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Mainframes Developer Jobs in Ontario (NOW HIRING)

Mainframe Project Manager

Toronto, ON · Remote

CA$70K - CA$165K/yr

At Capgemini Engineering, the world leader in engineering services, we bring together a global team ... The ideal candidate will have deep expertise in IBM Mainframe technologies, including zOS, AS400 ...

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 ...

As a Lead DevOps Engineer, you will play a critical role in bridging the gap between development ... Lead the design and development of key features for the Helios CI/CD pipeline VM and Mainframe ...

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 ...

As a Lead DevOps Engineer, you will play a critical role in bridging the gap between development ... Lead the design and development of key features for the Helios CI/CD pipeline - VM and Mainframe ...

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 ...

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Mainframes Developer information

What does a mainframe developer do?

A mainframe developer designs, codes, tests, and maintains applications running on mainframe computers, often using languages like COBOL, PL/I, or Assembler. They work in environments that require high reliability and security, and may also handle system updates, performance tuning, and integration with other systems.

What is mainframe developer salary?

The salary for a mainframe developer typically ranges from $70,000 to $120,000 annually, depending on experience, location, and certifications. Senior roles or those with specialized skills in COBOL, JCL, or mainframe environments may earn higher compensation. Many positions also offer benefits such as health insurance and retirement plans.

Can mainframe be replaced by AI?

Mainframes are large-scale computing systems used for critical enterprise applications, and while AI can automate certain tasks and improve efficiency, it does not replace the core functions of mainframes. Mainframe developers often work with legacy systems, COBOL programming, and security protocols, which require specialized skills that are not fully replaced by AI technologies.

Is mainframe still in demand?

Mainframes remain in demand for large enterprises such as banks, insurance companies, and government agencies that rely on their reliability, security, and processing power. Mainframe developers with skills in COBOL, JCL, and mainframe environments are sought after to maintain and upgrade legacy systems, though the overall demand has decreased as organizations adopt cloud and distributed computing. Certification and experience with mainframe tools can enhance job prospects in this specialized field.

What is the difference between Mainframes Developer vs Mainframes Analyst?

AspectMainframes DeveloperMainframes Analyst
Required CredentialsTypically a degree in Computer Science or related field; certifications like IBM Certified SpecialistSimilar credentials; often holds certifications in mainframe systems and analysis
Work EnvironmentDevelops, codes, and tests mainframe applications in a software development settingAnalyzes existing mainframe systems, gathers requirements, and supports system improvements
Employer & Industry UsageUsed by banks, insurance companies, and large enterprises for application developmentEmployed in similar industries for system analysis, troubleshooting, and process optimization

While both roles require knowledge of mainframe systems and similar credentials, Mainframes Developers focus on creating and maintaining mainframe applications, whereas Mainframes Analysts analyze existing systems to improve performance and efficiency. Both roles are vital in large enterprise IT environments.

What job categories do people searching Mainframes Developer jobs in Ontario look for? The top searched job categories for Mainframes Developer jobs in Ontario are:
What cities in Ontario are hiring for Mainframes Developer jobs? Cities in Ontario with the most Mainframes Developer job openings:
Infographic showing various Mainframes Developer job openings in Ontario as of June 2026, with employment types broken down into 26% Full Time, and 74% Contract. Highlights an 94% In-person, and 6% Hybrid job distribution.
Mainframe DevOps Migration Consultant

Mainframe DevOps Migration Consultant

United Airlines

Toronto, ON • On-site, Remote

Other

Medical, Dental, Vision, Life, Retirement, PTO

Posted 15 days ago


United Airlines rating

7.8

Company rating: 7.8 out of 10

Based on 333 frontline employees who took The Breakroom Quiz

9th of 26 rated airlines


Job description

At Capgemini Engineering, the world leader in engineering services, we bring together a global team of engineers, scientists, and architects to help the world's mostinnovative companies unleash their potential. From autonomous cars to life-saving robots, our digital and software technology experts think outside the box as theyprovide unique R&D and engineering services across all industries. Join us for a career full of opportunities. Where you can make a difference. Where no two days arethe same.

Location: Remote anywhere in Canada

 

About the job you're considering:

We are seeking a skilled Software Change Management (SCM) Subject Matter Expert (SME) to support application migration projects utilizing IBM's DBB/Git/IDD Solutions. The SME will play a key role in guiding clients through the Endevor (and other SCMs) DBB/GIT/IDD conversion process, providing technical expertise, hands-on migration support, and delivery training. The ideal candidate has a strong z/OS and mainframe background, experience in application development or system programming, and proven customer interfacing and troubleshooting skills within migration environments.

Your role:

  • Lead and support Endevor (and other SCMs) DBB/GIT/IDD migration projects.
  • Perform installation, configuration, and problem determination for DBB/GIT/IDD on customer systems.
  • Analyze, convert, and validate Endevor applications.
  • Provide technical support and troubleshooting DBB/GIT/IDD related issues.
  • Conduct customer training sessions and develop presentation materials for DBB/Git/IDD and migration processes.
  • Collaborate with IBM teams and client stakeholders to ensure successful project delivery.
  • Document migration processes, best practices, and technical resolutions.

