Webapp Systems Integration Sr Specialist

NTT DATA, Inc.; Hyderabad; On-site; INR 1,500,000 - 2,000,000; Full time

Job summary

NTT DATA is seeking a WebApp Systems Integration Senior Specialist to join our Hyderabad team. The role focuses on installing, configuring, securing, and optimizing enterprise web servers, application servers, and middleware across on‑prem and cloud environments for highly available hosting of business apps.

The candidate will manage WebLogic, WebSphere, JBoss, Tomcat, Oracle AS, and major web servers while ensuring security, performance, and CI/CD integration in a global, 24×7 context.

Qualifications

• 7+ years in Web / Application / Middleware Administration.
• 0
• Hands-on with Apache HTTP, IBM IHS, NGINX, IIS.
• Solid administration across Oracle WebLogic, IBM WebSphere, JBoss/WildFly, Oracle Application Server.
• Strong Linux/Unix administration; Windows Server administration for IIS.
• Expertise in SSL/TLS, TCP/IP, load balancing, proxying, certificates, keystores.
• Experience deploying and supporting enterprise Java applications.
• Familiarity with CI/CD, automation tools, and scripting languages.

Responsibilities

• Install, configure, and maintain web servers across Linux/Windows environments.
• Configure virtual hosts, reverse proxies, load balancing, SSL/TLS, mod_security, and WAF rules.
• Manage certificates, keystores, aliasing, and automated renewals.
• Implement hardening guidelines and security best practices.
• Monitor web traffic, tune performance, and troubleshoot HTTP/HTTPS/SSL issues.
• Install, configure, patch, and upgrade Java app servers (WebLogic, WebSphere, JBoss/WildFly, Tomcat).
• Deploy EAR/WAR/JARs manually and via CI/CD pipelines.
• Configure multi-node clustering, domain creation, admin nodes, and load balancers.
• Set up security realms, LDAP/AD integration, JAAS, and security policies.
• Automate server builds and configurations using Shell, Python, PowerShell, Ansible, or Jenkins.

Skills

Web/Middleware Admin

Web servers

Java app servers

Linux/Unix admin

CI/CD scripting

Education

Bachelor’s Degree in CS/IT or equivalent

Tools

CI/CD tools

Shell/Python scripting

Cloud platforms AWS/Azure

WebLogic/WAS admin tools

Job description

NTT DATA strives to hire exceptional, innovative and passionate individuals who want to grow with us. If you want to be part of an inclusive, adaptable, and forward-thinking organization.

We are currently seeking a Webapp Systems Integration Sr Specialist to join our team in Hyderabad, Telangana (IN-TG), India (IN).

WebApps Job Description:

Middleware - Web & Application Server Administrator

Role Summary

NTT DATA is seeking --years of Web & Middleware Administrator is responsible for installing, configuring, securing, optimizing, and supporting enterprise‑grade web servers, application servers, and middleware platforms across on‑premise and cloud environments. This role ensures highly available, scalable, and secure hosting for business applications while collaborating closely with development, security, DevOps, cloud, and infrastructure teams.

Key Responsibilities

• Install, configure, and maintain Apache HTTP, IBM IHS, NGINX, and IIS across Linux/Windows environments.
• Configure virtual hosts, reverse proxies, load balancing, SSL/TLS, mod_security, mod_jk/mod_proxy, WAF rules, and request routing.
• Manage certificates, keystores, aliasing, and automated certificate renewals.
• Implement hardening guidelines (headers, ciphers, rate limits, firewall rules).
• Monitor web traffic patterns, tune performance, and troubleshoot HTTP/HTTPS/SSL issues.

