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Financial Systems; OneStream) Business Analyst

Job in Toronto, Ontario, C6A, Canada
Listing for: Mattamy Homes
Full Time position
Listed on 2026-09-23
Job specializations:
  • IT/Tech
    Business Systems & Technology Analysis, IT Business Analyst, Data Analyst
Salary/Wage Range or Industry Benchmark: 58000 - 88000 CAD Yearly CAD 58000.00 88000.00 YEAR
Job Description & How to Apply Below
Position: Financial Systems (OneStream) Business Analyst

At Mattamy Asset Management (MAM), everyone has an important role to play in our shared success. Developing thoughtfully planned communities is complex work and our diverse teams come together to deliver on that mission in every aspect. We are thoughtful planners, precise project managers and practiced subject matter experts. And in each area of our evolving business, we are trusted to drive results.

Here, your opinion will be invited, and your contributions will count. You’ll be surrounded by caring people who encourage you to be exactly who you are. You’ll grow in your area of expertise, learning alongside committed colleagues. With a relentless focus on industry leadership and a deep commitment to sustainability, we’ve got big plans for the future – and for you.

Learn more about what makes working at Mattamy special and our award-winning culture.

What we offer

Reporting to the Director, One Stream, the Business Analyst, One Stream will support the delivery, enhancement and ongoing operation of the One Stream platform across our Canadian and U.S. operations. As part of the IT Enterprise Services team, you will partner with Finance and IT stakeholders to translate business needs into scalable solutions that strengthen financial consolidation, close, planning, forecasting and reporting processes.

You’ll work closely with internal teams and external partners across the full solution delivery lifecycle, with a focus on data quality, controls, usability and reliable support.

What you’ll do
  • Partner with Finance, Accounting, FP&A and IT stakeholders to gather, analyze and document business requirements for One Stream solutions.
  • Translate business needs into functional requirements, user stories, process maps, solution designs and acceptance criteria.
  • Support One Stream capabilities for financial close and consolidation, planning, forecasting, management reporting and analytics.
  • Work with technical teams and implementation partners to configure workflows, reports, dashboards, business rules and other platform enhancements.
  • Support data integrations between One Stream and source systems, including data mapping, transformation, reconciliation and validation.
  • Develop test plans, test cases and scripts; coordinate system and user acceptance testing; and confirm that solutions meet business and control requirements.
  • Investigate production issues, analyze root causes and coordinate timely resolution, particularly during critical close, planning and reporting cycles.
  • Identify opportunities to streamline finance processes, reduce manual effort and improve data quality, controls and the end-user experience.
  • Create and maintain process documentation, data mappings, support procedures, release notes, user guides and training materials.
  • Provide functional support and training to One Stream users while ensuring service levels and quality objectives are met.
What you bring
  • Bachelor’s degree in Accounting, Finance, Information Systems, Computer Science or a related field, or equivalent experience.
  • 5+ years of business analysis or financial systems experience, including requirements gathering, process analysis, testing and implementation.
  • Strong understanding of finance processes such as financial close, consolidation, planning, forecasting and management reporting.
  • Experience translating business requirements into practical system solutions and clear functional documentation.
  • Experience with data mapping, data validation, reconciliations and integrations between financial systems.
  • Experience developing test plans and test cases and coordinating user acceptance testing.
  • Strong analytical and problem-solving skills, with the ability to investigate complex issues and develop actionable solutions.
  • Ability to communicate…
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