As of November 6, 2026, Jobsy lists 6 mainframe developer jobs in Toronto, ON. The most active employers are Astra North Infoteck Inc., Capgemini and Dimensional Tech Inc.. Skills often requested: cobol, jcl, ibm db2 and cics.
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Candidates need a post-secondary education, production support experience and a strong mainframe maintenance background. They must know COBOL, JCL, IMS, DB2, MQSeries and Git/Endevor/Zeke, and have excellent written and verbal communication.
10+ YOEDimensional Tech Inc. needs candidates with 10+ years of mainframe development experience in IMS DB/DC environments, plus hierarchical database work with IMS DB and VSAM. Experience with COBOL, JCL, TSO/ISPF and related tools, and with property registration systems such as PPSR, is required.
Candidates need strong IBM mainframe skills in COBOL, JCL, SQL, DB2 and IMS, plus experience with Endevor, File-AID and CA-7. They must work independently, learn quickly and be comfortable with AI tools such as GitHub Copilot.
IBM Mainframe, Endevor, File-AID, CA-7, INSYNC, Jira
Candidates need strong IBM mainframe skills in COBOL, JCL, DB2 and IMS, plus the ability to work independently and solve problems. Experience with AI-assisted coding tools such as GitHub Copilot is expected.
6+ YOECandidates need 6-8 years of mainframe application development experience, with DB2 as the core skill. The role also calls for strong troubleshooting and documentation habits and comfort with code reviews, testing and releases.
Thinkpivot: Thinkpivot Talent Solutions provides executive recruiting for discerning clients with specializations in Sales, Marketing and Technology roles..
Candidates need mainframe experience with COBOL, MQ Series and JCL, plus previous public sector contract experience and an Enhanced Reliability security clearance.
Mainframe, COBOL, MQ Series, JCL, z/OS, CICS
Common questions
Who is hiring mainframe developers?
Astra North Infoteck Inc. (3), Capgemini (1), Dimensional Tech Inc. (1), Fisher Scientific Company (1) and Thermo Fisher Scientific (1).
What skills do mainframe developer jobs ask for?
Postings most often mention cobol, jcl, ibm db2, cics, api development, documentation, problem solving and communication skills.