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Mainframe Technology Jobs in Ontario (NOW HIRING)

Pacer Group

Mainframe Tester

Toronto, ON · Hybrid

Strong hands-on experience with IBM Mainframe technologies including COBOL, JCL, DB2, CICS, VSAM, and SQL. * Experience validating REST API integrations with Mainframe applications. * Proficiency in ...

Td

Mainframe Developer

Toronto, ON · On-site

CA$81K - CA$115K/yr

Technology Solutions Pay Details: $81,600 - $115,200 CAD TD is committed to providing fair and ... The Senior Mainframe Developer is responsible for the design, development, modernization, and ...

New

Td

Mainframe Software Engineer II

Toronto, ON · On-site

CA$81K - CA$115K/yr

Technology Solutions Pay Details: $81,600 - $115,200 CAD TD is committed to providing fair and ... Strong knowledge of the relevant business domain, engineering frameworks, mainframe platforms ...

Td

Software Engineer II (Mainframe)

Toronto, ON · On-site

CA$81K - CA$115K/yr

Technology Solutions Pay Details: $81,600 - $115,200 CAD TD is committed to providing fair and ... Strong engineering background delivering enterprise applications, including mainframe solutions ...

Td

Senior Software Engineer (Mainframe)

Toronto, ON · On-site

CA$81K - CA$115K/yr

Technology Solutions Pay Details: $81,600 - $115,200 CAD TD is committed to providing fair and ... Develop program specifications; design, code, integrate, test, debug, and implement mainframe ...

Td

Senior Software Engineer (Mainframe)

London, ON · On-site

CA$81K - CA$115K/yr

Technology Solutions Pay Details: $81,600 - $115,200 CAD TD is committed to providing fair and ... Develop program specifications; design, code, integrate, test, debug, and implement mainframe ...

United Airlines

Mainframe Developer

Toronto, ON · On-site

Join us and help the world's leading organizationsunlock the value of technology and build a more ... The core application is a large, sophisticated mainframe-based system which connects clients to ...

CIBC

Mainframe Developer

Toronto, ON · Hybrid

As a Mainframe Developer, you'll lead the planning, technical design, and development of complex ... Your expertise will drive seamless integration of applications, align technology initiatives with ...

New

Td

Associate Software Engineer - Mainframe

Toronto, ON · On-site

CA$59K - CA$84K/yr

Technology Solutions Pay Details: $59,500 - $84,000 CAD TD is committed to providing fair and ... Requires IBM Mainframe applications systems knowledge and business knowledge. * Responsible for ...

Td

Quality Engineer I - Mainframe

Toronto, ON · Remote

CA$69K - CA$98K/yr

Technology Solutions Pay Details: $69,700 - $98,400 CAD TD is committed to providing fair and ... Mainframe testing (COBOL, DB2, IMS, CICS screens is a must) and API is good to have. * As a Test ...

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All JobsMainframe Technology JobsMainframe Technology Jobs in Ontario

Mainframe Technology information

See Ontario salary details

$11

$46

$75

How much do mainframe technology jobs pay per hour?

As of Sep 5, 2026, the average hourly pay for mainframe technology in Ontario is $46.65, according to ZipRecruiter salary data. Most workers in this role earn between $37.74 and $59.86 per hour, depending on experience, location, and employer.

What is mainframe technology?

Mainframe technology refers to the use of powerful computers, known as mainframes, which are designed to handle large-scale data processing and support thousands of users simultaneously. Mainframes are commonly used by businesses and organizations for critical applications such as bulk data processing, transaction processing, and enterprise resource planning. They are known for their reliability, security, and ability to process vast amounts of data quickly. Mainframes remain essential in industries like banking, insurance, healthcare, and government due to their robustness and scalability.

What are the key skills and qualifications needed to thrive as a mainframe technology specialist?

To thrive as a Mainframe Technology Specialist, you need a solid understanding of mainframe systems, programming languages like COBOL or Assembler, and often a degree in computer science or a related field. Familiarity with z/OS, JCL, DB2, CICS, and mainframe monitoring tools is typically required, along with relevant certifications such as IBM Certified System Programmer. Strong analytical thinking, attention to detail, and effective communication skills help professionals troubleshoot complex issues and collaborate with cross-functional teams. These skills ensure reliable operation, efficient problem-solving, and the successful management of critical enterprise computing environments.

What opportunities for career growth exist in mainframe technology roles?

