1

Mainframe System Programmer Jobs in Ontario (NOW HIRING)

... systems, preferably in Mainframe environment Experience with testing large data transformations and migrations at enterprise scale Excellent communication skills with ability to influence decision ...

Implement security patches, upgrades, system maintenance, cleanup activities, and server ... Active Directory, Azure Active Directory / Entra ID, Windows, Unix/Linux, Databases, Mainframe ...

... systems testing process and provide suggestions that will ensure client needs are met with the ... Strong Mainframe and/or Hyperion Essbase (Cubes) knowledge and testing experience. Strong MS Excel ...

New

... systems testing process and provide suggestions that will ensure client needs are met with the ... Strong Mainframe and/or Hyperion Essbase (Cubes) knowledge and testing experience. Strong MS Excel ...

New

... mainframe, transactional systems) and modern technologies (microservices, REST APIs, cloud ... engineers, QE and other relevant stakeholders with ownership mindset driving delivery forward ...

Manager II, Business Analysis

Toronto, ON · On-site

CA$96K - CA$136K/yr

... into scalable, independent services, "Mainframe Monoliths" to microservices * Backlog ... Resilience and scalability - define requirements for high-availability systems capable of ...

Showing results 41-56

Mainframe System Programmer information

See Ontario salary details

$40

$55

$64

How much do mainframe system programmer jobs pay per hour?

As of Aug 22, 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 is a mainframe system programmer?

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.

What are the key skills and qualifications needed to thrive as a mainframe system programmer?

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.

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.

Is a mainframe system programmer a good career?

A mainframe system programmer is a specialized IT professional responsible for maintaining and optimizing mainframe computer systems, often requiring knowledge of languages like COBOL and tools such as z/OS. The role offers stable employment opportunities, competitive salaries, and demand in industries like finance and government, but it may require ongoing training to keep up with evolving technology. Overall, it can be a good career for those interested in enterprise computing and system management.

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

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

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

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

Infographic showing various Mainframe System Programmer job openings in Ontario as of August 2026, with employment types broken down into 1% As Needed, 77% Full Time, 20% Part Time, and 2% Contract. Highlights an 91% Physical, 3% Hybrid, and 6% Remote job distribution, with an average salary of $114,919 per year, or $55.2 per hour.

Full-time

PTO

Re-posted 25 days ago


Job description

Requisition ID: 252315 
Join a purpose driven winning team, committed to results, in an inclusive and high-performing culture.

Contributes to the overall success of Client Management & Engagement Engineering ensuring specific individual goals, plans, initiatives are executed / delivered in support of the team's business strategies and objectives.  Performs QE activities to support enterprise scale data transformation and modernization. Ensures all activities conducted are in compliance with governing regulations, internal policies and procedures.

Is this role right for you? In this role, you will:

   Be an advocate for quality in the project lifecycle.

   Write moderate to complex code/ scripts to test systems.  

   Design, develop and maintain a modular, extensible, and reusable test automation framework to enable continuous testing in an agile environment. 

   Accelerate adoption of testing automation framework by demonstrating stakeholder value.  

   Work closely with the Delivery Lead to provide testing and project status updates, escalating issues as needed. 

   Develop coding standards and testing approaches, enhance existing testing framework, and research/ implement new testing methodologies to best complement tech stack for the team.

   Work closely with Delivery Lead, Product Owner/BSA to determine near-term and future plans for the team.

   Collaborate with Delivery Lead to plan milestones, successfully execute software delivery, and escalate issues as needed.

   Prioritize testing of projects effectively across various businesses, to drive efficient work.

   Conduct root cause analysis of post-production issues and plan to prevent them in future.

   Provide coaching and mentoring to team members and provide employee feedback regarding performance and future development to Team Lead, Software Testing.

   Facilitate communication, coordinate, and motivate team to achieve shared goals.

   Have in-depth and up-to-date understanding of the organization's products, applications, systems, environments, processes and tools.

   Introduce and influence overall process improvements and act as an agent for change to the organization.

   Champion a customer focused culture to deepen client relationships and leverage broader Bank relationships, systems and knowledge.

   Understand how the Bank's risk appetite and risk culture should be considered in day-to-day activities and decisions.

   Actively pursue effective and efficient operations of his/her respective areas in accordance with Scotiabank's Values, its Code of Conduct and the Global Sales Principles, while ensuring the adequacy, adherence to and effectiveness of day-to-day business controls to meet obligations with respect to operational, compliance, AML/ATF/sanctions and conduct risk. 

   Champion a high-performance environment and contribute to an inclusive work environment. 

Do you have the skills that will enable you to succeed in this role? We'd love to work with you if you have:

   Bachelor's degree in a technical field such as computer science, computer engineering or related field preferred 
   7+ years of Quality Engineering experience and in-depth knowledge of programming languages (Python, Javascript, Java), testing frameworks, and utilities 
   Experience with API testing
   Experience with Customer data and Customer systems, preferably in Mainframe environment
   Experience with testing large data transformations and migrations at enterprise scale
   Excellent communication skills with ability to influence decision making across stakeholders
   Demonstrated ability to lead team members with differing opinions and levels of experience
   Project management skills to map and execute short-term and long-term plans for the team
   Effective organization, planning, and time management skills
   Strong analytical and problem-solving skills
   Able to work as part of a team and encourage both individual and collaborative innovation
   Positive and resilient personality - Able to embrace feedback and have a desire for continuous iteration and improvement

What's in it for you?
Diversity, Equity, Inclusion & Allyship - We strive to create an inclusive culture where every employee is empowered to reach their fullest potential, respected for who they are, and are embraced through bias-free practices and inclusive values across Scotiabank. We embrace diversity and provide opportunities for all employee to learn, grow & participate through our various Employee Resource Groups (ERGs) that span across diverse gender identities, ethnicity, race, age, ability & veterans.
   Accessibility and Workplace Accommodations - We value the unique skills and experiences each individual brings to the Bank and are committed to creating and maintaining an inclusive and accessible environment for everyone. Scotiabank continues to locate, remove, and prevent barriers so that we can build a diverse and inclusive environment while meeting accessibility requirements. 
   Upskilling through online courses, cross-functional development opportunities, and tuition assistance. 
   Competitive Rewards program including bonus, flexible vacation, personal, sick days, and benefits will start on day one.
   Community Engagement - no matter where you choose to work from; we offer opportunities for community engagement & belonging with our various programs.

Location(s):  Canada : Ontario : Toronto 
Scotiabank is a leading bank in the Americas. Guided by our purpose: "for every future", we help our customers, their families and their communities achieve success through a broad range of advice, products and services, including personal and commercial banking, wealth management and private banking, corporate and investment banking, and capital markets.  
At Scotiabank, we value the unique skills and experiences each individual brings to the Bank, and are committed to creating and maintaining an inclusive and accessible environment for everyone. If you require accommodation (including, but not limited to, an accessible interview site, alternate format documents, ASL Interpreter, or Assistive Technology) during the recruitment and selection process, please let our  Recruitment team know. If you require technical assistance, please click here. Candidates must apply directly online to be considered for this role. We thank all applicants for their interest in a career at Scotiabank; however, only those candidates who are selected for an interview will be contacted.