Sandra Brennan

Senior Business Analyst @Bell

Mississauga, ON, CA

Played a key role in several high-impact data initiatives across the organization, focusing on data governance, migration, and remediation.• Led the migration schedule for the M365 project, helping move 70 TB of unstructured data from on-premises Windows servers to SharePoint Online and OneDrive. Collaborated with cross-functional teams to ensure a smooth transition and compliance with retention policies—ultimately identifying and decommissioning 80 TB of outdated data.• Supported the Corporate File Services (CIFS) Data Remediation project by analyzing orphaned and stale files, contributing to the remediation of 50 million files (29.7 TB), significantly reducing data clutter and risk.• Drove data discovery efforts for the enterprise-wide “Pack Rat” data governance program, conducting workshops and application reviews that led to the identification and purging of 5 million over-retained records.• Assessed security and storage needs for new SharePoint Online sites, ensuring sensitive data was properly isolated and permissions were correctly set—especially critical for environments leveraging Microsoft Copilot.• Acted as a liaison between IT, business stakeholders, Corporate Security, and Legal to align data practices with enterprise standards and regulatory requirements.• Created detailed reports and analysis by reviewing application workflows, system diagrams, and supporting documentation to capture current-state data architecture and flow.Tools & Methodologies:Microsoft 365, SharePoint Online, OneDrive, Veritas Data Insight, Microsoft Copilot, Excel, Visio, PowerPoint, Word, BETC, Bell Docs, Webex, Teams, SAFe Agile, Jira

Sheridan College

Computer Science Technology