Technology Senior DB2 DBA

Drive the Data Platforms Powering One of Canada's Leading Financial Institutions

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 environment, 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-TLS

Data replication technologies

IBM Change Management Tool Catalog Manager

IBM Query Monitor

IBM Log Analysis Tool

ServiceNow

Additional assets:

Knowledge of COBOL, PL/I, Assembler, REXX, or CLIST

Experience with data modelling and tools such as PowerDesigner

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.

A culture that values inclusion, collaboration, and continuous learning

Flexible hybrid work arrangements

A supportive environment where your ideas and expertise help shape the future of banking technology

Hybrid Work Model: This role requires in-office presence two days per week .

Join BMO and help build the secure, innovative data platforms that power the future of banking.

Salaries for part time roles will be pro-rated based on number of hours regularly worked. 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. It calls on us to create lasting, positive change for our customers, our communities and our people. 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.

Accommodations are available on request for candidates taking part in all aspects of the selection process. A recruiting agency must first have a valid, written and fully executed agency agreement contract for service to submit resumes.

📌 DBA Senior (IT) (Toronto)
🏢 BMO
📍 Toronto