Mainframe Capacity and Performance Specialist

Application Deadline:

03/19/2026

Address:

4100 Gordon Baker Road

Job Family Group:

Technology

Monitors, restores service, changes, supports, and handles day-to-day activities 7/24/365 required to run the mission critical systems for the company ensuring mainframe performance and capacity meet business service levels requirements and environments are managed. Performs performance and capacity analysis that trends future needs and create strategic plans with input from IT teams.

• Focus is primarily on systems performance and Capacity management; may have broader, enterprise-wide focus.
• Infrastructure Oversight - Manage mainframe capacity plan for the whole mainframe infrastructure (Sysplex, LPAR concepts and resources) and oversee the resource planning for all subsystems
• Possesses strong technical and/or business functional knowledge of systems, timing and dependencies.
• Proactively analyses system performance and identifies operational and automation improvements that ensure smooth and consistent customer and business partner delivery.
• Breaks down strategic problems, and analyses data and information to provide insights and recommendations.
• Coordinate with the technical/performance management teams to reach agreement and coordinate performance and capacity improvements and fixes.
• Drives and/or promotes new processes, systems, technology, and operations and expanded capabilities for performance, with the flexibility to align to the unique requirements of the project teams and deliverables.
• Create and present performance and capacity strategic plans, provide insights and get agreement from various cross-functional teams on future plans
• Cost optimization – work with financial team to audit licensing and hardware charges to ensure vendor charges are correct.
• Monitors and tracks performance, and addresses any issues, provides recommendations
• Creation of alerts for CICS, MQ
• Provides initial triage, investigation and ensures fast turnaround times on issue/incident resolution.
• Works independently on a range of complex tasks, which may include unique situations.
• Supports deployment activities, managing implementation issues to resolution.
• Collaborates and engages with the appropriate areas across the bank.
• Develops or helps to develop the knowledge assets required for the operation.
• Promotes adherence to standards and industry best practices.
• Develops an understanding of organizational interactions and complexity to engage with the appropriate matrix areas.
• Identifies opportunities to strengthen the operational capability, such as: sharing expertise to promote technical development, mentoring employees, building communities of practice and networks across technology.
• Stays abreast of industry technical and business trends through participation in professional associations, practice communities & individual learning.
• Works independently on a range of complex tasks, which may include unique situations.
• Broader work or accountabilities may be assigned as needed.

Qualifications:

• Typically, 2-4 years of work experience in IT mainframe or business environment and/or B.S./B.A. in computer science, engineering, information systems, math or business.
• Key skills: Data analytics mindset, Capacity modelling knowledge, System Performance and tuning techniques, ITSM process, financial knowledge – e.g. contracts, chargebacks, etc
• Understanding of Information Technology operating processes used for systems to ensure effective delivery including but not limited to IT Operations mandatory operating standards for monitoring, logging, and alerting.
• Knowledge of support and operations practice, concepts, and technology obtained through formal training and/or work experience.
• Strong knowledge of mainframe performance analysis tools including IntelliMagic, IZPCA and ITBI
• Working knowledge on the use of various capacity forecasting methodologies
• Good proficiency using various reporting and analysis tools including PowerBI, Spotfire and ServiceNow
• Good proficiency in SharePoint website development and update
• Proficient with Mainframe applications and tools including CICS, DB2, Websphere, MQ, Z/OS, Omegamon, CICS Explorer, Dynatrace, MQ Apps, Apptune, QMF, TDS and MXG
• Mainframe Technical and/or business functional knowledge of systems, tools, timing, and dependencies.
• Mainframe Technical proficiency gained through education and/or business experience.
• Verbal & written communication skills - In-depth.
• Collaboration & team skills - In-depth.
• Analytical and problem-solving skills - In-depth.
• Influence skills - In-depth.
• Data driven decision making - In-depth.

NOTE: This role requires 2/3 days a week in the office.

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.