Freelance Ibm App Connect Jobs (NOW HIRING)

Location: Central North Dallas (Hybrid – 3 Days Onsite)

Our client is seeking a Senior IBM App Connect Enterprise (ACE) / IBM MQ Integration Engineer to join their enterprise technology team in Central North Dallas. This is a highly specialized middleware engineering role supporting mission-critical enterprise integrations across IBM App Connect Enterprise (ACE), IBM Integration Bus (IIB), and IBM MQ.

IBM ACE/IIB and IBM MQ are the primary skills required for this position. Candidates whose experience is primarily focused on Azure, cloud engineering, data engineering, identity management, or API development without significant hands-on IBM ACE/IIB/MQ experience will not be considered.

This is an outstanding opportunity to work on enterprise-scale integration solutions supporting critical business applications while collaborating with software developers, infrastructure teams, and business stakeholders.

Candidates must be authorized to work in the United States without sponsorship. Due to client requirements, this opportunity is limited to U.S. Citizens and Green Card holders. Candidates should reside in the Dallas/Fort Worth area or be willing to relocate prior to starting employment.

• Administer, monitor, troubleshoot, patch, and support IBM MQ and IBM App Connect Enterprise (ACE)/IBM Integration Bus (IIB) environments.
• Design, develop, deploy, and support enterprise message flows and integrations between mission-critical business applications.
• Develop, maintain, and troubleshoot IBM ACE message flows, APIs, and integration services.
• Design secure API and messaging solutions using IBM ACE security best practices.
• Build resilient integrations that effectively manage downstream system failures, retry logic, exception handling, and recovery.
• Partner closely with application development teams to troubleshoot, debug, and optimize enterprise integrations.
• Support production deployments, upgrades, change management activities, and ongoing operational support.
• Monitor middleware performance, application availability, and system health while identifying opportunities for improvement.
• Develop automation scripts using PowerShell, Python, Linux shell scripting, or similar technologies.
• Support CI/CD deployment pipelines utilizing Jenkins, GitHub, or comparable tools.
• Maintain technical documentation, operational procedures, and architecture standards.
• Participate in backup, disaster recovery, security, and SOX compliance initiatives.
• Mentor junior team members and provide technical guidance on IBM middleware technologies.

• 8+ years of enterprise middleware or application integration experience.
• 5+ years of recent, hands-on experience with IBM App Connect Enterprise (ACE) and/or IBM Integration Bus (IIB).
• Strong hands-on experience administering and supporting IBM MQ in enterprise production environments.
• Experience designing, developing, debugging, and supporting IBM ACE message flows.
• Experience with ESQL and enterprise message transformation.
• Experience implementing REST and SOAP integrations.
• Experience implementing API security, authentication, and secure messaging within IBM ACE.
• Experience designing integrations that gracefully handle downstream system failures, retries, and exception processing.
• Experience troubleshooting production integration issues in collaboration with software development teams.
• Experience supporting CI/CD pipelines using Jenkins, GitHub, or similar deployment tools.
• Strong scripting experience using one or more of the following:
  • PowerShell
  • Python
  • Linux/Unix Shell
• Bachelor's degree in Computer Science, Information Systems, MIS, Engineering, or related field (or equivalent experience).

• Microsoft Azure administration experience.
• Microsoft Power Platform administration experience.
• Experience supporting UC4/Automic or other enterprise job scheduling platforms.
• Experience supporting enterprise AI integration initiatives.
• Experience with enterprise monitoring and observability tools.
• Experience working in SOX-regulated environments.
• IBM App Connect Enterprise, IBM MQ, Microsoft Azure, or related certifications.

• Hybrid schedule with three days onsite in Central North Dallas.
• Work with enterprise-scale IBM middleware supporting mission-critical business applications.
• Join a collaborative technology team focused on modernizing enterprise integration architecture.
• Competitive compensation and comprehensive benefits package.
• Excellent long-term career growth with a stable, well-established organization.