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Mainframe developer Jobs in North York, ON

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Mainframe developer • north york on

Last updated: 2 days ago

Mainframe Production Support Specialist

randstad canadaToronto, Ontario, CA
Temporary
Quick Apply

Are you a Mainframe expert who thrives in fast-paced, high-impact environments? Do you enjoy solving complex puzzles under pressure and ensuring critical financial systems run flawlessly?.We are lo... Show more

Sr. Mainframe MFA Consultant

wave strongToronto, ON, CA
Remote
Full-time
Quick Apply

Mainframe MFA Consultant, 6 months, contract opportunity.Identify Roles and responsibility of team.Understand how Entra ID is hosted and configured.Discover which channel can be used for MFA pushes... Show more

Software Developer

logi senseToronto, ON, CA
CA$100,000.00–CA$120,000.00 yearly
Remote
Full-time
Quick Apply

Help Deliver the Future of Usage-Based Billing.LogiSense is looking for a Software Developer to help build and enhance our usage-based billing platform.NET, and Microsoft SQL Server skills, along w... Show more

Software Developer

sync comToronto, ON, CA
CA$97,000.00–CA$100,000.00 yearly
Full-time
Quick Apply

Sync is Canada’s largest cloud storage provider and a global leader in secure file sharing and document collaboration.We’re expanding into the enterprise market, and we need your help.J... Show more

ServiceNow Developer

scotiabankToronto, ON, CA
Full-time

Join a purpose driven winning team, committed to results, in an inclusive and high-performing culture.Contributes to the overall success of the Information Technology & Solutions (IT&S) glo... Show more

Mainframe DB2 Developer.

astra north infoteckToronto, ON, ca
Full-time

Job Description: Mainframe Developer.Toronto, ON - Hybrid (4 Days WFO).Mainframe DB2 - Application Development.Role Descriptions: What will you do?.Assisting in translating business needs into tech... Show more

Software Developer

fidelity investmentsToronto
CA$650.00 weekly
Full-time

You will be working on a 100% remote schedule as part of Fidelity’s dynamic working arrangement.Current work authorization for Canada is required for all openings.At Fidelity, we’ve been helping Ca... Show more

Quality Engineer II (Mainframe)

tdToronto, Ontario
Full-time

Hands on role focused on test automation activities with high level of complexity.As a Test Lead for small complexity initiatives, accountable for implementing effective test strategies and plans, ... Show more

Software Developer

upstaffToronto, ON, ca
Full-time

Software Developer – Intermediate.Ontario Public Service – Central Agencies Cluster.Ministry of Treasury Board Secretariat.October 14, 2026 at 12:00 PM EST.The Ontario Public Service is seeking.Int... Show more

Software Developer

Talent Test AccountToronto, Ontario, CA
Full-time
Quick Apply

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ANDROID DEVELOPER

itsglobal[Toronto, ON], Ontario
CA$55.00–CA$65.00 hourly
Full-time

Our client is looking for an Android Developer to join their team.Must have skills required for this role.Minimum 4 years experience in Android SDK development, Mobile development with Java and Kot... Show more

Developer

bank canadaOttawa or Toronto, ON, CA
Permanent

The Bank of Canada has a vision to be a leading central bank—dynamic, engaged and trusted—committed to a better Canada.No other employer in the country offers you the unique opportunity to work at ... Show more

Quantative Developer

jay analytixToronto, Ontario, Canada
Full-time

Toronto, Ontario, Canada — Hybrid .We are seeking a Quantitative Developer with strong expertise in quantitative finance and advanced proficiency in Python.This role focuses on building and impleme... Show more

DevOps Developer

0000050007 royal bank canadaTORONTO, Ontario, Canada
Full-time

Are you passionate about driving innovation in application development and streamlining the software delivery lifecycle? As a Senior DevOps Engineer, you will play a critical role in bridging the g... Show more

Lead developer

plan it searchMarkham, Ontario, Canada
Full-time

Ability to build and support strong internal relationships with crossfunctional departments.Excellent communication skills, both written and verbal.Strong PC skills are required (MS Office, SAP) an... Show more

Python Developer

turingToronto, Ontario, Canada
CA$200.00–CA$300.00 daily
Full-time
Quick Apply

Based in San Francisco, California, Turing is the world’s leading research accelerator for frontier AI labs and a trusted partner for global enterprises deploying advanced AI systems.Turing support... Show more

React Developer

fintrosToronto, Ontario, Canada
Full-time

A stealth new app created by Fintros AI is launching in September 2021.In less than 180 days, our app has attracted 150,000 jobs across 500+ companies.By 2023, our company will power the talent att... Show more

