ZipRecruiter

Log In

1

Mainframe Engineer 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 (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

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 ...

Td

Senior IT Build/CICS Programmer

Toronto, ON · Remote

CA$81K - CA$115K/yr

Middleware & Database Technical Services group within Infrastructure & Engineering - Mainframe Delivery is responsible for Support, Design, Build, Test and Deploy of Mainframe Database and ...

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 ...

previous pagenext page

Showing results 21-40

All JobsMainframe Engineer JobsMainframe Engineer Jobs in Toronto, ON

Mainframe Engineer information

See Toronto, ON salary details

$34

$52

$66

How much do mainframe engineer jobs pay per hour?

As of Jul 26, 2026, the average hourly pay for mainframe engineer in Toronto, ON is $52.12, according to ZipRecruiter salary data. Most workers in this role earn between $44.96 and $58.04 per hour, depending on experience, location, and employer.

Are mainframe engineers in demand?

Mainframe engineers are in steady demand due to the continued reliance of large organizations on mainframe systems for critical operations. Skills in COBOL, JCL, and mainframe security are highly valued, and many companies seek experienced professionals to maintain and modernize legacy systems.

What is the difference between Mainframe Engineer vs Mainframe Developer?

AspectMainframe EngineerMainframe Developer
Primary RoleMaintains, supports, and optimizes mainframe systems and infrastructureDesigns, codes, and tests mainframe applications and software
Skills & CertificationsKnowledge of mainframe hardware, OS, and system tools; certifications like IBM Certified System AdministratorProficiency in COBOL, JCL, and mainframe programming; similar certifications often applicable
Work EnvironmentSystem support teams, data centers, enterprise IT departmentsDevelopment teams, software projects, application environments
Industry UsageFinancial services, government, large enterprisesFinancial institutions, insurance, large corporations

While both roles work within mainframe environments, Mainframe Engineers focus on maintaining and supporting the infrastructure, whereas Mainframe Developers primarily design and develop mainframe applications. Both roles often require similar certifications and work in related environments, but their core responsibilities differ.

How much does a mainframe engineer make?

Mainframe engineers typically earn between $70,000 and $120,000 annually, depending on experience, location, and certifications. Senior roles or those with specialized skills in COBOL, JCL, or mainframe security can command higher salaries.

What is a Mainframe Engineer?

A Mainframe Engineer is an IT professional who specializes in maintaining, configuring, and optimizing mainframe computer systems. These engineers ensure the reliability, security, and efficiency of mainframes, which are large, powerful computers used by organizations for critical applications such as banking, government, and large-scale data processing. Their responsibilities include system upgrades, troubleshooting hardware and software issues, performance tuning, and implementing security protocols. Mainframe Engineers often work with legacy systems and must be proficient in mainframe-specific operating systems and languages like COBOL, JCL, and z/OS.

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

To thrive as a Mainframe Engineer, you need strong expertise in mainframe systems (such as IBM z/OS), programming languages like COBOL and JCL, and a relevant degree in computer science or a related field. Familiarity with tools like TSO/ISPF, DB2, CICS, and industry certifications such as IBM Certified System Programmer are typically expected. Analytical thinking, problem-solving, and effective communication are vital soft skills that help in troubleshooting and collaborating with cross-functional teams. These skills ensure reliable system performance, quick issue resolution, and seamless integration with modern IT environments.

What are some common challenges Mainframe Engineers face when integrating legacy systems with modern technologies?

Mainframe Engineers often encounter challenges when integrating legacy systems with newer platforms, such as ensuring compatibility, maintaining data integrity, and minimizing downtime during migrations. Navigating differences in programming languages, data formats, and security protocols requires careful planning and strong problem-solving skills. Collaboration with application developers, database administrators, and IT security teams is typically essential to achieve seamless integration and support business continuity.

What do mainframe engineers do?

Mainframe engineers design, develop, and maintain large-scale computer systems used by organizations for critical applications. They work with mainframe hardware, operating systems like z/OS, and programming languages such as COBOL and PL/I, often ensuring system security, performance, and reliability. These roles typically require knowledge of system administration, troubleshooting, and sometimes certifications in mainframe technologies.

Can mainframe be replaced by AI?

Mainframe engineers work with large-scale, legacy computing systems that handle critical enterprise data. While AI can automate certain tasks like data analysis and system monitoring, it does not currently replace the core functions of mainframes or the specialized skills of mainframe engineers. Instead, AI is often integrated to enhance mainframe operations and improve efficiency.
What are popular job titles related to Mainframe Engineer jobs in Toronto, ON? For Mainframe Engineer jobs in Toronto, ON, the most frequently searched job titles are:
What job categories do people searching Mainframe Engineer jobs in Toronto, ON look for? The top searched job categories for Mainframe Engineer jobs in Toronto, ON are:
Mainframe Engineer jobs near you
Infographic showing various Mainframe Engineer job openings in Toronto, ON as of July 2026, with employment types broken down into 94% Full Time, 3% Part Time, and 3% Contract. Highlights an 86% Physical, 7% Hybrid, and 7% Remote job distribution, with an average salary of $108,404 per year, or $52.1 per hour.

Senior DevOps Platform Architect

Veriday Inc.

Toronto, ON • On-site

Contractor

Posted 21 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.