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Ibm Mainframe Developer Jobs in Ontario (NOW HIRING)

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RQ09797 - 2 x Sr. Software Developer - Back End About the job RQ09797 - 2 x Sr. Software Developer ... IBM mainframe tools 15%: Experience with z/OS V2.2 or higher. Expertise using file and database ...

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Veriday Inc.

Lead DevOps Engineer

Toronto, ON · On-site

Highly proficient with IBM Developer for z/OS (IDz). * Experience with Mainframe utilities and ... platforms: ISPF, TSO, Mainframe Filesystems, JES, Endeavor We offer a competitive hourly rate, a ...

Veriday Inc.

Lead DevOps Engineer

Toronto, ON · Hybrid

Highly proficient with IBM Developer for z/OS (IDz). * Experience with Mainframe utilities and ... platforms: ISPF, TSO, Mainframe Filesystems, JES, Endeavor We offer a competitive hourly rate, a ...

Veriday Inc.

Principal DevOps Engineer

Toronto, ON · Hybrid

Highly proficient with IBM Developer for z/OS (IDz). * Experience with Mainframe utilities and ... platforms: ISPF, TSO, Mainframe Filesystems, JES, Endeavor We offer a competitive hourly rate, a ...

Veriday Inc.

Principal DevOps Engineer

Toronto, ON · On-site

Highly proficient with IBM Developer for z/OS (IDz). * Experience with Mainframe utilities and ... platforms: ISPF, TSO, Mainframe Filesystems, JES, Endeavor We offer a competitive hourly rate, a ...

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Ibm Mainframe Developer information

Is IBM mainframe developer still in demand?

IBM mainframe developers are still in demand due to the continued reliance of large enterprises on mainframe systems for critical operations. Skills in COBOL, JCL, and mainframe security are valuable, and many organizations seek experienced developers to maintain and modernize legacy systems, ensuring steady job opportunities in this field.

Is IBM Mainframe Developer a good career?

IBM Mainframe Developer is a specialized role involving maintaining and developing applications on mainframe systems using languages like COBOL and JCL. It offers stable employment, competitive salaries, and opportunities for advancement in industries such as finance and government that rely on mainframe technology. Knowledge of mainframe tools, certifications, and evolving skills can enhance career prospects in this field.

What is an IBM mainframe developer?

An IBM Mainframe Developer is responsible for designing, developing, maintaining, and troubleshooting applications that run on IBM mainframe systems. They typically work with programming languages like COBOL, JCL, and SQL, and use tools such as CICS and DB2 to manage transactions and databases. Their role is critical in industries like banking, insurance, and government, where mainframes handle large-scale, high-volume processing. IBM Mainframe Developers ensure system reliability, performance, and security while also modernizing legacy systems to meet evolving business needs.

What are the key skills and qualifications needed to thrive in the IBM mainframe developer position, and why are they important?

To thrive as an IBM Mainframe Developer, you need a strong background in COBOL, JCL, DB2, and CICS, typically supported by a relevant degree in computer science or a related field. Proficiency with mainframe tools such as IBM z/OS, TSO/ISPF, and knowledge of version control and debugging utilities is highly valued, with certifications like IBM Certified System Programmer being a plus. Strong analytical thinking, attention to detail, and communication skills help developers efficiently resolve complex issues and collaborate with cross-functional teams. These abilities are crucial to maintaining critical legacy systems, ensuring data integrity, and supporting organizational operations.

What are some common challenges IBM mainframe developers face and how are they addressed on the job?

IBM Mainframe Developers often encounter challenges such as integrating legacy mainframe applications with modern technologies and troubleshooting complex, mission-critical systems. Addressing these challenges typically involves working closely with system architects, business analysts, and other IT professionals to understand requirements and minimize downtime. Many organizations provide ongoing training and mentorship to help developers keep their skills current and solve unique technical problems. Proactive communication, strong documentation practices, and a problem-solving mindset are key to successfully navigating these hurdles. As a result, developers can expect a dynamic, team-oriented environment where continuous learning is encouraged.

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Ibm Mainframe Developer jobs near you
Infographic showing various Ibm Mainframe Developer job openings in Ontario as of July 2026, with employment types broken down into 87% Full Time, 2% Part Time, 1% Temporary, and 10% Contract. Highlights an 81% Physical, 4% Hybrid, and 15% Remote job distribution.

RQ09797 - 2 x Sr. Software Developer - Back End

Source Code

On-site

Full-time

This job post has expired 1 day ago. Applications are no longer accepted.

Job description

RQ09797 - 2 x Sr. Software Developer - Back End About the job RQ09797 - 2 x Sr. Software Developer - Back End

RQ09797 - Sr. Software Developer - Back End

Toronto (87 William Hearst Ave.) -required to come to the office 3 days a week

2 Openings

Max number of candidate submissions - 2(two)

· Analysis leading to detailed information related to the current system logical and physical design and code structures during the concept phase of project

· Analysis of technical database requirements leading to definition of changes required to support the new system. Interface and arrangements with the DBA/Data Management staff to progress these changes.

· Creation of technical specifications in accordance with the OPS standards.

· Identification of problems/issues along with mitigation strategies

· Regular status reports on progress made.

· Effective knowledge transfer to RUS and I&IT Cluster staff at all stages of this assignment

· Report status to and follow overall direction from the Project Manager and/or Lead Technical Coordinator

· Logical and physical design required to incorporate the required changes.

· JAD sessions / walkthroughs to vet the design and obtain signoff of the technical specifications.

· Development of new code and modification of existing code (online, batch and workstation) to implement the design as signed off in the technical specifications.

· Interface with the mid-tier developers.

· Ensure that the appropriate QA technical standards are incorporated into all artefacts and system code.

· Preparation of test data and code unit testing.

· Participation in integration testing including input to the integration test plan, setup of the test environment, creation of test data, execution of integration tests with the BAs and other developers, recording of test results and defect repair.

· Planning and participation in code retrofit with other developers that are modifying the same LCS code in other projects.

· Analysis of reported defects and corrections required to eliminate the defects.

· Use of Ministry mandated management tools for code libraries.

Must-have:

  • 5+ years of experience writing mainframe PL/I transactions that process XML input and produce XML output and consume it.
  • Programming Languages 25%: Recent experience in using PL/I V4.5 or higher within the last 5 years, IBM mainframe DBs, APIs, mainframe source control, mainframe batch 20%: Experience with IMS DB V12 or higher (HALDB and DEDB) using the PLITDLI API. Experience with DB2 for z/OS V11 or higher.
  • IBM mainframe tools 15%: Experience with z/OS V2.2 or higher. Expertise using file and database management tools (either File Aid V10.1 or higher, or IBM File Manager V13.1 or higher).
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