Senior Middleware Administrator

Unisys; Norwich (CT); On-site; USD 120,000 - 160,000; Full time

Job summary

Unisys is seeking a Senior Middleware Administrator to oversee the administration, security, and automation of enterprise middleware platforms. The role emphasizes highly available, secure, and compliant environments with automation to reduce manual effort.

Candidates should have 6+ years of middleware experience, strong knowledge of WebSphere/WebLogic, and experience with security remediation and audit compliance. The position involves Linux/Windows server administration and CI/CD support.

Qualifications

• 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.

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.
• 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.

Skills

Middleware Administration

Automation

Security remediation

Incident management

CI/CD

Education

Bachelor's degree or equivalent experience

Tools

WebSphere

WebLogic

Apache

Tomcat

IIS

Job description

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.

Required Qualifications

• 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.

You will be successful in this role if you have: BA/BS degree and 6-8 years' relevant experience OR equivalent combination of education and experience

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.

Unisys is a global technology solutions company that powers breakthroughs for the world's leading organizations. Our solutions - cloud, AI, digital workplace, logistics and enterprise computing - help our clients challenge the status quo and unlock their full potential.

To learn how we have been helping clients push what's possible for more than 150 years, visit unisys.com and follow us on LinkedIn.

https://www.unisys.com/unisys-legal/recruiting

Notice for U.S. Applicants:

Unisys is an Equal Opportunity Employer - Minorities/ Females/ Veterans/ Individuals with Disabilities/ Sexual Orientation/ Gender Identity