Cognizant is seeking a Senior Middleware / Messaging Engineer with deep expertise in IBM WebSphere MQ running on the z/OS mainframe to administer, operate, and continuously improve enterprise messaging and integration services. The role ensures the stability, availability, performance, and security of mainframe-hosted MQ queue managers and the integration flows they support, delivered to contracted SLOs within a managed-services operating model.
The engineer bridges the Integration & Runtime Services messaging scope with the mainframe (z/OS) environment – operating MQ alongside mainframe scheduling, security, and file-transfer services (Connect:Direct between mainframe and open systems). The role also supports the enterprise modernization direction, contributing to the containerization and consolidation roadmap for runtime and messaging services and to AI-driven monitoring and automation.
Responsibilities:
· Administer, operate, and maintain IBM WebSphere MQ on z/OS – queue managers, queues, channels, clustering, and connectivity to distributed MQ – to meet availability, stability, and security targets.
· Perform MQ lifecycle activities including patching, upgrades, currency, and capacity planning across mainframe and connected environments.
· Operate and tune messaging and integration flows on z/OS, applying security and compliance controls across integration points (RACF, SOX/audit).
· Monitor MQ and mainframe runtime platforms to detect and prevent service disruptions; provide incident resolution and root cause analysis for messaging and integration issues.
· Support and coordinate IBM Connect:Direct file transfers between mainframe and open systems, ensuring reliable and secure data exchange.
· Automate operational tasks using JCL, Autosys, CA7, and mainframe scripting to reduce manual effort and improve resilience.
· Implement backup, recovery, and disaster-recovery practices for MQ and mainframe messaging services, with evidence and runbooks.
· Maintain centralized documentation, standard operating procedures, and best practices for runtime, messaging, and integration services. .
· Collaborate with application, architecture, security, and container-platform teams to align messaging services with enterprise architecture.
· Contribute to the modernization roadmap – containerization and consolidation of runtime/messaging services, and AI-driven observability and automation – while sustaining mainframe BAU.
The salary range for this role is between $114,000 and $130,000 depending on skills and qualifications of the candidate. Applications will be accepted till 10/20/2026.
Things to know before you apply
- Work authorization: Cognizant will only consider applicants for this position who are legally authorized to work in Canada without requiring employer sponsorship, now or at any time in the future.
- Accommodations: If you have a disability that requires reasonable accommodation to search for a job opening or submit an application, please email [email protected] with your request and contact information.
- AI in hiring: We use artificial intelligence (AI) tools to help us screen and assess applications more efficiently. Our team performs additional human review and ultimately decides who moves forward in our hiring process.
- Open position: Unless otherwise stated, this job posting is for an open position on our team.
- Language proficiency: We ask that all candidates have basic English proficiency for company-wide communications purposes. For roles based in Quebec, professional English proficiency is required, as you’ll deliver services to and collaborate with stakeholders outside the province who may not speak French.
- Inclusion: Cognizant is an equal opportunity employer. Your application and candidacy will not be considered based on race, color, sex, religion, creed, sexual orientation, gender identity, national origin, disability, genetic information, pregnancy, veteran status or any other characteristic protected by federal, provincial or local laws.
About Cognizant
Cognizant (Nasdaq: CTSH) is an AI Builder and technology services provider, bridging the gap between AI investment and enterprise value by building full-stack AI solutions for our clients. Our deep industry, process and engineering expertise enables us to build an organization’s unique context into technology systems that amplify human potential, drive tangible outcomes and keep global enterprises ahead in a fast-changing world. See how at cognizant.ai or @cognizant.











