Senior Application Support Engineer

CDW is seeking a Senior Java Production Engineer who specializes in debugging complex production issues within enterprise Java applications. The main responsibilities include investigating and resolving production issues, performing root cause analysis, and collaborating with engineering teams to improve system stability.

Responsibilities:

• Investigate and resolve complex production issues in Java applications
• Perform root cause analysis across application, middleware, and database layers
• Analyze logs, exceptions, and system behavior to isolate defects
• Work with legacy and modern Java systems (J2EE, WebLogic, WebSphere, etc.)
• Collaborate with engineering teams to implement fixes and improve system stability
• Support high-availability environments where uptime is critical

Requirements:

• Strong experience debugging Java applications in production environments
• Experience with stack traces, logs, and exception analysis
• Background in incident response, RCA, and escalation support
• Experience with enterprise Java environments (J2EE, WebLogic, WebSphere, etc.)
• Ability to work through ambiguous system failures without clear documentation