Senior DB2 DBA

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Senior DB2 DBA

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

At 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 Bring

Required Experience & Qualifications

• 7+ years of hands-on experience supporting Db2 for z/OS environments.
• Proven experience with Db2 z/OS Version 12 or higher .
• Strong 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 Qualifications

Experience with one or more of the following technologies and tools:

• Db2 Connect configuration and implementation utilizing AT-TLS
• RACF, ACF2, or other enterprise security products
• Db2 Explain
• ISPW
• GitHub
• Visual Studio Code with Db2 extensions
• ESP
• CICS
• Data replication technologies
• NDM
• IBM Change Management Tool Catalog Manager
• IBM Query Monitor
• IBM Log Analysis Tool
• Omegamon
• AQT
• QMF
• ServiceNow

Additional assets:

• Knowledge of COBOL, PL/I, Assembler, REXX, or CLIST
• Experience with data modelling and tools such as PowerDesigner
• Db2 for z/OS certification
• Experience working within large, regulated enterprise environments

Why 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 impact
• A culture that values inclusion, collaboration, and continuous learning
• Access to leading technologies and modernization initiatives
• Career growth and development opportunities across a global organization
• 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 .

Ready to make an impact? Join BMO and help build the secure, innovative data platforms that power the future of banking.

Salary :

Pay Type:

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:

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

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.