US Tax Manager

The Mason Group is partnering with a well-established, privately held investment organization to recruit an experienced U.S. Tax Manager to join its in-house tax team.

This is an excellent opportunity for a tax professional looking to transition from public practice into an in-house position or further develop their career within a sophisticated investment environment.

The successful candidate will be responsible for overseeing U.S. tax compliance, supporting cross-border tax planning, and providing technical tax expertise across a diversified portfolio of domestic and international investments.

Key Responsibilities

• Manage U.S. federal and state tax compliance, including corporate, partnership, and international tax reporting.
• Oversee the preparation and review of U.S. tax filings, working closely with external tax advisors.
• Support U.S. and cross-border tax planning, investment structuring, and transaction-related tax matters.
• Conduct technical tax research and provide recommendations on complex U.S. tax issues.
• Support FATCA, CRS, withholding tax, and other international reporting obligations.
• Act as a key point of contact for internal finance, investment, and operations teams.
• Manage tax-related projects, ensuring deadlines and deliverables are met.

Requirements

• Minimum 2+ years of experience at the U.S. Tax Manager level, ideally gained within public accounting, investment management, a multinational organization, or family office.
• Strong technical knowledge of U.S. federal corporate and partnership taxation.
• Hands-on experience with U.S. tax compliance and cross-border tax matters.
• Experience with investment funds, private equity, partnerships, or international holding structures would be an asset.
• U.S. CPA, EA, J.D., or LL.M. in Taxation is preferred.
• Strong analytical, communication, and project management skills.
• Ability to work independently, manage competing priorities, and collaborate with internal and external stakeholders.
• Mandarin language proficiency is an asset.

Additional Information:

The Mason Group is committed to fostering a diverse, inclusive, and accessible recruitment process. We welcome applicants from all qualified candidates. Accommodations are available upon request for candidates participating in all stages of the recruitment process, in accordance with the Accessibility for Ontarians with Disabilities Act (AODA).

This role is for an immediate vacancy, and we are actively hiring.

If you are already registered with The Mason Group, please contact your Recruiting Consultant directly with reference to job #21521.