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Mainframe Modernization Jobs in Ontario (NOW HIRING)

Performs QE activities to support enterprise scale data transformation and modernization. Ensures ... Mainframe environment Experience with testing large data transformations and migrations at ...

Understanding of one or more computing platforms (cloud, mid-tier, mainframe), web, API and ... Experience conducting gap and impact analyses for large-scale systems or modernization programs.

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Mainframe Modernization information

Is mainframe modernization still in demand?

Mainframe modernization remains in demand as organizations seek to update legacy systems for improved efficiency, security, and integration with modern technologies. Roles in this field often require skills in COBOL, cloud platforms, and modernization tools like APIs and microservices. The demand is driven by industries such as finance, healthcare, and government that rely on mainframe systems.

What are the key skills and qualifications needed to thrive in a mainframe modernization position?

To thrive in Mainframe Modernization, you need expertise in legacy mainframe systems, programming languages like COBOL, and modern software development methodologies, often backed by a degree in computer science or a related field. Knowledge of tools such as IBM z/OS, migration frameworks, cloud platforms (like AWS, Azure), and relevant certifications (e.g., AWS Certified Solutions Architect) is highly valuable. Strong analytical thinking, problem-solving ability, and effective communication skills help you succeed in cross-functional environments. These skills are crucial for executing system upgrades, ensuring minimal downtime, and facilitating smooth transitions to modern technology platforms.

What are the typical responsibilities and daily tasks in a mainframe modernization role?

In a Mainframe Modernization role, you can expect to analyze and document legacy mainframe applications, design modernization strategies, and implement solutions that migrate or integrate these systems with newer technologies. Your days may involve collaborating with business analysts, developers, and project managers to prioritize features and minimize business disruption, as well as troubleshooting integration issues. Many professionals also monitor system performance post-migration and help train end-users on the new platforms. This position often requires balancing hands-on technical work with effective communication across diverse teams to ensure project success.

What is mainframe modernization?

A Mainframe Modernization job involves updating, reengineering, or migrating legacy mainframe applications to modern platforms, technologies, or cloud environments. Professionals in this role assess existing mainframe systems, identify optimization opportunities, and implement strategies to enhance performance, scalability, and integration with modern IT architectures. They may use approaches like rehosting, refactoring, or replacing applications to reduce costs and improve agility. The job typically requires expertise in legacy systems (e.g., COBOL, DB2) and modern cloud or microservices architectures.

What are popular job titles related to Mainframe Modernization jobs in Ontario? For Mainframe Modernization jobs in Ontario, the most frequently searched job titles are:
What job categories do people searching Mainframe Modernization jobs in Ontario look for? The top searched job categories for Mainframe Modernization jobs in Ontario are:
Infographic showing various Mainframe Modernization job openings in Ontario as of August 2026, with employment types broken down into 100% Full Time. Highlights an 100% In-person job distribution.

Full-time

PTO

Re-posted 13 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.