Senior L2 Production Support Engineer | Unix, Java & DBs

Valiant Technologies LLC; Plano (TX); On-site; USD 80,000 - 120,000; Full time

Job summary

Valiant Technologies LLC in Plano, TX is seeking an L2 Support Engineer with 5+ years in production support for enterprise applications. You will monitor applications, perform triage, and collaborate with multiple teams to ensure service stability and incident response within SLAs.

The role requires strong Unix/Linux troubleshooting, database support across Oracle/SQL Server/PostgreSQL/MySQL, and practical Java knowledge for log and code analysis. Excellent communication is essential.

Qualifications

• 5+ years in L2/production support for critical applications.
• Strong Unix/Linux command-line and shell scripting (bash/ksh).
• Strong database knowledge (Oracle/SQL Server/PostgreSQL/MySQL) with advanced SQL troubleshooting.
• Working knowledge of Java applications (logs, thread dumps, heap/GC basics, exception tracing).
• Experience with ticketing/ITSM tools (ServiceNow/Jira) and incident/problem/change workflows.
• Familiarity with monitoring/log tools (Grafana/Splunk/ELK/AppDynamics or similar).
• Excellent communication, stakeholder updates, and incident bridge handling.

Responsibilities

• Monitor applications and proactively detect production issues via alerts, logs, and dashboards.
• Perform L2 triage for incidents, including impact analysis, workaround, and restoration within SLA.
• Troubleshoot Unix/Linux runtime issues: process, memory, CPU, file systems, permissions, cron/jobs, shell scripts.
• Analyze Java stack traces, GC/log patterns, and service behavior to isolate defects and escalation with clear evidence.
• Support release validations, post-deployment checks, and rollback coordination where required.
• Own problem records and drive RCA with corrective/preventive actions.
• Collaborate with L1, L3/dev, infra, DBAs, and middleware teams for permanent fixes.
• Maintain runbooks, SOPs, knowledge articles, and incident timelines.

Skills

L2 production support

Unix/Linux troubleshooting

Java log analysis

SQL troubleshooting

ITSM tools (ServiceNow/Jira)

Monitoring/log tools (Grafana/Splunk/E

Incident bridge communication

Tools

ServiceNow

Jira

Grafana

Splunk

ELK

AppDynamics

Job description

Valiant Technologies LLC in Plano, TX is seeking an L2 Support Engineer with 5+ years in production support for enterprise applications. You will monitor applications, perform triage, and collaborate with multiple teams to ensure service stability and incident response within SLAs.

The role requires strong Unix/Linux troubleshooting, database support across Oracle/SQL Server/PostgreSQL/MySQL, and practical Java knowledge for log and code analysis. Excellent communication is essential.