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DATAMAXIS ATG Consultant with support in Remote, Illinois

Job Summary:

We are looking for an experienced ATG Application Support Engineer with strong expertise in Java/J2EE-based web applications, hybrid environments, and cloud-based application support. The ideal candidate will have a solid background in production support, performance troubleshooting, and monitoring, along with hands-on experience in ATG Commerce platforms and modern microservices architectures.

Key Responsibilities:

  • Provide end-to-end production support for ATG-based e-commerce applications across Dev, QA, and Production environments

  • Perform advanced troubleshooting, incident resolution, and root cause analysis (RCA)

  • Analyze thread dumps, heap dumps, and performance issues (memory leaks, JDBC connections, session issues)

  • Support application migration and operations in cloud environments (AWS/Azure/GCP)

  • Monitor system performance and ensure high availability and reliability

  • Work with Microservices (MSE) / Micro Frontend (MFE) architectures

  • Collaborate with development teams for bug fixes, enhancements, and system improvements

  • Utilize monitoring and logging tools for proactive issue detection

  • Participate in on-call support and handle critical production incidents

    Required Skills & Experience:

  • Minimum 5+ years of experience supporting Java/J2EE-based web applications

  • Strong experience with Oracle ATG (Web Commerce) platform

  • Expertise in application support and operational troubleshooting

  • Experience in Java performance tuning and profiling (thread/heap dump analysis)

  • Strong knowledge of Apache Tomcat, JBoss (7.x) application servers

  • Hands-on experience with monitoring tools such as:

  • AppDynamics (preferred)

  • Splunk (preferred)

  • New Relic, ExtraHop, vSphere, SolarWinds Orion

  • Experience with traffic analysis and debugging tools (Wireshark, Fiddler, browser dev tools)

  • Strong SQL and Oracle database knowledge with debugging capabilities

  • Experience supporting applications in cloud platforms (AWS, Azure, or GCP)

  • Hands-on experience with hybrid application environments

  • Understanding of Microservices and Micro Frontend architectures

  • Strong analytical, troubleshooting, and problem-solving skills

  • Excellent communication and collaboration skills

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