Software Developer

ocean mdToronto, ON, CA
CA$90,000.00–CA$110,000.00 yearly
Full-time
Quick Apply

Join us as we change healthcare for the better.OceanMD, a WELL Health Company, is the leading provider of EMR-integrated Patient Engagement and eReferral tools in Canada, playing a critical role in... Show more

Calypso Developer

bmofinancialgroupNorth York, ON
CA$75.00–CA$85.00 hourly
Temporary

BMO is an organization driven by a shared Purpose: Boldly Grow the Good in business and life.It calls on members of its team, to create lasting, positive change for its customers, its communities, ... Show more

Azure.NET Developer

innova software servicesToronto, ON, Canada
Full-time
Quick Apply

NET Developer</p> <div> <div>5 7 Years Experience</div> <div>Azure Cloud</div> <div>Senior Developer</div> </div> <p>Location: Not s... Show more

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Mainframe Production Support Specialist

Mainframe Production Support Specialist

randstad canadaToronto, Ontario, CA
30+ days ago
Job type
  • Temporary
  • Quick Apply
Job description

Are you a Mainframe expert who thrives in fast-paced, high-impact environments? Do you enjoy solving complex puzzles under pressure and ensuring critical financial systems run flawlessly?

We are looking for a Mainframe Production Support Specialist to lead incident investigation, drive rapid service recovery, and champion operational excellence.
You will be at the heart of global transaction banking, collaborating with virtual teams across the globe to keep the financial world moving.





Advantages
Why You'll Love This Opportunity

Prime Location: Work right in the heart of Toronto's Financial District

Flexibility: Enjoy a balanced hybrid work model.

Global Scale: Put a massive, internationally recognized financial institution on your resume while working with cutting-edge global payment technology.

Responsibilities
What You’ll Do (The Day-to-Day)
Mastermind Incident Recovery: Lead the charge during service disruptions. You’ll coordinate multi-party technical teams, drive immediate mitigations, and restore services quickly and safely.

Communicate with Impact: Translate technical chaos into clear, structured updates for regional stakeholders, keeping everyone aligned on impact, progress, and recovery plans.

Drive Continuous Improvement: Participate in post-incident reviews to unearth root causes, build robust runbooks, and proactively eliminate recurring issues.

Guard the Environment: Participate in change reviews, flag potential risks, and support critical engineering events like role swaps, disaster recovery tests, patching, and evergreening.

Work Globally & Flexibly: Collaborate with diverse, cross-border virtual teams. Because global markets never sleep, you’ll occasionally support off-hours activities or adjust your shift schedule (e.g., mid-day starts) to align with critical maintenance windows.


Qualifications
What You’ll Need to Succeed
The Must-Haves:

5–7 years of hands-on experience in Mainframe application development and/or production support.

Deep Mainframe Technical Core: Solid expertise in CICS, DB2, COBOL, MQ, TWS, and SPUFI.

Production Support DNA: A rock-solid understanding of IT infrastructure, service stability principles, and ITIL frameworks (Incident, Problem, Change, and Release management).

Cool Under Pressure: Exceptional problem-solving skills with a sharp instinct for when to escalate critical issues.

Elite Communication: Fluent English skills with the cultural awareness needed to collaborate seamlessly across global boundaries.

Tech-Forward Mindset: Familiarity with modern AI productivity tools like Copilot and Claude to optimize your workflows.

Nice-to-Haves:

Experience within Corporate Banking (Payments domain exposure is a massive plus).

Exposure to Open Systems & databases: SQL, Java/J2EE, Unix, Oracle, and WebSphere.

Familiarity with monitoring and observability giants like AppDynamics, Splunk, or Geneos.

Network infrastructure knowledge or official ITIL Accreditation.

Summary

Ready to Make an Impact?
If you are a self-motivated Mainframe specialist who loves a challenge and wants to shape the future of client connectivity, we want to hear from you.

Randstad Canada is committed to fostering a workforce reflective of all peoples of Canada. As a result, we are committed to developing and implementing strategies to increase the equity, diversity and inclusion within the workplace by examining our internal policies, practices, and systems throughout the entire lifecycle of our workforce, including its recruitment, retention and advancement for all employees. In addition to our deep commitment to respecting human rights, we are dedicated to positive actions to affect change to ensure everyone has full participation in the workforce free from any barriers, systemic or otherwise, especially equity-seeking groups who are usually underrepresented in Canada's workforce, including those who identify as women or non-binary/gender non-conforming; Indigenous or Aboriginal Peoples; persons with disabilities (visible or invisible) and; members of visible minorities, racialized groups and the LGBTQ2+ community.

Randstad Canada is committed to creating and maintaining an inclusive and accessible workplace for all its candidates and employees by supporting their accessibility and accommodation needs throughout the employment lifecycle. We ask that all job applications please identify any accommodation requirements by sending an email to accessibility@randstad.ca to ensure their ability to fully participate in the interview process.