Middleware Administrator; JBoss​/Tomcat​/WebLogic

Job Title:
Middleware Administrator (JBoss / Tomcat / Web Logic)

Job Location:
Hybrid [3 days in Office] - Hartford, CT, USA.

**** Please note, this role is not able to offer visa transfer or sponsorship now or in the future ****

We are seeking an experienced Middleware Administrator to install, configure, and manage enterprise middleware platforms including JBoss EAP, Apache Tomcat, and Oracle Web Logic. 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.

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

This position is also eligible for Cognizant’s discretionary annual incentive program, based on performance and subject to the terms of Cognizant’s applicable plans.

• Install, configure, and maintain JBoss EAP, Apache Tomcat, and Oracle Web Logic across development, UAT, and production environments.
• 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.
• Maintain comprehensive documentation including runbooks, SOPs, and configuration baselines.
• 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.

• 8+ years of hands‑on experience in middleware administration.
• Strong expertise in:
• JBoss EAP (6.x / 7.x)
• Apache Tomcat (8.x / 9.x)
• Oracle Web Logic (12c / 14c) (domain configuration, clusters, managed servers)
• 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).

• 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, App Dynamics, or Nagios.
• Working knowledge of ITIL processes (incident, change, problem management).

• 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

At Cognizant, we strive to provide flexibility wherever possible, and we are here to support a healthy work‑life balance through our various wellbeing programs. Based on this role’s business requirements, this is a hybrid role requiring 3 days a week at the client site in Hartford, CT, USA. The working arrangements for this role are accurate as of the date of posting.

This may change based on the project you’re engaged in, as well as business and client requirements. Rest assured; we will always be clear about role expectations.

The salary, other compensation, and benefits information is accurate as of the date of this posting. Cognizant reserves the right to modify this information at any time, subject to applicable law.

Cognizant is an equal opportunity employer. Your application and candidacy will not be considered based on race, color, sex, religion, creed, sexual orientation, gender identity, national origin, disability, genetic information, pregnancy, veteran status or any other characteristic protected by federal, state or local laws. All qualified applicants will receive consideration for employment without regard to sex, gender identity, sexual orientation, race, color, religion, national origin, disability, protected Veteran status, age, or any other characteristic protected by law.