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Mainframe System Programmer Jobs in Ontario (NOW HIRING)

Tekgence Inc

Mainframe Developer

Toronto, ON · On-site

Experience on Soap UI Nice-to-have Experience on MQ| WAS| SPUFI| XPEDITER| REXXCLIST| DevOps| On ... Mainframe DB2 - Application Development ~System Z - IMS/DC

United Airlines

Mainframe Developer

Toronto, ON · On-site

... systems for performance and efficiency Providing support for testing efforts, including defect ... and how mainframe applications support those needs Good Knowledge in Card Domain (Issuing end ...

Scotiabank

Mainframe Developer

Toronto, ON · On-site

You will provide system analysis, design / programming, technical documentation, and support for ... Comprehensive experience in mainframe development complex programs using Cobol, JCL, IMS DB, DB2 ...

CIBC US

z/OS Systems Analyst

Toronto, ON · Hybrid

This role works closely with : mainframe engineering teams, application operations and application ... Keen interest in learning z/OS system internals (WLM, Coupling Facility & Parallel Sysplex and ...

CIBC US

Mainframe Developer

Toronto, ON · Hybrid

As a Mainframe Developer, you'll lead the planning, technical design, and development of complex ... Systems Integration and Implementation - Participate in and conduct technical design, development ...

CIBC

Mainframe Developer

Toronto, ON · Hybrid

As a Mainframe Developer, you'll lead the planning, technical design, and development of complex ... Systems Integration and Implementation - Participate in and conduct technical design, development ...

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All JobsMainframe System Programmer JobsMainframe System Programmer Jobs in Ontario

Mainframe System Programmer information

See Ontario salary details

$40

$55

$64

How much do mainframe system programmer jobs pay per hour?

As of Jul 1, 2026, the average hourly pay for mainframe system programmer in Ontario is $55.25, according to ZipRecruiter salary data. Most workers in this role earn between $51.68 and $59.86 per hour, depending on experience, location, and employer.

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

To thrive as a Mainframe System Programmer, you need deep knowledge of mainframe operating systems (such as z/OS), programming languages like COBOL or Assembler, and a degree in computer science or a related field. Familiarity with mainframe tools (e.g., IBM ISPF, JCL, SMP/E) and certifications such as IBM Certified System Programmer are typically required. Analytical thinking, problem-solving, and effective communication are crucial soft skills for diagnosing issues and collaborating with IT teams. These skills are vital to ensure the stability, security, and efficiency of critical enterprise computing environments.

What are some common challenges Mainframe System Programmers face when supporting legacy systems?

Mainframe System Programmers often encounter challenges such as integrating modern applications with legacy mainframe environments, ensuring system security while maintaining uptime, and troubleshooting complex issues that span both old and new technologies. They may also face difficulties due to limited documentation or retiring expertise as experienced colleagues leave the workforce. Staying current with evolving mainframe tools and best practices helps address these challenges and keeps systems running smoothly.

Are mainframe jobs in demand?

Mainframe system programmer roles are in steady demand due to the continued reliance of large organizations on mainframe systems for critical operations. These jobs require expertise in COBOL, JCL, and mainframe environments, and professionals with skills in modernization and automation are increasingly sought after. The demand remains stable as many enterprises maintain legacy systems alongside newer technologies.

Is mainframe difficult to learn?

Mainframe system programming can be complex due to its specialized environment, programming languages like COBOL and Assembler, and unique operational procedures. However, with proper training and experience, it is learnable, especially for those with a background in computer science or IT. Consistent practice and understanding of mainframe tools and concepts are essential for proficiency.

What is the difference between Mainframe System Programmer vs Mainframe Application Developer?

AspectMainframe System ProgrammerMainframe Application Developer
Required CredentialsCertifications in mainframe systems, such as IBM Certified System ProgrammerProgramming certifications, often in COBOL, Java, or other languages
Work EnvironmentOperate primarily on mainframe hardware, focus on system setup and maintenanceDevelop and modify applications running on mainframes
Employer & Industry UsageUsed by organizations with large-scale legacy systems, banking, insuranceDevelops business applications for mainframe environments in similar industries

While both roles work within mainframe environments, Mainframe System Programmers focus on system setup, maintenance, and optimization, whereas Mainframe Application Developers concentrate on creating and updating applications that run on mainframes. Understanding these differences helps in choosing the right career path or job search focus.

What are mainframe system programmers?

Mainframe system programmers are IT professionals who specialize in installing, configuring, maintaining, and optimizing mainframe computer systems. They are responsible for the underlying software infrastructure, such as operating systems (like IBM z/OS), network configurations, and middleware. Their work ensures that mainframe environments run efficiently, securely, and with minimal downtime, supporting critical applications for large organizations. System programmers also troubleshoot complex issues and implement updates or enhancements as needed.

How much does IBM mainframe pay?

Mainframe system programmers typically earn between $70,000 and $120,000 annually, depending on experience, location, and certifications. Senior roles or those with specialized skills in IBM z/OS or related tools can earn higher salaries, especially in large enterprise environments.

What does a mainframe system programmer do?

A mainframe system programmer is responsible for installing, maintaining, and troubleshooting mainframe operating systems and related software. They configure hardware, optimize system performance, and ensure system security, often using tools like z/OS and JCL. Strong knowledge of system architecture, scripting, and problem-solving skills are essential for this role.
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Mainframe System Programmer jobs near you

Mainframe Systems Programmer (z/OS) - Public Sector

NavitasPartners

Rockland, ON • On-site

$30/hr

Other

This job post has expired today. Applications are no longer accepted.

Key responsibilities

  • Administer IBM z/OS environments.

  • Perform upgrades, maintenance, and patching.

  • Manage system performance and capacity planning.

Job description

Mainframe Systems Programmer (z/OS) - Public Sector

Location: Ottawa, ON

About the Role

We are seeking a Mainframe Systems Programmer responsible for supporting and administering enterprise IBM z/OS environments supporting critical Public Sector applications and services.

IMPORTANT NOTE - PUBLIC SECTOR EXPERIENCE REQUIRED

Candidates must have experience supporting enterprise infrastructure within Government, Healthcare, Defense, Education, Utilities, Transportation, or other Public Sector organizations.

Candidates without Public Sector experience will not be considered.

Responsibilities
  • Administer IBM z/OS environments.
  • Perform upgrades, maintenance, and patching.
  • Manage system performance and capacity planning.
  • Support disaster recovery initiatives.
  • Administer RACF security controls.
  • Troubleshoot system and infrastructure issues.
Required Qualifications
  • 7+ years of z/OS Systems Programming experience.
  • Expertise with z/OS, JES2, SMP/E, TSO/ISPF, and RACF.
  • Experience supporting mission-critical enterprise environments.
  • Strong troubleshooting and performance tuning experience.
Preferred Qualifications
  • Government Security Clearance.
  • Public Sector infrastructure experience.
  • Knowledge of ITIL processes.

For more details reach at resumes@navitassols.com

Apply