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 ...
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 ...
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 ...
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 ...
Dans le cadre de la croissance de notre pratique mainframe, nous cherchons un programmeur systemes z/OS d'experience pour rejoindre notre equipe. Vos responsabilites Vous travaillerez directement ...
Dans le cadre de la croissance de notre pratique mainframe, nous cherchons un programmeur systemes z/OS d'experience pour rejoindre notre equipe. Vos responsabilites Vous travaillerez directement ...
Installer, configurer et maintenir les bases de donnees Supra sur des systemes mainframe IBM * Surveiller et optimiser la performance des bases de donnees, y compris la planification des capacites
Installer, configurer et maintenir les bases de donnees Supra sur des systemes mainframe IBM * Surveiller et optimiser la performance des bases de donnees, y compris la planification des capacites
Installer, configurer et maintenir les bases de donnees Supra sur des systemes mainframe IBM * Surveiller et optimiser la performance des bases de donnees, y compris la planification des capacites
Installer, configurer et maintenir les bases de donnees Supra sur des systemes mainframe IBM * Surveiller et optimiser la performance des bases de donnees, y compris la planification des capacites
Define the technical path for mainframe modernization, data center exit, and workload migration (rehost, replatform, refactor, SaaS) Hands-On Engineering & Automation: * Lead by doing: Architect ...
Define the technical path for mainframe modernization, data center exit, and workload migration (rehost, replatform, refactor, SaaS) Hands-On Engineering & Automation: * Lead by doing: Architect ...
Define the technical path for mainframe modernization, data center exit, and workload migration (rehost, replatform, refactor, SaaS) Hands-On Engineering & Automation: * Lead by doing: Architect ...
Define the technical path for mainframe modernization, data center exit, and workload migration (rehost, replatform, refactor, SaaS) Hands-On Engineering & Automation: * Lead by doing: Architect ...
Java development * with mainframe languages like COBOL, Natural, XGEN * with mainframe databases like DB2, IMS, ADABAS * working with global teams on projects * working with offshore teams to ...
Java development * with mainframe languages like COBOL, Natural, XGEN * with mainframe databases like DB2, IMS, ADABAS * working with global teams on projects * working with offshore teams to ...
Deep expertise with Mainframe environments and their integration with modern and digital business-critical systems * Track record modernizing and enabling health benefits claims / health technology ...
Deep expertise with Mainframe environments and their integration with modern and digital business-critical systems * Track record modernizing and enabling health benefits claims / health technology ...
Deep expertise with Mainframe environments and their integration with modern and digital business-critical systems * Track record modernizing and enabling health benefits claims / health technology ...
Deep expertise with Mainframe environments and their integration with modern and digital business-critical systems * Track record modernizing and enabling health benefits claims / health technology ...
Sr. IZWS Scheduler Expert
Montreal, QC · On-site
CA$62K - CA$147K/yr
Location Remote role in Canada About the role you're considering We are seeking an experienced Migration Deployment Specialist - Scheduling (IZWS) to support large-scale mainframe scheduling ...
Sr. IZWS Scheduler Expert
Montreal, QC · On-site
CA$62K - CA$147K/yr
Location Remote role in Canada About the role you're considering We are seeking an experienced Migration Deployment Specialist - Scheduling (IZWS) to support large-scale mainframe scheduling ...
Deep expertise with Mainframe environments and their integration with modern and digital business-critical systems * Track record modernizing and enabling health benefits claims / health technology ...
Deep expertise with Mainframe environments and their integration with modern and digital business-critical systems * Track record modernizing and enabling health benefits claims / health technology ...
Familiar with Microsoft software (Outlook, Word, Excel etc.) and other mainframe computer systems such as AMIS. Prior experience as a Foreman/Mechanic, an asset. At least five years' experience in ...
Familiar with Microsoft software (Outlook, Word, Excel etc.) and other mainframe computer systems such as AMIS. Prior experience as a Foreman/Mechanic, an asset. At least five years' experience in ...
Mechanic Advisor
Montreal, QC · On-site
Familiar with Microsoft software (Outlook, Word, Excel etc.) and other mainframe computer systems such as AMIS. Prior experience as a Foreman/Mechanic, an asset. At least five years' experience in ...
Mechanic Advisor
Montreal, QC · On-site
Familiar with Microsoft software (Outlook, Word, Excel etc.) and other mainframe computer systems such as AMIS. Prior experience as a Foreman/Mechanic, an asset. At least five years' experience in ...
Pret(e) a deposer tes valises dans une agence qui propulsera ta carriere bien au-dela d'une simple escale? Passionne(e) par le conseil et l'accompagnement des voyageurs ? CAA-Quebec recherche un(e ...