Your skills and experience:

  • Clear, concise communications Skills.
  • Strong Application Development or System Programmer background.
  • Proven installation and migration experience on IBM z/OS.
  • Excellent customer interfacing and communication skills.
  • Solid problem determination and troubleshooting ability related to IMU.
  • Proficiency in the following: Groovy Scripts writer, YAML, GIT experience, Repos, Pipeline - ability to debug what pipeline/builds failed and Branching 
  • Ability to deliver DBB/Git/IDD training, create and present technical materials using standard tools, and support clients in diagnosing and resolving conversion-related errors.
  • Preferred expertise includes a bachelor's adegree (or equivalent experience), 8+ years as a Systems Programmer or similar, and 4+ years of customer-facing consulting experience, with additional value placed on development, application lifecycle, or change management experience.
  • Strong analytical and organizational skills, hands-on experience with mainframe modernization and tools like SCM, DBB, Git, and IDD, and the ability to work independently or collaboratively within a global team

The base compensation range for this role in the posted location is: $ 62,874 - $ 147,504/ /year

Capgemini provides compensation range information in accordance with applicable national, state, provincial, and local pay transparency laws. The base compensation range listed for this position reflects the minimum and maximum target compensation Capgemini, in good faith, believes it may pay for the role at the time of this posting. This range may be subject to change as permitted by law.

The actual compensation offered to any candidate may fall outside of the posted range and will be determined based on multiple factors legally permitted in the applicable jurisdiction.

These may include, but are not limited to: Geographic location, Education and qualifications, Certifications and licenses, Relevant experience and skills, Seniority and performance, Market and business consideration, Internal pay equity.

It is not typical for candidates to be hired at or near the top of the posted compensation range.

In addition to base salary, this role may be eligible for additional compensation such as variable incentives, bonuses, or commissions, depending on the position and applicable laws.

Capgemini offers a comprehensive, non-negotiable benefits package to all regular, full-time employees. In the U.S. and Canada, available benefits are determined by local policy and eligibility and may include:

Paid time off based on employee grade (A-F), defined by policy: Vacation: 12-25 days, depending on grade, Company paid holidays, Personal Days, Sick Leave

Medical, dental, and vision coverage (or provincial healthcare coordination in Canada)

Retirement savings plans (e.g., 401(k) in the U.S., RRSP in Canada)

Life and disability insurance

Employee assistance programs

Other benefits as provided by local policy and eligibility

Important Notice: Compensation (including bonuses, commissions, or other forms of incentive pay) is not considered earned, vested, or payable until it becomes due under the terms of applicable plans or agreements and is subject to Capgemini's discretion, consistent with applicable laws. The Company reserves the right to amend or withdraw compensation programs at any time, within the limits of applicable legislation.

Disclaimers

Capgemini is an Equal Opportunity Employer encouraging inclusion in the workplace. Capgemini also participates in the Partnership Accreditation in Indigenous Relations (PAIR) program which supports meaningful engagement with Indigenous communities across Canada by promoting fairness, accessibility, inclusion and respect. We value the rich cultural heritage and contributions of Indigenous Peoples and actively work to create a welcoming and respectful environment. All qualified applicants will receive consideration for employment without regard to race, national origin, gender identity/expression, age, religion, disability, sexual orientation, genetics, veteran status, marital status or any other characteristic protected by law.

This is a general description of the Duties, Responsibilities and Qualifications required for this position. Physical, mental, sensory or environmental demands may be referenced in an attempt to communicate the manner in which this position traditionally is performed. Whenever necessary to provide individuals with disabilities an equal employment opportunity, Capgemini will consider reasonable accommodations that might involve varying job requirements and/or changing the way this job is performed, provided that such accommodation does not pose an undue hardship. Capgemini is committed to providing reasonable accommodation during our recruitment process. If you need assistance or accommodation, please reach out to your recruiting contact.

Please be aware that Capgemini may capture your image (video or screenshot) during the interview process and that image may be used for verification, including during the hiring and onboarding process.

Click the following link for more information on your rights as an Applicant in the United States. http://www.capgemini.com/resources/equal-employment-opportunity-is-the-law

Capgemini is a global business and technology transformation partner, helping organizations to accelerate their dual transition to a digital and sustainable world, while creating tangible impact for enterprises and society. It is a responsible and diverse group of 340,000 team members in more than 50 countries. With its strong over 55-year heritage, Capgemini is trusted by its clients to unlock the value of technology to address the entire breadth of their business needs. It delivers end-to-end services and solutions leveraging strengths from strategy and design to engineering, all fueled by its market leading capabilities in AI, generative AI, cloud and data, combined with its deep industry expertise and partner ecosystem.


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About United Airlines

Sourced by ZipRecruiter

United Airlines is embarking on an exciting journey to become the best airline in aviation history. Our purpose, "Connecting People, Uniting the World," extends beyond transportation, emphasizing our commitment to uplift and create opportunities in the places we serve. With a global presence and diverse workforce, we value inclusivity and are dedicated to hiring tens of thousands of individuals across various roles. Our comprehensive benefits package, including perks like space available travel, parental leave, and 401k, aims to support your well-being and growth.

Industry

Aviation

Company size

10,000+ Employees

Headquarters location

Chicago, IL, US

Year founded

1926

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