U.S. Tax Compliance Manager

Partner One is a leading investment group with a 30-year history of acquiring and growing successful software companies. Trusted by over 2000 of the world’s largest corporations and governments, Partner One owns some of the fastest-growing enterprise software companies globally.

We are seeking a hands-on and detail-oriented U.S. Tax Compliance Manager to build and manage our internal U.S. tax compliance function across a multi-entity corporate group.

As one of the first dedicated in-house tax hires, this role will have high visibility and meaningful impact, helping establish scalable processes, strengthen internal controls, and reduce reliance on external preparers while partnering closely with Finance leadership and external advisors. The U.S. Tax Compliance Manager will also work closely with our internal Corporate VP, Tax & Compliance on tax planning initiatives, structuring considerations, and strategic matters, while maintaining primary ownership of day-to-day U.S. compliance operations.

Key Responsibilities

Federal & State Income Tax Compliance

• Lead the preparation process for U.S. federal corporate income tax returns (Forms 1120 and consolidated filings), including collecting and reconciling financial data, preparing tax workpapers and templates, and coordinating closely with external tax advisors for final preparation and filing
• Manage annual tax provisions
• Prepare and manage multi-state income and franchise tax filings
• Monitor state nexus, registrations, and exposure across entities
• Manage estimated tax payments, extensions, and annual compliance calendar
• Reconcile all tax filings to the general ledger and consolidated financial statements

International & Information Reporting

• Prepare and coordinate Forms 5471, 5472, and related disclosures (where applicable)
• Support U.S. reporting related to foreign subsidiaries and intercompany transactions
• Ensure alignment between transfer pricing documentation, intercompany balances, and U.S. filings

Audit & Notice Management

• Manage IRS and state tax notices and responses
• Support federal and state tax audits
• Coordinate effectively with external tax advisors when needed

Process Development & Scaling

• Build and maintain a comprehensive U.S. tax compliance calendar
• Implement process improvements to increase internal ownership of tax compliance
• Identify areas of tax risk and proactively escalate to leadership

• Bachelor’s degree in Tax, accounting, or related field
• 5+ years of U.S. corporate tax experience (public accounting and/or corporate environment)
• Strong experience in multi-entity, multi-state corporate structures
• Hands-on experience preparing corporate income tax returns
• CPA Preferred
• Strong analytical, organizational, and project management skills
• Ability to operate independently and build processes in a growing environment