Pret(e) a deposer tes valises dans une agence qui propulsera ta carriere bien au-dela d'une simple escale? Passionne(e) par le conseil et l'accompagnement des voyageurs ? CAA-Quebec recherche un(e ...
Manoeuvre transformation alimentaire (étudiant) - St-Henri-de-Lévis
Saint-henri-de-levis, QC · On-site
Chez Olymel, nous croyons en l'innovation, la qualité et la croissance durable. Nous sommes à la recherche de Manoeuvre transformation alimentaire (étudiant) - St-Henri-de-Lévis pour rejoindre ...
Manoeuvre transformation alimentaire (étudiant) - St-Henri-de-Lévis
Saint-henri-de-levis, QC · On-site
Chez Olymel, nous croyons en l'innovation, la qualité et la croissance durable. Nous sommes à la recherche de Manoeuvre transformation alimentaire (étudiant) - St-Henri-de-Lévis pour rejoindre ...
Pret(e) a deposer tes valises dans une agence qui propulsera ta carriere bien au-dela d'une simple escale? Passionne(e) par le conseil et l'accompagnement des voyageurs ? CAA-Quebec recherche un(e ...
Pret(e) a deposer tes valises dans une agence qui propulsera ta carriere bien au-dela d'une simple escale? Passionne(e) par le conseil et l'accompagnement des voyageurs ? CAA-Quebec recherche un(e ...
Conseiller(ere) en voyages
Levis, QC · On-site
Pret(e) a deposer tes valises dans une agence qui propulsera ta carriere bien au-dela d'une simple escale? Passionne(e) par le conseil et l'accompagnement des voyageurs ? CAA-Quebec recherche un(e ...
Conseiller(ere) en voyages
Levis, QC · On-site
Pret(e) a deposer tes valises dans une agence qui propulsera ta carriere bien au-dela d'une simple escale? Passionne(e) par le conseil et l'accompagnement des voyageurs ? CAA-Quebec recherche un(e ...
Analyste de réalisation central
Levis, QC · On-site
Expérience avec des environnements legacy / mainframe * Expérience en projets d'évolution de systèmes centraux Benefits * Du télétravail et de la flexibilité pour s'adapter à vos obligations ...
Quick apply
Analyste de réalisation central
Levis, QC · On-site
Expérience avec des environnements legacy / mainframe * Expérience en projets d'évolution de systèmes centraux Benefits * Du télétravail et de la flexibilité pour s'adapter à vos obligations ...
Expérience avec des environnements legacy / mainframe * Expérience en projets d'évolution de systèmes centraux Benefits * Du télétravail et de la flexibilité pour s'adapter à vos obligations ...
Quick apply
Expérience avec des environnements legacy / mainframe * Expérience en projets d'évolution de systèmes centraux Benefits * Du télétravail et de la flexibilité pour s'adapter à vos obligations ...
Mainframe information
What is the average salary for mainframe jobs?
What jobs in the US pay 300,000 a year?
What are the key skills and qualifications needed to thrive as a Mainframe Developer, and why are they important?
Is mainframe a good career option?
What Is a Mainframe Application Developer Job Description?
The job description of a mainframe application developer is to sustain the central data processing system, or mainframe. Common duties include designing applications, analyzing data, running reports, and deploying mainframe applications. This job requires a great deal of collaboration to keep the mainframe going and a strong understanding of mainframe languages. A key part of this role is to align the design of the mainframe with changing business needs.
What are mainframes and what do they do?
What are some typical challenges faced by mainframe professionals when integrating legacy systems with modern technologies?
Can AI replace mainframe?
What is the difference between Mainframe vs Mainframe Developer?
| Aspect | Mainframe | Mainframe Developer |
|---|---|---|
| Primary Role | Maintains and manages mainframe hardware and systems | Designs, develops, and tests mainframe applications |
| Skills & Certifications | Knowledge of mainframe hardware, OS, and basic scripting | Proficiency in COBOL, JCL, and mainframe programming languages |
| Work Environment | Data centers, enterprise IT departments | Development teams within mainframe environments |
| Industry Usage | Used by organizations with legacy systems | Develops and maintains those legacy systems |
While Mainframe professionals focus on maintaining the hardware and system infrastructure, Mainframe Developers specialize in creating and updating mainframe applications. Both roles require knowledge of mainframe environments, but their responsibilities differ significantly within the same industry.

Sun Life Assurance Company of Canada rating
8.6
Based on 18 frontline employees who took The Breakroom Quiz
88th of 299 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 000Job Category:
IT - Application DevelopmentPosting End Date:
06/08/2026What Sun Life Assurance Company of Canada employees say
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