Bachelor’s degree or equivalent experience

Tools

Ansible

Jenkins

GitLab CI/CD

Kafka

Zookeeper

JACL

Job description

## Senior Middleware AdministratorApply: USA CT Remote: Full time: Posted Today: REQ576966**What success looks like in this role:****Position Summary**The Senior Middleware Administrator is responsible for the administration, configuration, maintenance, security remediation, compliance management, automation, troubleshooting, and operational support of enterprise middleware platforms and supporting infrastructure. The role focuses on maintaining highly available, secure, and compliant environments while leveraging automation to improve operational efficiency, reduce manual effort, and ensure consistency across middleware services. **Key Responsibilities*** Manage and support IBM WebSphere, IBM HTTP Server, Oracle WebLogic, Apache, Tomcat, IIS, and WebSphere Portal environments.* Perform security remediation activities, vulnerability management, patching, upgrades, and compliance validation.* Manage SSL/TLS certificates, keystores, truststores, LDAP, Kerberos, Active Directory integration, SSO, and LTPA security.* Administer Linux and Windows servers supporting middleware environments.* Design, develop, and maintain automation solutions for middleware administration, patching, compliance validation, and operational support activities.* Develop and maintain Shell, Python, and JACL scripts to automate recurring administrative tasks.* Automate deployments, middleware configuration updates, certificate management processes, reporting, and system health checks.* Support CI/CD deployment processes and enterprise automation tools where applicable.* Perform middleware performance monitoring, JVM tuning, troubleshooting, and root cause analysis.* Execute change management, incident management, and service restoration activities.* Maintain documentation, procedures, audit evidence, and compliance records.**You will be successful in this role if you have:*** Bachelor’s degree or equivalent experience.* 6+ years of middleware administration experience.* Experience supporting enterprise WebSphere and WebLogic environments.* Experience in security remediation, vulnerability management, and audit compliance.* Demonstrated experience developing automation solutions that improve operational efficiency and reduce manual effort. **Required Technical Skills*** WebSphere Application Server, IBM HTTP Server, WebLogic, Apache, Tomcat, IIS, WebSphere Portal.* Linux (RHEL, SUSE, AIX, Solaris) and Windows Server administration.* SSL/TLS, LDAP, Active Directory, Kerberos, SSO, security hardening.* Shell Scripting, Python, JACL, XML, HTML, Awk, Sed, Curl.* Automation, REST API integration, task scheduling, and operational scripting.* IBM DB2 and Oracle databases.* JVM tuning, monitoring, and performance analysis. **Preferred Qualifications*** WebSphere Liberty experience.* Kafka, Zookeeper, Artifactory, WordPress, ServiceNow, or Remedy administration experience.* Ansible, Jenkins, Git, GitLab CI/CD, or similar automation tools.* Experience supporting security audits and compliance frameworks. **Key Competencies*** Strong middleware administration and troubleshooting skills.* Security-focused mindset and operational discipline.* Strong automation and scripting capabilities.* Strong documentation and communication skills.* Ability to manage multiple priorities in production support environments.This role may require access to export-controlled commodities and technology. Therefore, to conform to U.S. export control regulations, applicant should be eligible for any required authorizations from the U.S. Government.