IBM - MQ - Expert Middleware Engineer

Ensono is a hybrid IT services provider that sees a world in transformation. We understand the world of business has become more complex, layered, and interdependent because we’re enabling the IT infrastructure for that transformation. Our clients are some of the most innovative and forward-thinking companies in the world and we help keep their businesses thriving. With nearly 50 years of experience, we optimize and modernize IT infrastructure by amplifying the power of mainframes and mid-range servers with the agility of cloud. Check us out at www.ensono.com.

Job Description: Senior Systems Engineer for Infra Global Middleware operations.

Job Summary:

We seek an experienced IBM MQ Administrator to manage and maintain our secure, efficient, and reliable enterprise messaging infrastructure. In this role, you will oversee the installation, configuration, and operational support of IBM MQ middleware, ensuring high availability and optimal performance of queue managers, channels, and related systems that facilitate seamless communication between distributed applications across our organization.

Key Responsibilities:

- Deploy and configure IBM MQ across multiple operating systems including Linux, Unix, Windows and AIX.

- Set up queue managers, channels, listeners, and both remote and local queues according to business requirements

- Implement best practices for middleware architecture and design

- Monitor daily environment health and system performance

- Track queue performance metrics and identify optimization opportunities

- Manage and maintain IBM MQ clusters using industry-standard monitoring tools (Grafana, IBM Instana, or native IBM MQ consoles)

- Proactively identify and resolve performance bottlenecks

- Design and implement end-to-end SSL/TLS security protocols

- Manage KeyStore and TrustStore configurations

- Execute digital certificate renewals and maintain compliance with security policies

- Ensure secure data transmission across all messaging channels

- Resolve complex channel failures and production disruptions

- Conduct thorough investigations and deliver comprehensive Root Cause Analysis (RCA) reports

- Provide timely escalation and support to application and infrastructure teams

- Develop and maintain automation scripts using Python, Bash, or Ansible

- Streamline deployment processes and eliminate repetitive manual tasks

- Continuously improve operational efficiency through infrastructure-as-code practices

Required Qualifications & Experience:

- 5 to 8+ years of hands-on middleware or infrastructure administration experience

- Advanced expertise in IBM MQ administration, including queue tuning and performance optimization

- Proven experience managing clustered IBM MQ environments in production

- Strong proficiency with Unix/Linux command-line tools and administration

- Solid understanding of network protocols, firewalls, load balancers, and network architecture

- Familiarity with related technologies such as IBM App Connect Enterprise (ACE), IBM Integration Bus (IIB), Apache Kafka, or WebSphere Application Server

Core Competencies:

- IBM MQ administration and architecture

- Queue management and tuning

- SSL/TLS security implementation

- Scripting and automation (Python, Bash, Ansible)

- Monitoring and performance management

- Troubleshooting and root cause analysis

- Unix/Linux system administration

- Network protocols and infrastructure

up to 15%

We are an equal opportunity employer. All qualified applicants will be considered for employment without regard to caste, colour, creed, religion, gender, gender identity, sexual orientation, age, disability, HIV status, or any other status protected by law. Candidates with disabilities who require accommodations during the recruitment process are encouraged to contact our Talent Acquisition team to place a request