1

Mainframes Developer Jobs in Quebec (NOW HIRING)

Certificat d'administrateur de securite RACF IBM Certificat professionnel IBM z/OS Mainframe Practitioner IBM Certified System Administrator ou System Programmer Certification IBM WatsonX.ai ...

Azure DevOps, .NET 8, Git, SQL Server, MongoDB, BizTalk, Kafka, Docker, Kubernetes, and Mainframe environments. Intermediate level of proficiency in English, as the incumbent will be required, on a ...

Azure DevOps, .NET 8, Git, SQL Server, MongoDB, BizTalk, Kafka, Docker, Kubernetes, and Mainframe environments. Intermediate level of proficiency in English, as the incumbent will be required, on a ...

Salary: NOUS VOUS OFFRONS: * Poste permanent * Environ 40 heures par semaine (possibilit de temps supplmentaire) * Horaire du lundi au vendredi (6h-14h30) * Place de stationnement et arrt d'autobus ...

next page

Showing results 1-20

Mainframes Developer information

What does a Mainframes Developer do?

A Mainframes Developer designs, codes, tests, and maintains applications running on mainframe systems, primarily using languages like COBOL, PL/I, or Assembler. They ensure the stability, security, and efficiency of legacy systems, often working with tools such as JCL and DB2, and may collaborate with system administrators and analysts to support business operations.

Is a mainframes developer a good career?

A mainframes developer is a specialized IT professional who maintains and develops applications on mainframe systems, which are used by large organizations for critical data processing. The role offers stable employment, competitive salaries, and opportunities to work with legacy systems and mainframe programming languages like COBOL. However, it requires specific skills and certifications, and the field may have limited growth compared to emerging technologies.

Is a mainframes developer still in demand?

Mainframes developers are still in demand in industries such as finance, government, and healthcare that rely on legacy systems. They typically work with COBOL, JCL, and mainframe environments, and demand persists due to the continued use of mainframe technology for critical applications. However, the number of new positions is gradually decreasing as organizations modernize their IT infrastructure.

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 are popular job titles related to Mainframes Developer jobs in Quebec? For Mainframes Developer jobs in Quebec, the most frequently searched job titles are:
What job categories do people searching Mainframes Developer jobs in Quebec look for? The top searched job categories for Mainframes Developer jobs in Quebec are:
Infographic showing various Mainframes Developer job openings in Quebec as of August 2026, with employment types broken down into 81% Full Time, 4% Part Time, 1% Temporary, and 14% Contract. Highlights an 81% Physical, 4% Hybrid, and 15% Remote job distribution.

Software Engineer (Mainframe)

Sun Life Financial

Montreal, QC • On-site

Full-time

Re-posted just now


Sun Life Assurance Company of Canada rating

8.6

Company rating: 8.6 out of 10

Based on 18 frontline employees who took The Breakroom Quiz

88th of 303 rated insurance


Job description

You are as unique as your background, experience and point of view. Here, you'll be encouraged, empowered and challenged to be your best self. You'll work with dynamic colleagues - experts in their fields - who are eager to share their knowledge with you. Your leaders will inspire and help you reach your potential and soar to new heights. Every day, you'll have new and exciting opportunities to make life brighter for our Clients - who are at the heart of everything we do.


At Sun Life, we're driven by our Purpose: helping our Clients achieve lifetime financial security and live healthier lives. Our values shape how we work: caring, authentic, bold, inspiring, and impactful.


When you join Sun Life, you'll work with passionate colleagues and empowering leaders who support your growth and celebrate your contributions, so you can make a meaningful difference in our Clients' lives.


Discover how you can make a difference in the lives of individuals, families and communities around the world.


Job Description:

We're evolving how we attract and engage with our clients, and as a Mainframe Software Engineer on our team, you'll design, develop, support, and analyze large-scale applications and systems. This is a hands-on role focused on building high-quality solutions while growing your technical depth and contributing to meaningful client experiences.

This role is ideal for an engineer who thrives in a collaborative environment, values learning and continuous improvement, and can adapt to changing priorities while maintaining delivery quality.

Own Your Contributions

  • Break down and analyze application requirements into well-scoped work items
  • Design and develop mainframe applications under the guidance of senior engineers
  • Identify risks and raise them early to protect delivery timelines
  • Make sound technical decisions aligned with team standards and long-term maintainability
  • Contribute to maintaining the health, reliability, and evolvability of existing systems

Build and Learn

  • Contribute to end-to-end application development using modern mainframe tools (IBM IDz, zDevOps, VS Code, Zowe, GitHub Copilot)
  • Write production-quality COBOL code with appropriate testing and documentation
  • Learn and apply lightweight engineering practices that balance speed and quality
  • Stay current with emerging technologies and AI-assisted development tools

Collaborate Effectively

  • Work with peers, senior engineers, and stakeholders to deliver solutions
  • Clearly communicate progress, risks, and trade-offs
  • Contribute to improving client and developer experience through collaboration
  • Share knowledge with peers and contribute to improving team practices and standards

What You Bring

  • 3 - 5 years of experience in mainframe application development
  • Working knowledge of zOS / OS/390 environments
  • Experience with TSO/ISPF, DB2, IMS, JCL, and COBOL
  • Understanding of MQ and middleware concepts
  • Strong problem-solving and communication skills
  • Familiarity with Git, Bitbucket, Jenkins, and zDevOps pipelines is a plus
  • Experience with agile methodologies such as Scrum or Kanban is an asset
  • As this position is posted in several locations, we specify that bilingualism (French, English, both oral and written) is required for Quebec only for the frequent interactions with English and French-speaking colleagues or internal partners across Canada or worldwide.

Product Mindset

  • You think in terms of client and business outcomes
  • You're comfortable learning through iteration and feedback
  • You value ownership, accountability, and continuous improvement

Why This Role

  • Opportunity to contribute to systems that support clients' well being
  • Work within a collaborative and inclusive engineering culture
  • Ongoing learning through coaching, training, and hands-on experience
  • Access to modern development tooling and a supportive team environment

Notes / Operational Expectations

Occasional offhours or weekend support may be required during key production activities; participation in an oncall rotation may apply


The Base Pay range is for the primary location for which the job is posted. It may vary depending on the work location of the successful candidate or other factors. In addition to Base Pay, eligible Sun Life employees participate in various incentive plans, payment under which is discretionary and subject to individual and company performance. Certain sales focused roles have sales incentive plans based on individual or group sales results.


Diversity and inclusion have always been at the core of our values at Sun Life. A diverse workforce with wide perspectives and creative ideas benefits our Clients, the communities where we operate and all of us as colleagues. We welcome applications from qualified individuals from all backgrounds.


Persons with disabilities who need accommodation in the application process, or those needing job postings in an alternative format, may e-mail a request to thebrightside@sunlife.com.


We are proud to be a hybrid organization that offers our employees the choice and flexibility to work from both the office and virtually based on the needs of the business, our Clients and you.


We may use artificial intelligence to support candidate sourcing, screening, interview scheduling.


We thank all applicants for showing an interest in this position. Only those selected for an interview will be contacted.


Salary Range:

65,000/65 000 - 105,000/105 000

Job Category:

IT - Application Development

Posting End Date:

06/08/2026

What Sun Life Assurance Company of Canada employees say

Pay

Benefits

Hours and flexibility

Workplace

Get the full story on Breakroom