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Mainframe Developer Jobs in Ontario (NOW HIRING)

Td

Solutions Design IT Specialist

Toronto, ON · Remote

CA$96K - CA$136K/yr

We are seeking a SR Mainframe Developer / Solution Designer to support the design, development, modernization, and operational stability of Wealth / Investment Management applications. The role ...

Maarut

Experience with SAS Programming. \n * Ability to proactively identify CPU cost\-savings opportunities. \n * A firm understanding of IBM Mainframe CPU concepts including CBUs and CoD, and you can ...

Veriday Inc.

Lead - DevOps Engineer

Toronto, ON · Hybrid

Lead the design and development of key features for the Helios CI/CD pipeline - VM and Mainframe platforms * Consult with partner systems to develop integration strategies revolving around DevOps ...

Veriday Inc.

Lead DevOps Platform Engineer

Toronto, ON · Hybrid

Lead the design and development of key features for the Helios CI/CD pipeline - VM and Mainframe platforms * Consult with partner systems to develop integration strategies revolving around DevOps ...

Veriday Inc.

Lead DevOps Platform Engineer

Toronto, ON · On-site

Lead the design and development of key features for the Helios CI/CD pipeline VM and Mainframe platforms * Consult with partner systems to develop integration strategies revolving around DevOps best ...

Td

Quality Engineer I - Mainframe

Toronto, ON · Remote

CA$69K - CA$98K/yr

Mainframe testing (COBOL, DB2, IMS, CICS screens is a must) and API is good to have. * As a Test ... (DevOps tools and processes, source code management, Service Virtualization, monitoring tools, etc.

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Mainframe Developer information

See Ontario salary details

$29

$50

$69

How much do mainframe developer jobs pay per hour?

As of Jun 9, 2026, the average hourly pay for mainframe developer in Ontario is $50.63, according to ZipRecruiter salary data. Most workers in this role earn between $42.79 and $56.97 per hour, depending on experience, location, and employer.

What is the difference between Mainframe Developer vs Mainframe Analyst?

AspectMainframe DeveloperMainframe Analyst
Primary RoleDesigning, coding, and testing mainframe applicationsAnalyzing and maintaining existing mainframe systems
Skills & CertificationsCOBOL, JCL, DB2, certifications like IBM Certified DeveloperCOBOL, JCL, system analysis, troubleshooting skills
Work EnvironmentDevelopment teams, coding in mainframe environmentsSupport teams, system analysis, user support
Industry UsageFinancial services, insurance, government agenciesFinancial institutions, healthcare, government agencies

While Mainframe Developers focus on creating and implementing mainframe applications, Mainframe Analysts primarily analyze, troubleshoot, and maintain existing systems. Both roles require similar technical skills and often work within the same industries, but their core responsibilities differ in development versus support and analysis.

What are some common challenges Mainframe Developers face when integrating legacy systems with modern applications?

Mainframe Developers often encounter challenges such as ensuring compatibility between legacy systems and newer technologies, managing data migration without disrupting business operations, and maintaining the security of sensitive data. Effective communication with cross-functional teams, such as application developers and infrastructure engineers, is essential to address these challenges. Staying updated on both mainframe and modern programming practices helps ease integration and ensures long-term system reliability.

What are Mainframe Developers?

Mainframe Developers are specialized software engineers who design, develop, maintain, and troubleshoot applications on mainframe computer systems, such as IBM's z/OS. They typically work with languages like COBOL, JCL, and CICS, and are responsible for ensuring the performance, security, and reliability of mission-critical business applications. Mainframe Developers are commonly employed in industries like banking, insurance, and government, where large-scale, high-volume transaction processing is essential.