2. Java Application Server Administration (WebLogic, WebSphere, JBoss, Tomcat, Oracle AS)

• Install, configure, patch, and upgrade Oracle WebLogic, IBM WebSphere, JBoss EAP/WildFly, Apache Tomcat, and Oracle Application Server.
• Manage JVM tuning, heap sizing, thread pools, JDBC data sources, JMS resources, session replication, and clusters.
• Deploy EAR/WAR/JAR applications manually and via CI/CD pipelines.
• Troubleshoot application issues: classloader conflicts, memory leaks, thread dumps, GC tuning, connection pool bottlenecks.
• Configure multi‑node clustering, domain creation, admin nodes, managed servers, and load balancers.
• Set up security realms, LDAP/AD integration, JAAS, J2EE/Jakarta EE security policies.

3. Performance Engineering & Monitoring

• Configure and optimize caching, compression, keep‑alive, connection handling, request limits, and tuning parameters.
• Monitor JVM performance, GC logs, thread/heap usage, and server KPIs.
• Use monitoring tools (Dynatrace, AppDynamics, Prometheus/Grafana, Splunk/ELK).

4. Automation, DevOps & CI/CD Support

• Automate server builds, deployments, and configurations using Shell, Python, PowerShell, Ansible, or Jenkins pipelines.
• Integrate web/app servers with CI/CD (GitHub, GitLab, Azure DevOps, Jenkins).
• Maintain configuration-as-code for repeatable and compliant deployments.
• Implement SSL/TLS, certificate rotation, PKI, keystore/truststore management.
• Apply CIS, OWASP, STIG, and organization hardening benchmarks.
• Manage access controls, RBAC, authentication modules, and secure admin interfaces.
• Patch vulnerabilities, perform upgrades, and support security audits.

6. High Availability, DR & Scalability

• Set up clustering & load balancing for WebLogic, WebSphere, JBoss, Tomcat, and NGINX/IHS/IIS.
• Manage horizontal/vertical scaling strategies.
• Build and maintain DR environments, backups, replication, and failover testing.

7. Troubleshooting & Operational Support

• Diagnose issues across layers: OS, network, DNS, load balancing, reverse proxy, JVM, application code, backend integration.
• Manage incident response, RCA, and preventive actions.

Required Skills & Experience

• 7+ years in Web / Application / Middleware Administration.
• Hands‑on experience with all major web servers: Apache HTTP, IBM IHS, NGINX, IIS.
• Solid administration experience across multiple application servers:
• Oracle WebLogic
• IBM WebSphere
• JBoss/WildFly
• Oracle Application Server
• Strong Linux/Unix administration; Windows Server administration for IIS.
• Expertise in SSL/TLS, TCP/IP, load balancing, proxying, certificates, keystores.
• Experience deploying and supporting enterprise Java applications.
• Familiarity with CI/CD, automation tools, and scripting languages.

Good-to-Have Skills

• Cloud web/application hosting (AWS/ELB/ALB, Azure App Service, OCI WebLogic Cloud).
• Knowledge of microservices, API gateways, service mesh.
• Reverse proxy security modules (mod_security, NGINX WAF).
• Strong analytical and troubleshooting skills
• Good documentation and communication skills
• Customer-focused approach
• Ability to work in global teams
• Ability to work in 24×7 support rotations when required.
• Risk identification and proactive mitigation mindset

Educational Qualifications

• Bachelor’s Degree in Computer Science / Information Technology or equivalent
• Relevant certifications (if any) preferred

About NTT DATA

NTT DATA is a $30 billion business and technology services leader, serving 75% of the Fortune Global 100. We are committed to accelerating client success and positively impacting society through responsible innovation. We are one of the world's leading AI and digital infrastructure providers, with unmatched capabilities in enterprise-scale AI, cloud, security, connectivity, data centers and application services. our consulting and Industry solutions help organizations and society move confidently and sustainably into the digital future. As a Global Top Employer, we have experts in more than 50 countries. We also offer clients access to a robust ecosystem of innovation centers as well as established and start‑up partners.NTT DATA is a part of NTT Group, which invests over $3 billion each year in R&D.

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