ZipRecruiter

Log In

1

Mainframe Programmer Jobs in Toronto, ON (NOW HIRING)

Royal Bank of Canada

Full Stack Developer

Toronto, ON · On-site

This role spans both modern full-stack development and Mainframe-based payment processing, offering ... senior developers * Develop and maintain enterprise-grade Spring Boot microservices, React ...

Td

Quality Engineer I

Toronto, ON

CA$69K - CA$98K/yr

Hands on experience in validating Mainframe Database IMS DB & DB2. Strong knowledge in running JCLs & Procs. Experience in Validating job logs in Spool. Strong knowledge on Host files (PS, PDS, GDG ...

Scotiabank

Programmer Analyst Senior

Toronto, ON

As a Programmer Analyst within Core Banking Engineering, you will be responsible to develop and ... have: mainframe development experience and enterprise architectural knowledge/experience ...

Td

Quality Engineer I (Core-Java & Mainframe)

Toronto, ON · On-site

CA$69K - CA$98K/yr

... Engineering or Software Testing using industry standard tools. * Strong knowledge of Core-Java concepts (OOP, collections, exception handling) * Experience in Mainframe testing using file-aid/Insync ...

Td

IT Build Analyst I

Toronto, ON · On-site +1

CA$59K - CA$84K/yr

Programming/scripting fundamentals * Experience with tools such as: * Excel * FTP * Visio * Word * Ability to learn and apply automation technologies within the mainframe ecosystem * College or ...

Td

Software Engineer I

Toronto, ON

CA$69K - CA$98K/yr

TD's Core Platform Party1 Product Group is seeking a talented Software Engineer I to support ... Technical Skills * 2-3 Years of experience with Mainframe technology including Cobol, IMS, DB2, zOS ...

BMO Capital Markets

Senior Technical Lead

Toronto, ON · On-site

... Mainframe ecosystems, cloud technologies, APIs, and enterprise-scale production environments . As a technical leader, you'll influence platform strategy, guide engineering teams, solve complex ...

New

United Airlines

Sr. IZWS Scheduler Expert

Toronto, ON · On-site

CA$62K - CA$147K/yr

... engineers, and operations to resolve migration challenge. * Support pre-migration cleanup and best-practice preparation activities for each sysplex Your skills and experience * 5+ years of mainframe ...

United Airlines

Sr. IZWS Scheduler Expert

Mississauga, ON · On-site

CA$62K - CA$147K/yr

... engineers, and operations to resolve migration challenge. * Support pre-migration cleanup and best-practice preparation activities for each sysplex Your skills and experience * 5+ years of mainframe ...

previous pagenext page

Showing results 21-40

All JobsMainframe Programmer JobsMainframe Programmer Jobs in Toronto, ON

Mainframe Programmer information

What is mainframe developer salary?

The salary for a mainframe developer typically ranges from $70,000 to $120,000 annually, depending on experience, location, and certifications. Senior roles or those with specialized skills in COBOL, JCL, or mainframe environments may earn higher compensation. Many employers also offer benefits such as health insurance and retirement plans.

Is mainframe developer a good career?

Mainframe developers design, maintain, and update large-scale legacy systems using languages like COBOL and tools such as JCL. The role offers stable employment opportunities, especially in finance and government sectors, with competitive salaries and demand for specialized skills. However, it requires ongoing learning of mainframe technologies and certifications to stay current in the field.

What are the key skills and qualifications needed to thrive as a Mainframe Programmer, and why are they important?

To thrive as a Mainframe Programmer, you need a solid understanding of COBOL, JCL, DB2, and general mainframe architecture, often supported by a degree in computer science or related experience. Familiarity with tools like IBM z/OS, TSO/ISPF, and source control systems such as Endevor or Changeman is typically required. Strong problem-solving skills, attention to detail, and effective communication set top performers apart in this role. These abilities are critical for maintaining legacy systems, ensuring data integrity, and supporting business-critical operations in large organizations.

What tech jobs pay $400,000 a year?

Mainframe programmers with extensive experience, specialized skills in COBOL, and certifications can earn salaries approaching or exceeding $400,000 annually, especially in senior or leadership roles within large financial or government organizations. High compensation often depends on expertise, project complexity, and the ability to manage critical legacy systems.

What are some common challenges Mainframe Programmers face when working on legacy systems?

Mainframe Programmers often encounter challenges such as understanding complex, decades-old codebases written in languages like COBOL or Assembler, and integrating these systems with modern technologies. Documentation may be sparse or outdated, requiring strong problem-solving and analytical skills to decipher business logic. Additionally, coordinating with cross-functional teams—including business analysts, testers, and infrastructure specialists—is essential to ensure smooth system updates and migrations. Adaptability and effective communication are key to overcoming these obstacles and supporting mission-critical applications.

What are Mainframe Programmers?

Mainframe Programmers are specialized software developers who design, write, test, and maintain code for mainframe computer systems. These professionals primarily work with legacy programming languages such as COBOL, JCL, and sometimes Assembler, to ensure critical business applications run smoothly and securely. They are often employed in industries like banking, insurance, and government where mainframe systems remain essential for processing large volumes of transactions. Mainframe Programmers also troubleshoot system issues, optimize performance, and may assist in system upgrades or migrations.

Can mainframe be replaced by AI?

