Mainframe CICS & MQ Systems Programmer (z/OS)

Job Description:

DXC Technology (NYSE: DXC) is a leading enterprise technology and innovation partner delivering software, services, and solutions to global enterprises and public sector organizations — helping them harness AI to drive outcomes at a time of exponential change with speed. With deep expertise in Managed Infrastructure Services, Application Modernization, and Industry-Specific Software Solutions, DXC modernizes, secures, and operates some of the world’s most complex technology estates. Learn more on dxc.com

Mainframe CICS & MQ Systems Programmer (z/OS):-

You will be responsible for the installation, configuration, maintenance, performance tuning, and security of IBM CICS Transaction Server and IBM MQ on z/OS. This role ensures high availability, resilience, and optimal performance for mission‑critical workloads, leveraging CICSPlex SM for multi‑region management and automation.

Key Responsibilities

Platform Engineering & Lifecycle Management

• Install, Upgrade, and Maintain IBM CICS TS and IBM MQ using SMP/E.

• Configure and customize CICS regions (TOR/AOR/FOR) and manage CICSPlex SM for workload balancing, routing, and centralized administration.

• Configure MQ Queue Managers, Queues, Channels, Clusters, and Queue Sharing Groups.

• Maintain technical documentation and automation artifacts for deployments and recovery.

Performance, Capacity & Reliability

• Monitor and tune CICS regions and MQ subsystems using RMF/SMF, OMEGAMON, Sysview or equivalent.

• Analyse and resolve complex incidents (dump analysis, abends, queue depth anomalies, channel failures).

• Design and test high‑availability patterns using CICSPlex SM and MQ clustering; participate in Disaster Recovery exercises.

Integration & Developer Enablement

• Define and manage CICS resources (programs, transactions, URIMAPs, PIPELINEs) and MQ objects (queues, topics, channels).

• Provide technical guidance to application teams on CICS-MQ integration and performance‑aware design.

• Collaborate with z/OS System Programmers, Db2 DBA’s, Security, and Network teams for end‑to‑end reliability.

Security, Compliance & Automation

• Implement RACF/ACF2 security for CICS regions and MQ resources.

• Build automation and alerting (REXX, JCL, z/OSMF workflows) to improve resiliency and reduce manual effort.

Required Qualifications

• Expertise in IBM CICS TS architecture, configuration, and tuning on z/OS.

• Strong knowledge of CICSPlex SM for multi‑region management.

• In‑depth knowledge of IBM MQ administration on z/OS.

• Strong z/OS fundamentals: JCL, TSO/ISPF, SMP/E, JES2, SMF/RMF.

• Proficiency in scripting/automation (REXX, JCL; z/OSMF desirable).

• Familiarity with DB2, IMS, and performance tooling (OMEGAMON, Sysview).

Preferred Experience

• MQ/CICS integration for high‑volume workloads.

• Advanced dump analysis and coordination with IBM support.

• Exposure to modern patterns (APIs, cloud‑adjacent integration, Java/COBOL services).

Core Competencies

• Analytical problem solving under pressure.

• Cross‑functional collaboration with AppDev, DB, Security, and Operations.

• Ownership and reliability with on‑call participation.

Trust, Transform & Thrive with a company whose mission is to lead our clients on their digital transformation journey. DXC Technology is recognized globally as a force multiplier, enabling clients to seize the opportunities presented by today's rapidly changing technologies.

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