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Mainframe Jobs in Ontario (NOW HIRING)

LearnQuest

Mainframe Expert (Remote)

Toronto, ON · Remote

We are seeking a skilled Mainframe "File-Manager" Expert to join our dynamic team and contribute to the development of a comprehensive course. The ideal candidate will have in-depth expertise in File ...

Scotiabank

Mainframe Developer

Toronto, ON

Comprehensive experience in mainframe development complex programs using Cobol, JCL, IMS DB, DB2, VSAM, CA7, SAS, Netron. Experience working in an agile environment / methodology / deployment (e.g.

CIBC US

Mainframe Application Developer

Toronto, ON · Hybrid

As a Mainframe Developer, you'll lead the planning, technical design, and development of complex, enterprise-scale applications. You'll assemble, implement, and maintain flexible solutions that ...

Td

Quality Engineer I - Mainframe

Toronto, ON · Remote

CA$69K - CA$98K/yr

Mainframe testing (COBOL, DB2, IMS, CICS screens is a must) and API is good to have. * As a Test engineer for small complexity initiatives, accountable for implementing effective test strategies and ...

LearnQuest

Mainframe DevOps Expert (Remote)

Toronto, ON · Remote

We are seeking a highly skilled Mainframe DevOps Expert to join our team for an exciting short-term project. Key Responsibilities: As a Curriculum Development Specialist, your primary responsibility ...

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All JobsMainframe JobsMainframe Jobs in Ontario

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See Ontario salary details

$5

$37

$63

How much do mainframe jobs pay per hour?

As of Jul 29, 2026, the average hourly pay for mainframe in Ontario is $37.88, according to ZipRecruiter salary data. Most workers in this role earn between $26.68 and $40.14 per hour, depending on experience, location, and employer.

What is the average salary for mainframe jobs?

The average salary for mainframe professionals typically ranges from $70,000 to $120,000 annually, depending on experience, location, and certifications. Senior roles or specialized skills in mainframe environments, such as COBOL or JCL, can command higher salaries. Many positions also offer benefits like retirement plans and training opportunities.

What jobs in the US pay 300,000 a year?

Mainframe professionals such as senior systems architects, lead developers, and IT managers with extensive experience and specialized skills can earn $300,000 or more annually. These roles often require expertise in mainframe technologies like COBOL, JCL, and mainframe security, along with certifications and leadership responsibilities.

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

To excel as a Mainframe Developer, a strong background in COBOL, JCL, mainframe operating systems (like z/OS), and database management is essential, often supported by a degree in computer science or a related field. Familiarity with tools such as IBM DB2, CICS, VSAM, and mainframe version control systems is typically required, and certifications like IBM Certified System Programmer can be advantageous. Analytical thinking, problem-solving abilities, and effective communication are important soft skills for identifying issues and collaborating with cross-functional teams. These skills ensure reliable maintenance, development, and modernization of mission-critical legacy systems that support large-scale business operations.

Is mainframe a good career option?

Mainframe careers involve working with large-scale computer systems used by many organizations for critical applications. The role typically requires knowledge of programming languages like COBOL, system administration, and understanding of legacy systems, with steady demand in finance, government, and large enterprises. It can be a stable career with opportunities for specialization and certification but may require ongoing learning of evolving technologies.

What Is a Mainframe Application Developer Job Description?

The job description of a mainframe application developer is to sustain the central data processing system, or mainframe. Common duties include designing applications, analyzing data, running reports, and deploying mainframe applications. This job requires a great deal of collaboration to keep the mainframe going and a strong understanding of mainframe languages. A key part of this role is to align the design of the mainframe with changing business needs.

What are mainframes and what do they do?

Mainframes are powerful computers used mainly by large organizations for critical applications, bulk data processing, large-scale transaction processing, and enterprise resource planning. They are known for their reliability, scalability, and security, making them essential for industries like banking, healthcare, and government. Mainframes can handle thousands of users and transactions simultaneously, supporting the core operations of many businesses.

What are some typical challenges faced by mainframe professionals when integrating legacy systems with modern technologies?

Mainframe professionals often encounter challenges when integrating legacy systems with newer technologies, such as ensuring data compatibility, managing security protocols, and minimizing downtime during migration. These tasks require a deep understanding of both the existing mainframe architecture and the modern platforms being introduced. Collaboration with cross-functional teams—including application developers, security specialists, and project managers—is essential to ensure seamless integration and to address potential issues proactively. Staying updated on the latest integration tools and best practices also helps in overcoming these challenges efficiently.

Can AI replace mainframe?

Mainframe professionals work with large-scale, mission-critical systems that require specialized skills in legacy technologies, security, and data management. While AI can automate certain tasks like data analysis and system monitoring, it is unlikely to fully replace mainframe roles due to the complexity and reliability requirements of mainframe environments. Instead, AI tools are often integrated to enhance efficiency and support mainframe operations.

What is the difference between Mainframe vs Mainframe Developer?

AspectMainframeMainframe Developer
Primary RoleMaintains and manages mainframe hardware and systemsDesigns, develops, and tests mainframe applications
Skills & CertificationsKnowledge of mainframe hardware, OS, and basic scriptingProficiency in COBOL, JCL, and mainframe programming languages
Work EnvironmentData centers, enterprise IT departmentsDevelopment teams within mainframe environments
Industry UsageUsed by organizations with legacy systemsDevelops and maintains those legacy systems

While Mainframe professionals focus on maintaining the hardware and system infrastructure, Mainframe Developers specialize in creating and updating mainframe applications. Both roles require knowledge of mainframe environments, but their responsibilities differ significantly within the same industry.

More about Mainframe jobs
What are the most commonly searched types of Mainframe jobs in Ontario? The most popular types of Mainframe jobs in Ontario are:
What are popular job titles related to Mainframe jobs in Ontario? For Mainframe jobs in Ontario, the most frequently searched job titles are:
What job categories do people searching Mainframe jobs in Ontario look for? The top searched job categories for Mainframe jobs in Ontario are:
Mainframe jobs near you
Infographic showing various Mainframe job openings in Ontario as of July 2026, with employment types broken down into 87% Full Time, 5% Part Time, and 8% Contract. Highlights an 83% Physical, 6% Hybrid, and 11% Remote job distribution, with an average salary of $78,785 per year, or $37.9 per hour.
Mainframe Expert (Remote)

Mainframe Expert (Remote)

LearnQuest

Toronto, ON • Remote

Full-time

Posted 6 days ago

Job description

File-Manager Expert

Position Overview:
We are seeking a skilled Mainframe "File-Manager" Expert to join our dynamic team and contribute to the development of a comprehensive course. The ideal candidate will have in-depth expertise in File-Manager, along with additional proficiency in File-Aid and Omegamon. If you are passionate about sharing your knowledge, possess excellent training capabilities, and have a keen interest in building educational content, we want to hear from you.
Key Responsibilities:
Utilize expert-level knowledge in File-Manager, File-Aid, and Omegamon to contribute to the development of a specialized training course.
Collaborate with the instructional design team to create engaging and effective learning materials.

Requirements:
  • Minimum of 10 years of proven expertise in File-Manager, with additional proficiency in File-Aid and Omegamon.
  • Previous experience in developing training materials and conducting training sessions.
  • Strong communication and interpersonal skills.
  • Ability to work collaboratively in a team-oriented environment.
  • Detail-oriented with a commitment to delivering high-quality educational content.

Desirable Skills:
Experience with other Mainframe related tools and technologies.

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