Application Deadline:10/30/2026Address:4100 Gordon Baker RoadJob Family Group:TechnologySenior DB2 DBADrive the Data Platforms Powering One of Canada's Leading Financial InstitutionsAt BMO , we're driven by a shared Purpose: Boldly Grow the Good in business and life . Our technology teams play a critical role in delivering secure, reliable, and innovative banking solutions that millions of customers depend on every day.
We are looking for a Senior Database Administrator (Db2 z/OS) to join our Mainframe Platform & Application Services team. In this role, you'll help design, optimize, and support the mission-critical database environments that power enterprise applications across the bank. You'll collaborate with talented engineers, developers, architects, and business partners to ensure our platforms remain secure, resilient, and high performing.
If you're passionate about database technology, enjoy solving complex technical challenges, and want to make a meaningful impact within a large-scale enterprise environment, we'd love to hear from you.

What You'll Do
As a key member of our Db2 DBA Dev team, you will:Administer, monitor, and support enterprise-scale Db2 for z/OS environments.
Design, implement, and maintain secure, scalable, and highly available database solutions in non-production environments.
Prepare and deploy database changes through established change management processes into production environments.
Partner with application development teams to deliver high-quality, performant, and resilient database solutions.
Perform logical and physical database design while ensuring adherence to enterprise standards for data integrity, security, and performance.
Provide expert guidance on SQL design, SQL optimization, performance tuning, backup and recovery strategies, stored procedures, and database architecture.




Troubleshoot and resolve complex database, application, and connectivity issues, including distributed applications utilizing JDBC and ODBC/CLI connectivity.
Analyze and optimize database performance to support business-critical workloads.
Develop and maintain database security standards, governance practices, and operational procedures.
Contribute to continuous improvement initiatives, automation opportunities, and modernization efforts across the database ecosystem.
Collaborate with cross-functional technology teams to support strategic projects and enterprise transformation initiatives.
What You'll BringRequired Experience & Qualifications7+ years of hands-on experience supporting Db2 for z/OS environments.
Proven experience with Db2 z/OS Version 12 or higher .
Solid expertise in database design, implementation, administration, and maintenance.
Solid experience with z/OS, JCL, TSO/ISPF , and mainframe technologies.
Experience supporting distributed Db2 applications and connectivity solutions.
Strong SQL performance tuning and query optimization capabilities.
Deep understanding of Db2 security architecture and controls.
Experience with Db2 utilities, plans, packages, access paths, Explain, LOBs, triggers, stored procedures, and user-defined functions.
Experience with Db2 data sharing environments and high-availability solutions.
Practical expertise in backup, recovery, and disaster recovery processes.




Strong analytical, troubleshooting, and problem-solving abilities.
Understanding of the Software Development Life Cycle (SDLC) and change management practices.
Excellent collaboration, communication, and relationship management skills.
Bachelor's degree in Computer Science, Information Technology, or a related field, or equivalent practical experience.
Preferred QualificationsExperience with one or more of the following technologies and tools:Db2 Connect configuration and implementation utilizing AT-TLSRACF, ACF2, or other enterprise security productsDb2 ExplainISPWGitHubVisual Studio Code with Db2 extensionsESPCICSData replication technologiesNDMIBM Change Management Tool Catalog ManagerIBM Query MonitorIBM Log Analysis ToolOmegamonAQTQMFServiceNowAdditional assets:Knowledge of COBOL, PL/I, Assembler, REXX, or CLISTExperience with data modelling and tools such as PowerDesignerDb2 for z/OS certificationExperience working within large, regulated enterprise environmentsWhy Join BMO?At BMO, you'll have the opportunity to work on large-scale platforms that support millions of customers while collaborating with some of the industry's most talented technology professionals.
You'll benefit from:Meaningful work with enterprise-wide impactA culture that values inclusion, collaboration, and continuous learningAccess to leading technologies and modernization initiativesCareer growth and development opportunities across a global organizationFlexible hybrid work arrangementsA supportive environment where your ideas and expertise help shape the future of banking technologyHybrid Work Model: This role requires in-office presence two days per week .
Ready to make an impact? Join BMO and help build the secure, innovative data platforms that p

📌 SeniorDBA (Toronto)
🏢 BMO
📍 Toronto