Enter a job title or keyword
Application Support Engineer (L2)
Job Location:
Monthly Salary:
Posted:
6 June 2026 (30+ days ago)
Posted:
Application Deadline:
3 September 2026
Application Deadline:
Vacancies:
1 Vacancy
Vacancies:
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).
TransUnion Job Title
Engineer IT SupportRequired Experience:
IC
About Company
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