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

To thrive as a Mainframe Developer, you need expertise in programming languages such as COBOL, JCL, and SQL, along with a strong understanding of mainframe operating systems and batch processing concepts. Familiarity with tools like IBM z/OS, DB2, CICS, and version control systems is typically required, and certifications from IBM or related organizations can be beneficial. Strong problem-solving abilities, attention to detail, and effective communication skills help Mainframe Developers excel in troubleshooting and collaborating with cross-functional teams. These skills are crucial for maintaining, optimizing, and modernizing legacy systems that are vital to many large organizations’ operations.
What are the most commonly searched types of Mainframe Developer jobs in Ontario? The most popular types of Mainframe Developer jobs in Ontario are:
What are popular job titles related to Mainframe Developer jobs in Ontario? For Mainframe Developer jobs in Ontario, the most frequently searched job titles are:
What job categories do people searching Mainframe Developer jobs in Ontario look for? The top searched job categories for Mainframe Developer jobs in Ontario are:
What cities in Ontario are hiring for Mainframe Developer jobs? Cities in Ontario with the most Mainframe Developer job openings:
What are popular job titles related to Mainframe Developer jobs in ON? For Mainframe Developer jobs in ON, the most frequently searched job titles are:
Mainframe Developer jobs near you
Infographic showing various Mainframe Developer job openings in Ontario as of June 2026, with employment types broken down into 100% Contract. Highlights an 100% In-person job distribution, with an average salary of $105,312 per year, or $50.6 per hour.
Mainframe z/OS System Administrator/Programmer

Mainframe z/OS System Administrator/Programmer

DXC Technology

Toronto, ON

Full-time

Posted 28 days ago

DXC Technology rating

7.7

Company rating: 7.7 out of 10

Based on 45 frontline employees who took The Breakroom Quiz

80th of 203 rated it services

Job description

Job Description:

DXC Technology (NYSE: DXC) is a leading enterprise technology and innovation partner delivering software, services, and solutions to global enterprises and public sector organizations - helping them harness AI to drive outcomes at a time of exponential change with speed. With deep expertise in Managed Infrastructure Services, Application Modernization, and Industry-Specific Software Solutions, DXC modernizes, secures, and operates some of the world's most complex technology estates. Learn more on dxc.com.

Mainframe z/OS System Administrator/Programmer

We are seeking an experienced Mainframe z/OS System Administrator/Programmer to support enterprise z/OS environments, including system builds, software installation, upgrades, migrations, and disaster recovery activities.

Key Responsibilities

  • Install and maintain z/OS (MVS) software using SMP/E
  • Perform software packaging, zaps, PTFs, HIPERs, and product upgrades
  • Support Maintenance IPLs, system refreshes, migrations, and CPU swaps
  • Execute LPAR builds, decommissions, and zLinux LPAR creation
  • Perform Disaster Recovery drills and system recovery activities
  • Maintain Coupling Facility / Sysplex, IOGENs, and I/O configurations
  • Manage OMVS / USS / zFS, web server and HTTP activities
  • Update and reassemble system exits
  • Process SMF data and maintain system profiles
  • Apply software license keys and maintain asset records
  • Participate in audits, vulnerability remediation, and change management
  • Provide 24x7 oncall support as part of a rotation

Required Skills

  • Strong experience with z/OS System Programming
  • Expertise with SMP/E, software installation, and maintenance
  • Experience with DR, IPLs, migrations, and hardware refreshes
  • Knowledge of Sysplex, Coupling Facility, IOGENs
  • Familiarity with OMVS / USS / zLinux
  • ITIL processes: Incident, Problem, Change, Asset Management
  • REXX, Assembler, and ISPF dialog scripting experience

Nice to Have

  • zLinux SME experience
  • Large enterprise or regulated environment background

DXC is an equal opportunity employer. We welcome the many dimensions of diversity. Accommodation of special needs for qualified candidates may be considered within the framework of the DXC Accommodation Policy.

In addition, DXC Technology is committed to working with and providing reasonable accommodation to qualified individuals with physical and mental disabilities. If you need assistance in filling out the employment application or require a reasonable accommodation while seeking employment, please e-mail AODA Canada Requests.

Note: This option is reserved for applicants needing a reasonable accommodation related to a disability.

At DXC Technology, we believe strong connections and community are key to our success. Our work model prioritizes in-person collaboration while offering flexibility to support wellbeing, productivity, individual work styles, and life circumstances. We're committed to fostering an inclusive environment where everyone can thrive.

Recruitment fraud is a scheme in which fictitious job opportunities are offered to job seekers typically through online services, such as false websites, or through unsolicited emails claiming to be from the company. These emails may request recipients to provide personal information or to make payments as part of their illegitimate recruiting process. DXC does not make offers of employment via social media networks and DXC never asks for any money or payments from applicants at any point in the recruitment process, nor ask a job seeker to purchase IT or other equipment on our behalf.More information on employment scams is availablehere.

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