Mainframe Developer (PL/I, Cobol, JCL, VSAM, IMS DB, DB2) Canada Remote 6-12 months Job Description: Mainframe Developer Application Enhancements, Support & Decommissioning Job Summary We are looking for an experienced Mainframe Developer to support application enhancements, production support, and decommissioning initiatives within a complex enterprise environment. The role requires strong expertise in legacy systems, data management, and operational stability while contributing to modernization and retirement of applications. The ideal candidate will have hands-on experience in PL/I, DB2, IMS, and JCL, along with strong analytical and troubleshooting skills. Job Requirements Design, develop, and implement enhancements to existing mainframe applications based on business requirements. Write, maintain, and optimize PL/I programs and JCL for batch and online processing. Work with DB2 and IMS databases for data processing, querying, and performance tuning. Provide Level 2/3 producti...