We are seeking an experienced Senior Mainframe Developer to join a team supporting and enhancing a core mainframe cards and transactions platform. This is a critical enterprise system that connects clients to their banking products and services and supports 24/7 delivery channels such as Online Banking, POS, ATM, and other transaction-based services. This role involves both development and production support, with a focus on designing, building, testing, deploying, and evolving software solutions in a highly available banking environment. Key Responsibilities Design, develop, test, deploy, support, and enhance software solutions that support core banking services Lead and contribute to conversion, attestation, and audit initiatives Manage individual priorities, timelines, deliverables, and project commitments Analyze business and technical requirements to provide estimates and establish project plans Create, update, and maintain technical and project documentation Collaborate effectively with team members and cross-functional IT partners Provide after-hours production support when required (rare) Required Qualifications Completion of post-secondary education Strong written and verbal communication skills Strong hands-on expertise with: COBOL JCL IMS DB Online / Batch processing DB2 MQSeries Git Nice to Have Experience with: zUnit Familiarity with CI/CD pipelines for mainframe environments #J-18808-Ljbffr