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Middleware Messaging Engineer

Arnex Solutions LLCChicago, IL🇺🇸United StatesPosted 31 Aug 2026

Why This Role Stands Out

This role offers exciting opportunities to advance your career by managing critical messaging infrastructure and participating in strategic modernization initiatives. You'll thrive here if you're a proactive engineer eager to develop your skills in a collaborative environment that values innovation. Apply today to become an integral part of Arnex Solutions' dynamic team!

Quick Overview

Seniority
Mid Senior
Work mode
On Site
Location
Chicago, IL, United States
Posted
20 hours ago
Agile

Job Description

Middleware Messaging Devops Engineer

Chicago IL  / Dallas TX (3 Days onsite)
 
 
We are seeking a skilled Middleware Messaging DevOps Engineer to support and modernize enterprise messaging infrastructure within a dynamic IT environment. This role involves managing IBM MQ and related messaging systems, with a focus on automation, security, and cloud migration initiatives, including containerization and infrastructure modernization.
Key Responsibilities
  • Install, configure, and maintain IBM MQ software (Queue Managers, Clients) on RHEL.
  • Perform version upgrades, apply fix packs, and manage patching cycles following best practices and security standards.
  • Configure MQ objects such as Queue Managers, Queues, Channels, Listeners, Clusters, Topics, and Subscriptions.
  • Monitor MQ system performance metrics, message throughput, and latency, and implement tuning adjustments.
  • Analyze MQ logs and trace data to optimize configurations and troubleshoot issues.
  • Provide expert-level troubleshooting for MQ connectivity, message delivery, security, and performance issues.
  • Act as a primary contact for application teams regarding MQ connectivity and messaging concerns.
  • Respond to incidents, diagnose root causes, and implement corrective actions, including participating in on-call rotations.
  • Monitor resource utilization and forecast capacity needs to support business growth.
  • Design and implement scalable MQ solutions, including clustering and distributed queuing.
  • Develop, test, and maintain disaster recovery procedures for MQ environments.
  • Configure and manage high availability solutions, including multi-instance Queue Managers and clustering.
  • Implement MQ security configurations, including TLS/SSL, CHLAUTH, and OAM, ensuring compliance with security policies.
  • Manage certificates and keystores for secure communication.
  • Interface with IBM support for problem resolution and product guidance.
  • Contribute to migration projects involving IBM MQ in AWS and containerized environments such as Docker and Kubernetes.
  • Develop automation scripts using Shell, Python, Perl, and tools like Ansible and Terraform to streamline administration tasks.
  • Maintain comprehensive documentation of MQ architecture, configurations, and operational procedures.
  • Collaborate with cross-functional teams including application developers, network engineers, and security teams.
Required Qualifications
  • Bachelor's degree in Computer Science, Information Technology, or related field, or equivalent practical experience.
  • 10+ years of hands-on experience administering IBM MQ in complex enterprise environments.
  • Deep understanding of IBM MQ core concepts (Queue Managers, Queues, Channels, Clustering, Security).
  • Proven troubleshooting skills for MQ issues, including connectivity, performance, and security.
  • Experience with Linux/RHEL administration.
  • Proficiency in scripting languages such as Bash, Python, or Perl for automation.
  • Strong knowledge of networking concepts (TCP/IP, DNS, firewalls, load balancers).
  • Excellent communication and teamwork skills.
Preferred Qualifications
  • Experience with IBM MQ on RHEL and in containerized/cloud environments.
  • Knowledge of advanced MQ features like MQ Appliances, Advanced Message Security (AMS), and Managed File Transfer (MFT).
  • Hands-on experience migrating IBM MQ workloads to AWS.
  • Familiarity with container orchestration tools such as Docker, Kubernetes, and OpenShift.
  • Experience with infrastructure-as-code tools like Ansible and Terraform.
  • Knowledge of enterprise monitoring tools such as Prometheus, Grafana, and Splunk.
  • Working knowledge of Kafka and other messaging technologies.
  • Experience working within Agile/DevOps methodologies.

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