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Mainframe Networking Jobs in Toronto, ON (NOW HIRING)

... network or application, etc Experience with Web Application: IBM WAS (WebSphere), AIX, Apache ... Cloud technologies Basic Mainframe knowledge (Ondemand Client, Zeke scheduler, ISPF)

Infrastructure Operations is a 7/24 Service Availability (Dual Site Coverage) department responsible for providing frontline support and monitoring of the Banks mainframe, distributed and network ...

Infrastructure Operations is a 7/24 Service Availability (Dual Site Coverage) department responsible for providing frontline support and monitoring of the Banks mainframe, distributed and network ...

This role requires strong technical expertise in CyberArk, Windows infrastructure, networking, and ... Active Directory, Azure Active Directory / Entra ID, Windows, Unix/Linux, Databases, Mainframe ...

... with Network, LAN TCP/IP, security and communication protocol concepts Good to have: mainframe development experience and enterprise architectural knowledge/experience Undergraduate Degree in ...

Experience in a diverse system environment, including accounting systems such as SAP and mainframe ... The opportunity to move along a variety of career paths with amazing networking potential * Access ...

New

Experience in a diverse system environment, including accounting systems such as SAP and mainframe ... The opportunity to move along a variety of career paths with amazing networking potential * Access ...

New

Inventory Analyst

Thornhill, ON · Hybrid

CA$55K - CA$86K/yr

Generate all systems recommendations for stock level changes for the network. * Screen and manage ... information via mainframe and PC systems * Working knowledge of SAP Supply Chain Suite ...

Mainframe Networking information

What is the difference between Mainframe Networking vs Mainframe Systems Programmer?

AspectMainframe NetworkingMainframe Systems Programmer
Primary FocusDesign, implement, and maintain network connectivity for mainframe environmentsInstall, configure, and maintain mainframe operating systems and system software
CertificationsNetworking certifications (e.g., Cisco, IBM TCP/IP)IBM mainframe certifications (e.g., IBM Certified Systems Programmer)
Work EnvironmentData centers, network operation centersMainframe data centers, enterprise IT departments
Common UsageEnsuring reliable network communication for mainframe applicationsManaging mainframe OS and system software for stability and performance

While both roles work within mainframe environments, Mainframe Networking focuses on network connectivity and communication, whereas Mainframe Systems Programmers handle system software and OS management. Understanding these distinctions helps clarify career paths and job expectations in mainframe IT.

What are popular job titles related to Mainframe Networking jobs in Toronto, ON? For Mainframe Networking jobs in Toronto, ON, the most frequently searched job titles are:
What job categories do people searching Mainframe Networking jobs in Toronto, ON look for? The top searched job categories for Mainframe Networking jobs in Toronto, ON are:
Infographic showing various Mainframe Networking job openings in Toronto, ON as of August 2026, with employment types broken down into 83% Full Time, and 17% Contract. Highlights an 50% In-person, 17% Hybrid, and 33% Remote job distribution.

Intermediate Mainframe Application Developer

BMO Capital Markets

Toronto, ON

CA$61K - CA$113K/yr

Full-time

Medical, Life, Retirement

Posted 19 days ago


Job description

Application Deadline:

08/20/2026

Address:

33 Dundas Street West

Job Family Group:

Technology

Drives the design, development, and maintenance of mainframe applications aligned with business objectives, enterprise architecture, and technology strategy. Applies strong understanding of business processes and technical architecture to deliver high-quality, scalable, and secure solutions.

Ensures code and system configurations meet BMO standards for security, logging, performance, and resiliency. Evaluates technology choices, assesses impacts across systems and processes, and contributes to an efficient and sustainable application ecosystem. Focuses on delivering reliable, defect-free solutions while continuously improving systems and practices.

Key Responsibilities

  • Designs, develops, tests, and implements mainframe applications aligned with business and technology requirements.
  • Translates business needs into detailed technical specifications and high-quality code.
  • Ensures solutions meet enterprise standards for security, performance, and operational excellence.
  • Analyzes system impacts across upstream and downstream dependencies.
  • Supports production stability through root cause analysis and timely issue resolution.
  • Evaluates and recommends improvements to technology, processes, and system efficiency.
  • Builds scalable, maintainable, and reusable solutions aligned with enterprise objectives.
  • Collaborates with business and technology stakeholders to deliver aligned outcomes.
  • Reviews code and provides guidance to support team effectiveness and quality.
  • Contributes to development standards, frameworks, and continuous improvement initiatives.
  • Supports delivery of project outcomes and operational priorities.
  • Mentors team members and contributes to knowledge sharing and capability development.

Qualifications

  • Typically 3-5 years of mainframe development experience or equivalent education.
  • Strong experience with COBOL, CICS, PL/1, JCL, DB2, and VSAM.
  • Familiarity with EASYTRIEVE and FOCUS
  • Experience with Jira, Confluence, z/OS, and ServiceNow.
  • Exposure to AI technologies and mainframe modernization is a strong asset.
  • Experience working with CSF Designer is considered an advantage, but not mandatory.

Core Skills

  • Strong knowledge of software development practices, architecture, and enterprise ecosystems
  • Advanced problem-solving and analytical skills
  • Effective communication and stakeholder management
  • Ability to work independently on complex initiatives
  • Strong collaboration and influencing skills
  • Data-driven decision making

Salary:

$61,600.00 - $113,900.00

Pay Type:

Salaried

The above represents BMO Financial Group's pay range and type.

Salaries will vary based on factors such as location, skills, experience, education, and qualifications for the role, and may include a commission structure. Salaries for part-time roles will be pro-rated based on number of hours regularly worked. For commission roles, the salary listed above represents BMO Financial Group's expected target for the first year in this position.

BMO Financial Group's total compensation package will vary based on the pay type of the position and may include performance-based incentives, discretionary bonuses, as well as other perks and rewards. BMO also offers health insurance, tuition reimbursement, accident and life insurance, and retirement savings plans. To view more details of our benefits, please visit:https://jobs.bmo.com/global/en/Total-Rewards

About Us

At BMO we are driven by a shared Purpose: Boldly Grow the Good in business and life. It calls on us to create lasting, positive change for our customers, our communities and our people. By working together, innovating and pushing boundaries, we transform lives and businesses, and power economic growth around the world.

As a member of the BMO team you are valued, respected and heard, and you have more ways to grow and make an impact. We strive to help you make an impact from day one - for yourself and our customers. We'll support you with the tools and resources you need to reach new milestones, as you help our customers reach theirs. From in-depth training and coaching, to manager support and network-building opportunities, we'll help you gain valuable experience, and broaden your skillset.

To find out more visit us at https://jobs.bmo.com/ca/en.

BMO is committed to an inclusive, equitable and accessible workplace. By learning from each other's differences, we gain strength through our people and our perspectives. Accommodations are available on request for candidates taking part in all aspects of the selection process. To request accommodation, please contact your recruiter.

Note to Recruiters: BMO does not accept unsolicited resumes from any source other than directly from a candidate. Any unsolicited resumes sent to BMO, directly or indirectly, will be considered BMO property. BMO will not pay a fee for any placement resulting from the receipt of an unsolicited resume. A recruiting agency must first have a valid, written and fully executed agency agreement contract for service to submit resumes.