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Senior Mainframe Software Engineer Jobs in Toronto, ON

Scotiabank

Mainframe Developer

Toronto, ON

To support the vision, we are seeking a Software Engineer who will play an important part in the ... Comprehensive experience in mainframe development complex programs using Cobol, JCL, IMS DB, DB2 ...

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 ...

Ritchie Bros.

Senior Software Engineer

Mississauga, ON · On-site

We are looking for an enthusiastic and motivated Senior Software Engineer to join our marketplace teams. This is an excellent opportunity for someone early in their career who is eager to learn and ...

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Senior Mainframe Software Engineer information

What are the key skills and qualifications needed to thrive as a senior mainframe software engineer?

To thrive as a Senior Mainframe Software Engineer, you need deep expertise in COBOL, JCL, DB2, and mainframe architecture, often backed by a degree in computer science or related fields and several years of relevant experience. Familiarity with tools like IBM z/OS, CICS, RACF, and version control systems is typically required, along with certifications like IBM Certified System Programmer as a plus. Strong analytical thinking, problem-solving ability, and effective communication are crucial soft skills for leading projects and collaborating with cross-functional teams. These skills ensure reliable, secure, and efficient operation of critical legacy systems that are foundational to many large organizations.

What is a senior mainframe software engineer?

Senior Mainframe Software Engineers are experienced professionals who design, develop, maintain, and optimize software applications running on mainframe computer systems. They typically work with legacy programming languages such as COBOL, PL/I, or Assembler, and are responsible for ensuring the reliability, scalability, and security of critical business applications. Their role often includes troubleshooting complex issues, integrating new technologies with existing systems, and mentoring junior engineers. These specialists are essential for organizations that rely on mainframes for large-scale data processing and transaction management.

What are some common challenges faced by senior mainframe software engineers when integrating legacy systems with modern technologies?

Senior Mainframe Software Engineers often encounter challenges when bridging legacy mainframe systems with newer technologies, such as ensuring compatibility, maintaining data integrity, and managing security risks. These integrations typically require a deep understanding of both the existing mainframe environment and the modern platforms being adopted. Collaboration with cross-functional teams, including application developers, architects, and business analysts, is essential to design effective solutions and minimize disruptions. Staying current with industry best practices and emerging tools can help address these challenges and ensure a smooth transition.

Are senior mainframe software engineers in demand?

Senior mainframe software engineers are in steady demand due to the continued reliance of many large organizations on mainframe systems for critical operations. Skills in COBOL, JCL, and mainframe modernization tools increase employability, especially in finance, government, and healthcare sectors where legacy systems remain essential.

What is the difference between Senior Mainframe Software Engineer vs Mainframe Developer?

AspectSenior Mainframe Software EngineerMainframe Developer
CredentialsBachelor's in Computer Science or related, often with certifications like IBM Certified SpecialistSimilar educational background, often with certifications in mainframe technologies
Work EnvironmentLarge enterprise IT departments, financial institutions, government agenciesSame as Senior Mainframe Software Engineer, often within similar industries
ResponsibilitiesDesign, develop, and oversee mainframe applications; lead projects; troubleshoot complex issuesDevelop and maintain mainframe applications; focus on coding and debugging

While both roles involve mainframe technologies and similar credentials, Senior Mainframe Software Engineers typically have more leadership responsibilities and oversee projects, whereas Mainframe Developers focus primarily on coding and application maintenance.

What are popular job titles related to Senior Mainframe Software Engineer jobs in Toronto, ON? For Senior Mainframe Software Engineer jobs in Toronto, ON, the most frequently searched job titles are:
What job categories do people searching Senior Mainframe Software Engineer jobs in Toronto, ON look for? The top searched job categories for Senior Mainframe Software Engineer jobs in Toronto, ON are:
Senior Mainframe Software Engineer jobs near you

Senior Mainframe Developer - Application Design - Hybrid

Tech Talent International

Toronto, ON • Hybrid

CA$50/hr

Full-time

Posted 5 days ago

Job description

Tech Talent International (TTI) supplies technical talent to a variety of clients ranging from Fortune 100/500/1000 companies to startups, small and mid-sized organizations in Canada/US. We are currently hiring a Senior Mainframe Developer - Application Design - Hybrid for our consulting client in the Toronto area.

Role: Senior Mainframe Developer - Application Design - Hybrid

Type: Contract

Rate Range: $50/hr C2C (40 hrs /week)

Duration: 8 months + potential extensions

Location: Hybrid (2 onsite/3 days from home) downtown Toronto, ON, Canada

Mainframe Senior Developer
Skills Required: 

Mainframe DB2 

Application Development~System I 

COBOL400~IT IS_AMS_Mainframe_DB2 Administration
Experience Required: 6-8 Years
Qualifications :
Experience in Mainframe lead Developer
Should have coding experience in CICS,COBOL, DB2, JCL.
Experience with application design, development and deployment
Skills and Responsibilities:
Design, develop and maintain Mainframe COBOL & JCL to meet support and/or project requirements.
Interface with business and IT teams to understand business requirements and translate business requirements into formal technical requirements and application code.
Develop and execute unit test and integration plans/scripts to validate that application changes meet technical specifications.
Responsible for full System Development Life Cycle Participate in production support Provide Solution Delivery Methodology artifacts associated with application components.
Participate in technical reviews at appropriate stages of development.