Senior Tax Accountant - Canada

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Regina, SK, CAN
In-Office
Agriculture
The Role

The Mosaic Company (NYSE: MOS) is the world’s leading integrated producer of concentrated phosphate and potash—two of the three most important nutrients in agriculture. We employ more than 13,000 people in six countries to serve farmers all over the world. Our Headquarters is in Lithia, Florida with operations throughout North America (U.S./Canada) and South America.

At Mosaic We Help the World Grow the Food it Needs - Apply today and join our team!

The Senior Tax Accountant – Canada plays a critical role in supporting the Canadian tax compliance function and ensuring accurate, timely execution of all tax obligations. This position will work closely with the Tax Compliance Manager to assist in end-to-end compliance processes and contribute to strategic initiatives within a forward-thinking tax department.

Key Responsibilities:

  • Tax Return Preparation: Prepare monthly, quarterly, and annual Canadian Income and Resource tax returns, ensuring accuracy and compliance with Federal and Provincial regulations.

  •  Indirect Tax Compliance: Support GST/PST, Non-Resident Withholding, Property Tax, and Carbon Tax compliance activities, including reconciliations and variance resolution.

  • Audit Support: Coordinate and provide information for audit and information requests from Canadian tax authorities.

What will you do?

  • Ensure the accurate and timely preparation and filing of all The Mosaic Company’s annual Canadian Federal and Provincial tax returns, including preparing monthly estimated tax payments consistent with management philosophy and tax law requirements.

  • Ensure the accurate and timely preparation and filing of all The Mosaic Company’s monthly, quarterly, and annual Resource tax returns (base capital and profit tax), including preparing monthly and quarterly estimated tax payments consistent with management philosophy and tax law requirements. Preparation of monthly CRT journal entries and assisting FP&A with forecasting and budgeting of CRT expense.

  • Prepare related tax provisions for financial statement purposes in partnership with the Tax Accounting and Potash FP&A teams to ensure the Canada Resource and Income Taxes are accurately reported in the quarterly and year-end financial statements, consistent with management philosophy and regulatory requirements.

  • Participate in the development of a meaningful audit trail for positions taken on tax filings. Provide support for Canadian Resource, Income, and Indirect audits, including participation and review of responses to IDRS, communicating with auditors, and reviewing of final assessments as needed.

  • Ensure the accurate and timely preparation and filing of some of The Mosaic Company’s Canadian Indirect tax returns (Property Tax, Carbon Tax, and miscellaneous returns) consistent with management philosophy and tax law requirements.

What do you need for this role?

  • Bachelor's degree required with major in Accounting, Finance, Tax or Law

  • 4+ years of experience at a major public accounting firm and/or tax department of a multinational corporation

  • Demonstrated understanding of Canadian Taxes including Indirect Taxes

  • Must have experience with project and resource management, contingency analyses, and detailed electronic research

  • Affinity for technical tax

  • Strong verbal, written and listening communication skills

  • Ability to communicate complicated issues to large groups

  • Strong organizational skills and attention to detail

  • Ability to lead through influence and network

  • Ability to effectively work and create effective partnerships with employees at all levels within the organization

  • Ability to adapt to a continually changing business and work environment and manage multiple priorities

  • Demonstrated problem solving techniques and strong analytical skills

  • Proven leadership and project management capabilities

  • Strong interpersonal and team building skills

  • Demonstrated critical thinking and decision-making skills

  • Strong business acumen

  • Proficient with Microsoft Office (Word, Excel, PowerPoint, Outlook, and Teams)

  • Canada Tax Prep experience is desirable

  • SAP S/4 HANA experience is preferred

What's in it for you: 

  • A competitive base salary + bonus incentives 

  • 11 paid holidays each year 

  • A generous 401k with a company match and annual company contributions (US candidates)

  • A generous retirement and savings program with a company match (Canadian candidates)

  • Paid sick leave 

  • Paid vacation time

  • A robust benefits package which includes Medical, Dental, and Vision insurance, life & disability (US candidates)

  • A robust flexible benefits package which includes Medical, Dental, Vision, life & disability insurance (Canadian candidates)

  • Employee and Family Assistance Program

  • Tuition reimbursement

#LI-KM1

The Mosaic Company Compensation & Benefits Highlights

The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about The Mosaic Company and has not been reviewed or approved by The Mosaic Company.

  • Healthcare Strength Multiple medical plan options—including HDHP and traditional choices—are paired with company HSA contributions. Clinical programs and preventive resources (e.g., digital MSK care and disease‑management tools) broaden access to care.
  • Retirement Support A 401(k) through Fidelity includes company matching contributions, a Roth option, and additional annual company contributions. This structure positions retirement benefits as a core component of the package.
  • Wellbeing & Lifestyle Benefits A cash‑based wellness incentive program, Lyra EAP, and virtual therapies provide practical mental and physical health support. Family‑oriented resources such as parental benefit hubs and Milk Stork add everyday utility.

The Mosaic Company Insights

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The Company
HQ: Tampa, FL
10,000 Employees
Year Founded: 2004

What We Do

Mosaic is a global leader in the crop nutrient industry — the only company with the ability to produce and deliver two vital crop nutrients, phosphate and potash, on a massive scale. Mosaic engages in every phase of crop nutrition, from the mining of resources to the production of crop nutrients, feed and industrial products for customers around the globe.

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