Senior WebSphere Middleware Administrator

Unisys Corporation; Norwich (CT); On-site; USD 120,000 - 150,000; Full time

Job summary

Unisys Corporation is seeking a Senior WebSphere Middleware Administrator to manage and secure enterprise WebSphere environments, with automation to improve efficiency and consistency across middleware services.

The role covers administration of IBM WebSphere Application Server, HTTP Server, and Portal, plus security and compliance tasks, with both Linux and Windows server support. Strong scripting and automation are required.

Qualifications

• BA/BS degree or equivalent experience.
• 6+ years of middleware administration, focus on WebSphere.
• Experience in security remediation, vulnerability management, audit compliance.
• Proven automation experience improving operational efficiency.

Responsibilities

• Administer WebSphere Application Server, HTTP Server, and Portal environments.
• Support WebSphere Liberty and secondary platforms (Apache, Tomcat, IIS).
• Handle security remediation, patching, and compliance validation.
• Design and maintain automation for administration, patching, and health checks.

Skills

Middleware administration

Security remediation

Automation development

wsadmin scripting

Education

BA/BS degree

Tools

wsadmin

Jenkins

Git

Ansible

Job description

What success looks like in this role:

Role Summary
The Senior WebSphere Middleware Administrator is responsible for the administration, configuration, maintenance, security remediation, compliance management, automation, troubleshooting, and operational support of enterprise IBM WebSphere platforms and supporting infrastructure. The role focuses on maintaining highly available, secure, and compliant environments while using automation to improve operational efficiency, reduce manual effort, and ensure consistency across middleware services.

Key Responsibilities

• Administer and support IBM WebSphere Application Server (traditional and Network Deployment), IBM HTTP Server, and WebSphere Portal environments, including cell, node, cluster, and application server configuration.
• Support WebSphere Liberty environments where applicable.
• Support secondary web platforms (Apache, Tomcat, IIS) as needed.
• Perform security remediation, vulnerability management, patching, fix pack and upgrade activities, 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 for WebSphere administration, patching, compliance validation, and operational support using Shell, Python, and JACL/wsadmin scripting.
• Automate deployments, configuration updates, certificate management, reporting, and system health checks.
• Support CI/CD deployment processes and enterprise automation tools where applicable.
• Perform performance monitoring, JVM tuning, thread dump and heap dump analysis, 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:

Required Qualifications

• BA/BS degree and 6-8 years of relevant experience, or an equivalent combination of education and experience.
• 6+ years of middleware administration experience, with a primary focus on enterprise WebSphere environments.
• Experience in security remediation, vulnerability management, and audit compliance.
• Demonstrated experience developing automation solutions that improve operational efficiency and reduce manual effort.
• Must be a US Citizen with ability to obtain a government security clearance.

Required Technical Skills

• WebSphere Application Server, IBM HTTP Server, WebSphere Portal
• wsadmin scripting (JACL and Jython), Shell, Python, XML, HTML, Awk, Sed, Curl
• Linux (RHEL, SUSE), AIX, and Windows Server administration
• SSL/TLS, LDAP, Active Directory, Kerberos, SSO, LTPA, security hardening
• REST API integration, task scheduling, and operational scripting
• IBM DB2 (and general database connectivity/data source configuration)
• JVM tuning, monitoring, and performance analysis
• Working knowledge of Apache, Tomcat, and IIS

Preferred Qualifications

• WebSphere Liberty experience
• Kafka, Zookeeper, Artifactory, WordPress, ServiceNow, or Remedy administration
• Ansible, Jenkins, Git, GitLab CI/CD, or similar tools
• Experience supporting security audits and compliance frameworks
• Working exposure to Oracle WebLogic (a plus, not required)

#LI-JV1

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.

Unisys is proud to be an equal opportunity employer that considers all qualified applicants without regard to age, caste, citizenship, color, disability, family medical history, family status, ethnicity, gender, gender expression, gender identity, genetic information, marital status, national origin, parental status, pregnancy, race, religion, sex, sexual orientation, transgender status, veteran status or any other category protected by law.

This commitment includes our efforts to provide for all those who seek to express interest in employment the opportunity to participate without barriers. If you are a US job seeker unable to review the job opportunities herein, or cannot otherwise complete your expression of interest, without additional assistance and would like to discuss a request for reasonable accommodation, please contact our Global Recruiting organization at [e-mail] or alternatively Toll Free: 888-560-1782 (Prompt 4). US job seekers can find more information about Unisys' EEO commitment here.