Full-time

Senior Mainframe Database Administrator

Posted by Sun Life Financial • May 27, 2026

📍 toronto, on, Canada
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Description

Step into the role of Senior Mainframe Database Administrator at Sun Life, focusing on Db2 for z/OS and IMS support in a flexible hybrid work setup. Drive excellence in database management for impactful client applications.

In this pivotal position with Sun Life's Mainframe Database Services team, you will utilize 5+ years of administration experience to provide high-level support for Db2 and IMS databases. You will conduct SQL tuning, optimize performance, and ensure database integrity for several crucial applications that our clients rely upon.

Key Responsibilities:
• Maintain and execute database utilities for Db2 and IMS
• Optimize SQL queries for improved application performance
• Support IMS DBA tasks and DBD modifications
• Manage database capacity and security setups
• Collaborate with infrastructure teams on best practices

Requirements:
• Degree in Computer Science or related discipline
• Over 5 y...

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