Middleware Integration Systems Administrator

Job Title:

Middleware Integration Systems Administrator # 25-44912

Duration: 12+ Months Contract

Schedule:

On-site

• The position requires expertise in administering middleware tools, J2EE application servers, and Energy IP Meter Data Management systems. The Integration Systems Administrator will collaborate with internal and external teams to troubleshoot issues, enhance system functionality, and maintain best practices for system performance and security.
• The position requires expertise in administering middleware tools, J2EE application servers, and Meter Data Management systems as Energy
  
  IP.
• Approximately 70–80% of this role will focus on system administration activities, including platform maintenance, monitoring, patching, and operational support. The remaining 20–30% will involve development work, primarily focused on IBM App Connect Enterprise (ACE) integrations, including creating, modifying, and supporting integration flows, message transformations, and API integrations.
• The Integration Systems Administrator will collaborate with internal and external teams to troubleshoot issues, enhance system functionality, and maintain best practices for system performance and security.

• Administer and maintain enterprise integration platforms, including IBM MQ, IBM ACE (App Connect Enterprise), Mule Soft, Active MQ, Kafka, and J2EE application servers such as IBM Web Sphere Application Server, Web Logic, and Tomcat.
• Support and maintain the Energy
  
  IP Meter Data Management system, ensuring system reliability and optimal performance.
• Manage and monitor integration servers and middleware tools to ensure 24x7x365 availability and performance.
• Implement, configure, and optimize high‑availability and disaster recovery configurations for middleware platforms.
• Perform patching and upgrading of integration systems, middleware tools, and application servers in compliance with organizational policies and industry best practices.
• Provide second‑level support for troubleshooting and resolving system performance issues, including root‑cause analysis.
• Collaborate with integration developers to deploy APIs, services, and workflows on middleware platforms.
• Develop, maintain, and support IBM App Connect Enterprise (ACE) integration flows, message transformations, and service integrations as needed to support enterprise integration initiatives.
• Perform minor to moderate development enhancements and troubleshooting within IBM ACE environments, including updates to message flows, ESQL, Java Compute nodes, and integration services.
• Automate system administration tasks using scripting languages such as Shell, Perl, and Data Weave.
• Maintain system security by managing passwords, file permissions, and network access.
• Regularly review system performance metrics and alerts to proactively identify potential issues.
• Document system configurations, processes, and troubleshooting procedures.
• Provide cross‑training and knowledge‑sharing sessions with team members to ensure operational readiness.
• Act as a liaison between IT infrastructure and the integration team to facilitate smooth deployments and upgrades.
• Participate in on‑call rotations to provide round‑the‑clock support for critical systems.
• Performs other duties as assigned.
• Extensive experience with middleware tools such as IBM MQ, IBM ACE, Mule Soft, Active MQ, Kafka.
• Expertise in administering J2EE application servers, including IBM Web Sphere Application Server, Web Logic, and Tomcat, on both UNIX and Windows platforms.
• Working knowledge of IBM App Connect Enterprise (ACE) development, including message flows, ESQL, Java Compute nodes, and integration patterns.
• Proficient in troubleshooting and tuning JVMs for optimal performance.
• Strong experience with file‑based integration techniques (e.g., FTP, SFTP, AWS S3, Azure Blob).
• Familiarity with API administration and service‑oriented architectures (SOAP, REST).
• Proficiency in scripting and automation using Shell, Perl, Data Weave, and SQL.
• Hands‑on experience installing and managing middleware tools in high‑availability configurations.
• Strong understanding of system security principles, including SSH, file…