Mainframe CICS / MQ Engineer

Location: CAN - ON - TORONTO

Time Type: Full time

Job Description

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.

Primary Skill: CICS Transaction Server | Secondary: IBM MQ (z/OS)

We are seeking an experienced Mainframe CICS / MQ Engineer to support and maintain enterprise CICS and MQ environments on z/OS. This role focuses primarily on CICS system programming, with strong hands‑on responsibility for IBM MQ subsystems.

Key Responsibilities

• Build, configure, upgrade, and support CICS Transaction Server regions
• Strong knowledge of CICS internals, storage protection, transaction isolation, and RENTPGM
• Support CICS inter‑region communication (MRO, ISC)
• Install and support vendor products running within CICS
• Perform troubleshooting, service restoration, and root‑cause analysis
• Support Disaster Recovery planning, testing, and execution
• Maintain IBM MQ subsystems, JCL, pagesets, channels, buffer pools, and security
• Install, upgrade, and apply PTFs/HIPERs for MQ environments
• Support MQ security, audits, and distributed queue management
• Participate in 24x7 on‑call rotation
• Follow change management and audit processes

Required Skills

• Strong experience with CICS Transaction Server on z/OS
• Working experience with IBM MQSeries / IBM MQ on z/OS
• MVS tools: TSO/ISPF, JCL, SDSF, IBM & VSAM utilities
• Exposure to RACF, ACF2, or Top Secret
• Disaster Recovery experience (backup, restore, DR drills)
• Ability to work independently and manage multiple priorities

Nice to Have

• IBM Assembler familiarity (reading code/dumps/exits)
• Experience in large enterprise or regulated environments

DXC is an equal opportunity employer. We welcome the many dimensions of diversity. Accommodation of special needs for qualified candidates may be considered within the framework of the DXC Accommodation Policy.

In addition, DXC Technology is committed to working with and providing reasonable accommodation to qualified individuals with physical and mental disabilities. If you need assistance in filling out the employment application or require a reasonable accommodation while seeking employment, please e-mail AODA Canada Requests.

Note: This option is reserved for applicants needing a reasonable accommodation related to a disability.

At DXC Technology, we believe strong connections and community are key to our success. Our work model prioritizes in-person collaboration while offering flexibility to support wellbeing, productivity, individual work styles, and life circumstances. We’re committed to fostering an inclusive environment where everyone can thrive.

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