Mainframe Technology professionals have diverse advancement opportunities, ranging from senior system programmer and database administrator positions to roles in systems architecture and IT management. Many organizations offer structured training and certification programs to help you specialize in areas such as performance tuning, security, or modernization projects. As you gain experience, you may also transition into project leadership or consulting roles, often collaborating closely with cross-functional teams to drive mission-critical business operations. The demand for mainframe expertise remains strong, especially in industries like banking, insurance, and government, which rely on these systems for high-volume transactions.

What is the difference between Mainframe Technology vs Mainframe Developer?

AspectMainframe TechnologyMainframe Developer
Primary FocusDesign, implementation, and maintenance of mainframe systems and infrastructureWriting, testing, and debugging mainframe applications and programs
Required SkillsKnowledge of mainframe hardware, operating systems (z/OS), and system administrationProficiency in COBOL, JCL, and mainframe programming languages
Work EnvironmentData centers, enterprise IT departments, mainframe roomsDevelopment labs, enterprise IT teams, mainframe environments
CertificationsIBM Certified System Administrator, z/OS certificationsIBM COBOL certifications, programming certifications

While Mainframe Technology involves managing and maintaining the overall mainframe systems, Mainframe Developers focus on creating and modifying applications running on these systems. Both roles require knowledge of mainframe environments and often work together within enterprise IT teams to ensure reliable and efficient mainframe operations.

Is mainframe technology a good career option?

Mainframe technology is a stable and in-demand career path, especially in industries like finance, healthcare, and government that rely on large-scale data processing. Professionals in this field typically need skills in COBOL, JCL, and mainframe operating systems, with certifications enhancing job prospects. The role often offers competitive salaries and opportunities for advancement due to the specialized nature of mainframe systems.

Is mainframe technology still in demand?

Mainframe technology remains in demand for industries such as finance, healthcare, and government, where large-scale transaction processing and data security are critical. Mainframe skills, including knowledge of COBOL, JCL, and system administration, are valuable for maintaining legacy systems and ensuring operational stability.

What are jobs in mainframe technology?

Jobs in mainframe technology include roles such as mainframe developers, system programmers, and operators who maintain and develop applications on mainframe systems like IBM z/OS. These positions often require knowledge of COBOL, JCL, and mainframe hardware, with certifications and experience in legacy system management being valuable. Mainframe professionals ensure the reliability, security, and performance of large-scale enterprise computing environments.

What are popular job titles related to Mainframe Technology jobs in Ontario?

For Mainframe Technology jobs in Ontario, the most frequently searched job titles are:

What job categories do people searching Mainframe Technology jobs in Ontario look for?

The top searched job categories for Mainframe Technology jobs in Ontario are:

What cities in Ontario are hiring for Mainframe Technology jobs?

Cities in Ontario with the most Mainframe Technology job openings:

Mainframe Technology jobs near you
Infographic showing various Mainframe Technology job openings in Ontario as of August 2026, with employment types broken down into 1% As Needed, 74% Full Time, 22% Part Time, and 3% Contract. Highlights an 84% Physical, 3% Hybrid, and 13% Remote job distribution, with an average salary of $97,033 per year, or $46.7 per hour.

Mainframe Tester

Pacer Group

Toronto, ON • Hybrid

Full-time

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

Job description

Job Title: Mainframe Tester

Location: Toronto, ON

Work Arrangement: Hybrid-4 Days onsite

Employment Type: Contract

Duration: 12 Months

Domain: BFSI

Pay Rate: CAD 40-45 /hour Incorporated

Application Deadline: Sep 30th, 2026


SKILLS REQUIRED


  • 4+ years of experience in Mainframe Testing, including functional, integration, system, and regression testing.
  • Strong hands-on experience with IBM Mainframe technologies including COBOL, JCL, DB2, CICS, VSAM, and SQL.
  • Experience validating REST API integrations with Mainframe applications.
  • Proficiency in writing and executing SQL queries for backend data validation and DB2 database testing.
  • Hands-on experience with Endevor for source code/version control and release management.
  • Experience using File-AID/File Manager for test data creation, validation, and analysis.
  • Strong knowledge of CA-7 for batch job scheduling, execution, and validation of batch processes.
  • Experience in test case design, defect tracking, test execution, and root cause analysis.
  • Familiarity with Agile/Scrum, SDLC, and defect management tools such as Jira or ALM.


EEOC Compliance:

We are an equal opportunity employer, and all qualified applicants will receive consideration for employment.


DISCLAIMER

AI Usage Policy: Pacer Group uses AI to assist in screening applications. Final hiring decisions are made by human recruiters based on qualifications and experience.

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