Tax Co-Op/Intern – Summer 2027 – Income Tax Compliance

Job Description

Tax Co-Op/Intern – Summer 2027 | The Mosaic Company

The Tone:
This is a full-time internship at The Mosaic Company, located in Plymouth, Minnesota, offering a hybrid work schedule. The Mosaic Company is the world’s leading integrated producer of concentrated phosphate and potash, two essential agricultural nutrients, employing over 13,000 people globally. This role supports the tax department, providing a foundational learning experience within a global leader committed to helping the world grow the food it needs. It offers competitive pay and opportunities to learn from professionals while contributing to exciting projects.

The TL;DR
• Role: Internship
• Type: Full-time Co-Op/Internship
• Location: Hybrid Plymouth, MN

• Team: Partnered with team members in varying roles within the tax department.
• Mission: Assist in preparing tax returns, calculating provisions, and analyzing data to support compliance, financial reporting, and departmental transformation.
• Tech Stack: Microsoft Copilot, Power BI, reporting tools

What You’ll Actually Do
• Tax Return Preparation: Assist in preparing federal, state, and international income tax returns and supporting workpapers.
• Provision Calculations: Help with quarterly tax provision calculations (ASC 740), including identifying and reconciling book-to-tax differences.
• Data Analysis: Prepare and analyze tax data to support both compliance efforts and financial reporting requirements.
• Audit Support: Support responses to tax notices and information requests received during audits.
• Efficiency Improvement: Utilize digital tools to improve data accuracy, consistency, and the efficiency of reporting processes.

The Must-Haves
• Background: Junior level or above by May 2027 pursuing a bachelor’s degree in Accounting, Finance, or IT, with foundational knowledge of taxation and accounting principles.
• Experience: No specific years required; 1-2 years of experience volunteering, working with student/school organizations, or work is preferred. Must be able to work full time and maintain student standing during the co-op/internship.
• Skills: Foundational knowledge of taxation and accounting principles, basic computer skills, and experience working effectively in a team environment.
• Bonus: Experience or familiarity with Microsoft Copilot, Power BI, and reporting tools. Previous internship or co-op experience is preferred. Reliable transportation and a valid driver’s license are required, and effective verbal communication skills are a plus.