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Mainframe Consulting Jobs in Ontario (NOW HIRING)

Tata Consultancy Services

Prior experience on Mainframe testing (Batch, Online & Database) and tools like File-Aid, File ... g Tata Consultancy Services Canada Inc. is committed to meeting the accessibility needs of all ...

Posted today

BMO Capital Markets

Senior Technical Lead

Toronto, ON · On-site

Collaborate across modern and legacy technology environments, including Mainframe systems , batch ... Provide specialized consulting, technical leadership, analytical expertise, and production support ...

Maarut

CA$70 - CA$75/hr

... mainframe, micro/mini systems, etc.) and multi-tiered open-standard technologies such as JSP ... Strong consulting skills to engage with all stakeholders. * A demonstrated team player with a ...

Maarut

... desktop, mobile, mainframe, micro\/mini systems, etc.) and multi\-tiered open\-standard ... Strong consulting skills to engage with all stakeholders.\n \n * A demonstrated team player with a ...

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Mainframe Consulting information

What is mainframe consulting?

Mainframe consulting involves providing expert guidance and services related to mainframe computer systems, which are powerful machines used primarily by large organizations for critical applications and bulk data processing. Mainframe consultants help businesses optimize, modernize, or maintain their mainframe environments, ensuring they are secure, efficient, and up-to-date with current technologies. Their work may include system upgrades, migrations, performance tuning, and integrating mainframe systems with newer digital platforms.

What are the key skills and qualifications needed to thrive as a mainframe consultant, and why are they important?

To thrive as a Mainframe Consultant, you need expertise in legacy mainframe environments, programming languages like COBOL or PL/I, and a strong background in systems analysis, often with a degree in computer science or related fields. Familiarity with mainframe tools such as IBM z/OS, JCL, DB2, and knowledge of migration or modernization frameworks is typically required, along with relevant certifications. Strong problem-solving, communication, and client management skills help set top consultants apart in delivering efficient solutions. These competencies are critical for effectively maintaining, upgrading, or integrating mainframe systems that remain core to many enterprise operations.

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

Mainframe consultants often encounter challenges when bridging the gap between established legacy systems and newer digital platforms. These include ensuring data integrity during migration, maintaining system uptime, and navigating compatibility issues between old and new technologies. Collaborating closely with cross-functional teams—such as developers, business analysts, and IT security—is essential to address these challenges effectively. Staying updated on evolving integration tools and best practices is also key to delivering successful solutions for clients.

What is the difference between Mainframe Consulting vs Mainframe Developer?

AspectMainframe ConsultingMainframe Developer
Primary RoleAdvises clients on mainframe solutions, project management, and system integrationDesigns, codes, and tests mainframe applications and programs
Required SkillsKnowledge of mainframe systems, client communication, project coordinationProgramming languages like COBOL, JCL, DB2, and troubleshooting skills
Work EnvironmentConsulting firms, client sites, or remoteMainframe development teams within organizations or IT service providers
CertificationsIBM Certified Mainframe Specialist, project management certificationsIBM COBOL certifications, programming courses

While Mainframe Consulting focuses on advising and managing mainframe projects, Mainframe Developers are responsible for creating and maintaining mainframe applications. Both roles require knowledge of mainframe systems, but consulting emphasizes client interaction and project oversight, whereas development centers on coding and technical problem-solving.

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

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

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

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

What cities in Ontario are hiring for Mainframe Consulting jobs?

Cities in Ontario with the most Mainframe Consulting job openings:

Mainframe Consulting jobs near you
Infographic showing various Mainframe Consulting job openings in Ontario as of August 2026, with employment types broken down into 1% Internship, 77% Full Time, 17% Part Time, and 5% Contract. Highlights an 83% Physical, 6% Hybrid, and 11% Remote job distribution.

Sr. Mainframe MFA Consultant

Toronto, ON

WaveStrong, Inc.
IT Services • 11 - 50 employees
Learn more about WaveStrong, Inc.external

Contractor

Re-posted 21 days ago

Job description

Exciting Sr. Mainframe MFA Consultant, 6 months, contract opportunity.

Requirements

  • Identify Roles and responsibility of team
  • Understand how Entra ID is hosted and configured
  • Discover which channel can be used for MFA pushes
  • Apply required IBM ZMFA maintenance & updates as recommended by IBM
  • Configure zMFA runtime parameters
  • Integrate with Entra ID MFA enforcement points for interactive access paths, including TPX, Personal Communications (PCOMM), and web-based access tools
  • Installation and Base Configuration of zMFA components which is in-scope z/OS systems protected by RACF.
  • Define and configure required zMFA started tasks and supporting servicesIntegrate zMFA with Microsoft Entra ID MFA via RADIUS for interactive access methods
  • Configure enrollment process
  • Recovery procedure for re-registration, token issues
  • Integrate with zMFA

Apply