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About the Role
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, and is critical to ensuring the stability, performance, and security of mission-critical transaction processing systems. In this position, you will be responsible for building, configuring, upgrading, and supporting CICS Transaction Server regions, while applying deep knowledge of CICS internals, storage protection, and transaction isolation. You will also maintain IBM MQ subsystems, troubleshoot complex issues, and support disaster recovery activities to ensure business continuity. This role requires a proactive engineer who can work independently, manage multiple priorities, and participate in a 24x7 on-call rotation (rotating every 2-3 weeks) to support enterprise-critical infrastructure within a regulated, audit-driven environment.
Responsibilities
- Build, configure, upgrade, and support CICS Transaction Server regions
- Apply 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, page sets, 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
Requirements
- 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
- IBM Assembler familiarity (reading code/dumps/exits)
- Experience in large enterprise or regulated environments
Skills
- CICS Transaction Server
- IBM MQ
- z/OS
- MVS tools
- TSO/ISPF
- JCL
- SDSF
- IBM utilities
- VSAM utilities
- RACF
- ACF2
- Top Secret
- Disaster Recovery
- IBM Assembler
Work Type
- full-time
Salary/Compensations
- $80,100 - $130,100
Benefits
- Health insurance coverage
- Dental insurance coverage
- Vision insurance coverage
- Employee wellness
- Life insurance
- Disability insurance
- Retirement savings plan
- Paid holidays
- Paid time off
About the Company
- 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.
- DXC Global Infrastructure Services (GIS) manages and modernizes IT infrastructure for the world's largest enterprises through agentic, platform-led operations. We deliver cloud, security, workplace, infrastructure and business-process services that shift operations from reactive support to proactive, outcome-driven service delivery at scale, with human-in-the-loop governance.
- DXC Infrastructure Services deliver agentic operations through DXC OASIS to manage large‑scale, mission‑critical environments. Autonomous, policy‑governed agents anticipate issues, optimize performance, and support remediation with human‑in‑the‑loop control, shifting operations from reactive support to pre‑emptive, resilient service delivery.
- 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.
Equal Opportunity
- 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.