Mainframe programmers work with large-scale, legacy systems that often require specialized knowledge of COBOL, JCL, and mainframe environments. While AI can automate certain tasks like code analysis and testing, it is unlikely to fully replace mainframe programmers due to the complexity, stability, and critical nature of mainframe systems that demand expert oversight and maintenance.

What is the difference between Mainframe Programmer vs Mainframe Developer?

AspectMainframe ProgrammerMainframe Developer
Primary RoleWriting, testing, and maintaining mainframe codeDesigning and developing mainframe applications and systems
Skills & CertificationsCOBOL, JCL, DB2, certifications in mainframe technologiesSimilar skills, often with additional focus on system design and architecture
Work EnvironmentMainframe environments in banking, finance, governmentSame environments, with broader development responsibilities
Job FocusCode implementation and troubleshootingApplication development and system integration

While both roles work within mainframe environments and share skills like COBOL and JCL, Mainframe Programmers primarily focus on coding and maintenance, whereas Mainframe Developers are involved in designing and developing new applications and systems. The roles often overlap, but the developer role typically encompasses a broader scope in application lifecycle management.

What Does a Mainframe Programmer Do?

As a mainframe programmer, your job is to design and program applications for mainframe computers, which are powerful machines that help to run many commercial and industrial processes. In this role, you may conduct an analysis of existing software to ensure it is as error-free as possible, help test new software, and implement software in a way that makes it easy for users to access. Mainframe programmers often use coding languages like COBOL, C++, SQL, Java, and CLIST when programming software. Somewhat unusually, most companies prefer to stick with specific coding languages even when they are not necessarily the best language for the job in order to reduce complexity and the risk of errors.

More about Mainframe Programmer jobs
What are the most commonly searched types of Mainframe Programmer jobs in Toronto, ON? The most popular types of Mainframe Programmer jobs in Toronto, ON are:
What are popular job titles related to Mainframe Programmer jobs in Toronto, ON? For Mainframe Programmer jobs in Toronto, ON, the most frequently searched job titles are:
What job categories do people searching Mainframe Programmer jobs in Toronto, ON look for? The top searched job categories for Mainframe Programmer jobs in Toronto, ON are:
Mainframe Programmer jobs near you
Infographic showing various Mainframe Programmer job openings in Toronto, ON as of July 2026, with employment types broken down into 75% Full Time, and 25% Contract. Highlights an 100% In-person job distribution.

Senior DevOps Platform Architect

Veriday Inc.

Toronto, ON • On-site

Contractor

Posted 20 days ago

Job description

Salary: $80-$100

We are seeking a dynamic and technically strong Senior DevOps Platform Architectwho thrives in fast-paced environments and enjoys leading initiatives that drive operational excellence.


As a Senior DevOps Platform Architect, you will play a critical role in bridging the gap between development and operations, ensuring that our applications are built, tested, and deployed with speed, reliability, and compliance with the Enterprise security standards. A key focus of this role is leading the migration of deployment automation from IBMUrbanCode Deploy(UCD) toOctopus Deploy, including the review and conversion of existing Groovy-based deployment scripts into optimized Octopus Deploy solutions, rigorous testing, production enablement, and continuous improvement of enterprise CI/CD capabilities.


This is a 5-month contract, hybrid position with the potential for extension. The successful candidate is expected to work from our Toronto office three days per week.


What will you do?

  • Lead the design and development of key features for the Helios CI/CD pipeline VM and Mainframe platforms
  • Lead the migration of CI/CD deployment pipelines from IBM UrbanCode Deploy (UCD) to Octopus Deploy, ensuring alignment with enterprise DevOps standards.
  • Review, analyze, and refactor existing UCD deployment scripts and workflows, translating them into Octopus Deploy processes and automation frameworks.
  • Develop, test, and optimize deployment automation in Octopus Deploy using C# and modern DevOps practices.
  • Validate migrated pipelines through rigorous testing and ensure successful execution in production environments.
  • Drive continuous improvement initiatives by identifying opportunities to simplify, standardize, and optimize deployment processes during the UCD-to-Octopus transition.
  • Collaborate with development, infrastructure, and release management teams to ensure smooth deployment operations and production readiness.
  • Troubleshoot and resolve deployment, automation, and release-related issues across distributed and mainframe environments.
  • Contribute to CI/CD platform governance, security, reliability, and operational excellence.



What do you need to Succeed?


  • Minimum 5 years of developer experience with a deep understanding of DevOps Principles and best practices forCI/CD, including designing at an Enterprise scale
  • Experience migrating deployment automation from legacy DevOps platforms (preferably IBM UrbanCode Deploy) to modern deployment orchestration platforms such as Octopus Deploy.
  • Proficiency in Groovy scripting with experience reviewing, maintaining, and refactoring existing automation scripts.
  • Strong development experience in C# with the ability to build and optimize deployment automation within Octopus Deploy.
  • Experience designing, testing, and deploying production-ready release automation solutions.
  • Deep understanding of DevOps principles, Infrastructure as Code, deployment orchestration, and release management best practices.
  • Understand configuration as code, RBAC, and working within the Mainframe environment from modern deployment platforms
  • Experience with DevOps tools, platforms, and interfaces: Jenkins, UCD, Github, Github Actions, JFrog Artifactory, Hashicorp Vault, Ansible,Octopus Deploy
  • Proficient with Java,Python, Typescript,Groovy, YAML, NPM
  • Experience with deploying to cloud platforms: OCP,Azure, AWS
  • 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 casual workspace, and great people to collaborate with. If this job sounds perfect for you, please apply.