Application Support Engineer (L2)

TransUnion

Job Location:

Mumbai - India

Monthly Salary: Not Disclosed

Posted on: 2 days ago

Vacancies: 1 Vacancy

Job Summary

TransUnions Job Applicant Privacy Notice

What Well Bring:

The L2 Application Support Engineer provides advanced support for Java web applications running on Apache Tomcat manages LDAP-based authentication/authorization and administers Linux servers. The role includes incident ownership root-cause analysis performance tuning and collaborating with cross-functional teams to ensure secure stable and highly available services.

What Youll Bring:

Incident & Request Management: Handle L2 tickets escalated from L1; troubleshoot application middleware and OS issues; ensure SLA adherence.
Tomcat Administration: Manage instances services ports/connectors thread pools JVM options context configs WAR deployments and parameters.
Performance & Stability: Tune JVM (heap GC metaspace) analyze GC logs/thread dumps/heap dumps optimize connectors and thread settings and manage session replication (if applicable).
LDAP/SSO Support: Configure and troubleshoot LDAP/LDAPS connections bind DN group/role mapping TLS certs referral handling; support SSO integrations via LDAP-backed directories.
Linux Administration: Monitor and manage services (systemd) logs (journalctl/syslog) file permissions networking (firewall/iptables SELinux/AppArmor basics) and scheduled jobs (cron).
Security & Compliance: Manage keystores/truststores certificates cipher/protocol hardening patching and vulnerability remediation with change controls.
Deployment & Environment Management: Support CI/CD-driven or manual deployments maintain environment parity across Dev/Test/UAT/Prod and rollback when required.
Monitoring & Observability: Configure and interpret metrics/logs (e.g. access logs ) set alerts and contribute dashboards/runbooks.
Root-Cause Analysis (RCA): Perform RCAs for recurring/major incidents; implement permanent fixes and preventive actions.
Documentation & Knowledge Sharing: Maintain SOPs KB articles architecture notes and troubleshooting guides; mentor L1 engineers.
Collaboration: Work with developers DBAs network/security and platform teams to drive resolutions and improvements.

Impact Youll Make:

Nice-to-Have

Web server/reverse proxy experience (Apache HTTPD/Nginx) and SSL offloading.
Knowledge of SSO (SAML/OIDC) integrated with LDAP/AD.
Exposure to containers (Docker) orchestration (Kubernetes) or reverse proxies/ingress for Tomcat workloads.
Monitoring/observability tools (Prometheus Grafana ELK/OpenSearch Splunk AppDynamics/New Relic/Datadog).
Basic database troubleshooting (connection pools JDBC slow queries) and message brokers (ActiveMQ/RabbitMQ/Kafka) exposure.
IaC/automation (Ansible/Terraform) and secure configuration benchmarks (CIS).

This is a hybrid position and involves regular performance of job responsibilities virtually as well as in-person at an assigned TU office location for a minimum of two days a week.

TransUnion Job Title

Engineer IT Support

Required Experience:

TransUnions Job Applicant Privacy NoticeWhat Well Bring:The L2 Application Support Engineer provides advanced support for Java web applications running on Apache Tomcat manages LDAP-based authentication/authorization and administers Linux servers. The role includes incident ownership root-cause anal...

TransUnions Job Applicant Privacy Notice

What Well Bring:

What Youll Bring:

Incident & Request Management: Handle L2 tickets escalated from L1; troubleshoot application middleware and OS issues; ensure SLA adherence.
Tomcat Administration: Manage instances services ports/connectors thread pools JVM options context configs WAR deployments and parameters.
Performance & Stability: Tune JVM (heap GC metaspace) analyze GC logs/thread dumps/heap dumps optimize connectors and thread settings and manage session replication (if applicable).
LDAP/SSO Support: Configure and troubleshoot LDAP/LDAPS connections bind DN group/role mapping TLS certs referral handling; support SSO integrations via LDAP-backed directories.
Linux Administration: Monitor and manage services (systemd) logs (journalctl/syslog) file permissions networking (firewall/iptables SELinux/AppArmor basics) and scheduled jobs (cron).
Security & Compliance: Manage keystores/truststores certificates cipher/protocol hardening patching and vulnerability remediation with change controls.
Deployment & Environment Management: Support CI/CD-driven or manual deployments maintain environment parity across Dev/Test/UAT/Prod and rollback when required.
Monitoring & Observability: Configure and interpret metrics/logs (e.g. access logs ) set alerts and contribute dashboards/runbooks.
Root-Cause Analysis (RCA): Perform RCAs for recurring/major incidents; implement permanent fixes and preventive actions.
Documentation & Knowledge Sharing: Maintain SOPs KB articles architecture notes and troubleshooting guides; mentor L1 engineers.
Collaboration: Work with developers DBAs network/security and platform teams to drive resolutions and improvements.

Impact Youll Make:

Nice-to-Have

Web server/reverse proxy experience (Apache HTTPD/Nginx) and SSL offloading.
Knowledge of SSO (SAML/OIDC) integrated with LDAP/AD.
Exposure to containers (Docker) orchestration (Kubernetes) or reverse proxies/ingress for Tomcat workloads.
Monitoring/observability tools (Prometheus Grafana ELK/OpenSearch Splunk AppDynamics/New Relic/Datadog).
Basic database troubleshooting (connection pools JDBC slow queries) and message brokers (ActiveMQ/RabbitMQ/Kafka) exposure.
IaC/automation (Ansible/Terraform) and secure configuration benchmarks (CIS).

This is a hybrid position and involves regular performance of job responsibilities virtually as well as in-person at an assigned TU office location for a minimum of two days a week.

TransUnion Job Title

Engineer IT Support

Required Experience:

Apply Now

About Company

TransUnion

Company Overview TransUnion is a leading global risk and information solutions provider. Our mission is to help people worldwide access opportunities that lead to a higher quality of life. We accomplish this by delivering solutions that help organizations optimize their risk-based dec ... View more

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