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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

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: