Remote Senior WebSphere Middleware Engineer

Unisys; United States; Remote; USD 140,000 - 170,000; Full time

Job summary

Unisys is seeking a Senior WebSphere Middleware Administrator to lead the administration, configuration, and secure operation of IBM WebSphere platforms across enterprise environments. The role emphasizes automation, patching, and compliance to maintain high availability.

Responsibilities include managing WebSphere Application Server, Liberty, and related stack components, plus SSL/TLS, LDAP/AD, SSO, and performance tuning. A US citizen with eligibility for government clearance is required.

Qualifications

• BA/BS degree required; 6–8 years of relevant experience or equivalent combination.
• 6+ years middleware administration with focus on WebSphere environments.
• Experience in security remediation, vulnerability management, and audit compliance.
• Automation solutions development to improve efficiency and reduce manual effort.

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.

Skills

WebSphere middleware

Automation solutions

Security remediation

Team collaboration

Education

BA/BS degree

Tools

wsadmin scripts

Shell

Python

XML

HTML

Awk

Sed

Curl

Linux

AIX

Windows Server

SSL/TLS

LDAP

AD/Kerberos

SSO

LTPA

JVM tuning

DB2

Tomcat

IIS

Apache

Job description

Unisys is seeking a Senior WebSphere Middleware Administrator to lead the administration, configuration, and secure operation of IBM WebSphere platforms across enterprise environments. The role emphasizes automation, patching, and compliance to maintain high availability.

Responsibilities include managing WebSphere Application Server, Liberty, and related stack components, plus SSL/TLS, LDAP/AD, SSO, and performance tuning. A US citizen with eligibility for government clearance is required.