Senior DB2 DBABMOFull-timeToronto, ON, CANUSD 70,000
- 150,0000 viewsPosted October 21, 2026##

Job Description
Drive the Data Platforms Powering One of Canada's Leading Financial InstitutionsAt BMO, we're driven by a shared Purpose: 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. If you're passionate about database technology, enjoy solving complex technical challenges, and want to make a meaningful impact within a large-scale enterprise setting, we'd love to hear from you.
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.## Strong expertise in database design, implementation, administration, and maintenance.
Solid experience with z/OS, JCL, TSO/ISPF, and mainframe technologies.
Strong SQL performance tuning and query optimization capabilities.
Deep understanding of Db2 security architecture and controls.
Experience with Db2 data sharing environments and high-availability solutions.
Understanding of the Software Development Life Cycle (SDLC) and change management practices.
Bachelor's degree in Computer Science, Information Technology, or a related field, or equivalent practical experience.
Db2 Connect configuration and implementation utilizing AT-TLSRACF, ACF2, or other enterprise security productsDb2 Explain**ISPWGitHubVisual 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 environments##

How to Apply
Apply directly through the application link above #

📌 DBA Senior (Canada)
🏢 MainframeMaster
📍 Canada