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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 24×7 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
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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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