Middleware Administrator (JBoss / TomEE)

About the role

We are seeking an experienced Middleware Administrator to install, configure, and manage enterprise middleware platforms including JBoss EAP, and Apache TomcatEE. The ideal candidate will ensure high availability, performance, and security of middleware infrastructure supporting critical enterprise applications, while collaborating with cross-functional teams in a fast-paced environment.

Responsibilities

• Install, configure, and maintain JBoss EAP, and Apache TomcatEE across development, UAT, and production environments.
• Maintain comprehensive documentation including runbooks, SOPs, and configuration baselines.
• Monitor server health, performance, and availability; proactively identify and resolve issues to ensure system stability.
• Manage application deployments, patches, and version upgrades with minimal business impact and downtime.
• Configure and manage clustering, load balancing, and failover mechanisms to ensure high availability and resilience.
• Administer SSL certificates, keystores, and middleware security policies.
• Troubleshoot complex application server issues using thread dumps, heap dumps, and GC logs.
• Collaborate with application, infrastructure, and security teams for incident resolution and root cause analysis.
• Support disaster recovery (DR) drills and ensure adherence to RTO/RPO objectives.
• Participate in on-call support for P1/P2 incidents and ensure timely resolution.

Requirements

• 8+ years of hands-on experience in middleware administration.
• Strong expertise in: JBoss EAP (6.x / 7.x), Apache Tomcat EE.
• Middleware Expertise: Architecting and tuning TomEE WebProfile, MicroProfile, Plus, and Plume specifications.
• Experience with Java application deployments (WAR / EAR / JAR).
• Strong knowledge of Linux/Unix system administration.
• Experience configuring clustering, load balancing, and high availability environments.
• Proficiency in troubleshooting performance and memory issues (heap/thread analysis).

Preferred Skills

• Experience with LDAP, SSO, and SAML authentication integrations.
• Scripting experience using Shell, Python, or Ansible for automation.
• Understanding of HTTP/HTTPS, DNS, and load balancers (Apache HTTPD, F5, Nginx).
• Familiarity with monitoring tools such as Dynatrace, AppDynamics, or Nagios.
• Working knowledge of ITIL processes (incident, change, problem management).

Benefits

• Cognizant offers the following benefits for this position, subject to applicable eligibility requirements:
• Medical/Dental/Vision/Life Insurance
• Paid holidays plus Paid Time Off
• 401(k) plan and contributions
• Long-term/Short-term Disability
• Paid Parental Leave
• Employee Stock Purchase Plan

Pay

The annual salary for this position is between $90,000 to $112,000 depending on experience and other qualifications of the successful candidate.

Schedule

This role is a hybrid role requiring 3 days a week at the client site in Hartford, CT, USA.