L2 Support Engineer

MACHINE LEARNING TECHNOLOGIES LLC; Plano (TX); On-site; USD 100,000 - 142,000; Full time

Job summary

MACHINE LEARNING TECHNOLOGIES LLC in Plano, TX is seeking an experienced L2 Support Engineer to handle production support for enterprise applications. The role focuses on incident resolution, RCA, and ensuring service stability, requiring strong Unix/Linux troubleshooting and database skills.

Candidates should have 5+ years in L2 support, experience with Java application diagnostics, and familiarity with ITSM and monitoring tools. This is a 12-month+ extension contract with U.S.

Qualifications

• 5+ years in L2/production support for enterprise applications.
• Unix/Linux command-line and shell scripting (bash/ksh).
• 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/workflows.
• Familiarity with monitoring/log tools (Grafana/Splunk/ELK/AppDynamics).
• Excellent communication 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.
• Investigate database issues (SQL performance, locks, deadlocks, query failures, data mismatches, job failures).
• Analyze Java stack traces, GC/log patterns, and service behavior to isolate defects and escalate with evidence.
• Support release validations, post-deployment checks, and rollback coordination when 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

SQL troubleshooting

Java debugging

Incident management communication

Tools

ServiceNow

Jira

Grafana

Splunk

ELK

AppDynamics

Job description

Job Description

Job ID: J53886

Job Title: L2 Support Engineer

Location: Plano, TX

Duration: 12 Months + Extension

Domain Exposure: Oil & Gas

Client: To Be Discussed Later

Employment Type: W-2, 1099, C2C

Work Authorization: US Citizen, Green Card, H-1B, OPT-EAD, CPT, Other

Bill Rate: $88/hour (C2C)

Summary

• Seeking an L2 Support Engineer with 5+ years in production support for enterprise applications.
• Role requires strong Unix/Linux troubleshooting, hands-on database support, and practical Java knowledge for log/code-level analysis.
• Focus is on incident resolution, root-cause analysis, service stability, and operational excellence.

Must-Have Skills

• 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.

Key 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.
• Investigate database issues (SQL performance, locks, deadlocks, query failures, data mismatches, job failures).
• Analyze Java stack traces, GC/log patterns, and service behavior to isolate defects and elevate 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.

Equal Opportunity Employer

We are an equal opportunity employer. All aspects of employment including the decision to hire, promote, discipline, or discharge, will be based on merit, competence, performance, and business needs. We do not discriminate on the basis of race, color, religion, marital status, age, national origin, ancestry, physical or mental disability, medical condition, pregnancy, genetic information, gender, sexual orientation, gender identity or expression, national origin, citizenship/ immigration status, veteran status, or any other status protected under federal, state, or local law.