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Senior CICS Systems Programmer
Markham, OntarioHybridContract12 monthsPosted September 2, 2026
Job Description
We are seeking an experienced Senior CICS Systems Programmer to support and maintain enterprise CICS infrastructure within a large-scale z/OS mainframe environment. The successful candidate will provide hands-on systems programming expertise while supporting CICS-related projects, application development teams, and the ongoing performance and evolution of the environment.
Key Responsibilities
Maintain and support CICS infrastructure on z/OS
Support CICS, CICSPlex and CICS Transaction Gateway (CTG)
Provide technical support and consultation to CICS application development teams
Participate in the planning, design, build, testing and implementation of CICS-related initiatives
Troubleshoot complex CICS and z/OS infrastructure issues
Support performance analysis and optimization
Provide technical leadership and mentorship to less experienced team members
Collaborate with architecture, development and infrastructure teams
Qualifications
5–10 years of CICS systems programming and/or application experience
Strong knowledge of CICS, CICSPlex and CTG internals and external interfaces
Strong understanding of z/OS components and architecture
Experience with z/OS and CICS diagnostic tools
Working knowledge of SMP/E, OMEGAMON and System Automation
Experience with IMS, Db2, WAS for z/OS and z/OS Connect is an asset
CICS performance analysis and tuning experience is an asset
Strong troubleshooting, problem-solving and communication skills
College/university education or equivalent relevant experience
Requirements
- Key Responsibilities
- Maintain and support CICS infrastructure on z/OS
- Support CICS, CICSPlex and CICS Transaction Gateway (CTG)
- Provide technical support and consultation to CICS application development teams
- Participate in the planning, design, build, testing and implementation of CICS-related initiatives
- Troubleshoot complex CICS and z/OS infrastructure issues
- Support performance analysis and optimization
- Provide technical leadership and mentorship to less experienced team members
Interested in this position?
Apply now and our recruitment team will be in touch with you shortly.
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