Mainframe Cics / Mq Engineer

About the Team / Offering – Global Infrastructure Services – Infrastructure Services
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.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.Essential Job Functions
Build, configure, upgrade, and support CICS Transaction Server regionsApply strong knowledge of CICS internals, storage protection, transaction isolation, and RENTPGMSupport CICS inter‑region communication (MRO, ISC)Install and support vendor products running within CICSPerform troubleshooting, service restoration, and root‑cause analysisSupport Disaster Recovery planning, testing, and executionMaintain IBM MQ subsystems, JCL, page sets, channels, buffer pools, and securityInstall, upgrade, and apply PTFs/HIPERs for MQ environmentsSupport MQ security, audits, and distributed queue managementParticipate in 24x7 on‑call rotationFollow change management and audit processesBasic Qualifications
Strong experience with CICS Transaction Server on z/OSWorking experience with IBM MQSeries / IBM MQ on z/OSMVS tools: TSO/ISPF, JCL, SDSF, IBM & VSAM utilitiesExposure to RACF, ACF2, or Top SecretDisaster Recovery experience (backup, restore, DR drills)Ability to work independently and manage multiple prioritiesOther Qualifications
IBM Assembler familiarity (reading code/dumps/exits)Experience in large enterprise or regulated environmentsWhy DXC? / Life at DXC
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. Compensation at DXC is influenced by an array of factors, including but not limited to the experience, job‑related knowledge, skills, competencies, as well as contract‑specific affordability and organizational requirements. A reasonable estimate of the current compensation range for this position is $80,100 - $130,100. Full‑time hires are eligible to participate in the DXC benefit program.DXC offers a comprehensive, flexible, and competitive benefits program which includes, but is not limited to, health, dental, and vision insurance coverage;
employee wellness;
life and disability insurance;
a retirement savings plan, paid holidays, paid time off.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.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.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.
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