Mainframe Technical Lead Card Services Location: Toronto, ON Hybrid (Currently 2 days in office; may change to 4 days in office)
Duration: 8 Months
Pay Rate: CAD $65/hr on C2C
Job Description
We are seeking an experienced Mainframe Technical Lead with extensive expertise in developing, supporting, and modernizing mission-critical Card Services applications within the banking domain.
The ideal candidate will have a robust background in Credit Card and Debit Card systems, Card Account Management, Customer Information, Authorization, Fraud Management, Rewards, and Dispute Processing on IBM Mainframe platforms.
The role requires proven leadership experience in delivering large-scale application modernization, database migration, and transformation initiatives , while ensuring high availability, security, regulatory compliance, and operational excellence.
Required Experience 15+ years of hands-on IBM Mainframe development experience in the Banking or Financial Services domain.
Strong experience supporting Credit Card or Debit Card applications on IBM Mainframe.
Proven experience leading technical teams and successfully delivering enterprise-scale Mainframe projects.
Extensive experience in application assessment, modernization, migration, and legacy transformation initiatives.




Hands-on experience executing complex database migration and data conversion projects with minimal business disruption.
Experience supporting mission-critical card applications with stringent availability, performance, and security requirements.
Experience in System Integration Testing (SIT), User Acceptance Testing (UAT), production implementation, and post-production support .
Strong understanding of SDLC, IT controls, audit processes, PCI DSS, and regulatory compliance within financial institutions.
Experience working in Agile, Scrum, SAFe, or Hybrid delivery models.
Excellent stakeholder management and customer-facing communication skills.
Mainframe Technologies IBM z/OS
COBOL
JCL
CICS
DB2
VSAM
IMS DB/DC
TSO/ISPF
Preferred Experience Experience working with Card Management Systems (CMS) and card processing platforms.
Experience in Debit Cards, Rewards, Fraud Management, Card Servicing, and Customer Account Management .
Experience leading enterprise Mainframe modernization and digital transformation programs.
Exposure to Mainframe API enablement, distributed system integration, and hybrid cloud architectures .
Experience with DevOps/DevSecOps practices and modern Mainframe development tools .
Experience with Copilot, VS Code, and Zowe CLI .
Experience in IBM IDz .

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📌 Mainframe Technical Lead (Ontario)
🏢 Hirematic Talent Solutions
📍 Ontario