Senior Manager – US Corporate Tax (CPA)

Location: Remote (International)
Hours: Full-Time with overlap during US business hours
Employment Type: Full-Time, Independent Contractor

About the Company

Our client is a specialized financial services firm serving the rapidly growing climate technology sector. They provide non-dilutive financing and strategic financial advisory services to venture-backed startups and small-to-medium businesses, helping innovative companies scale while supporting sustainable economic growth. Their mission is to partner with founders building the future by delivering high-quality financial expertise and long-term strategic support.

About the Role

We are seeking an experienced US Certified Public Accountant (CPA) with an active license to join our team as a Senior Manager – US Corporate Tax. This is a senior, client-facing role responsible for managing complex US corporate tax engagements, ensuring compliance, advising on tax planning strategies, and providing technical leadership across a portfolio of US-based clients.

The ideal candidate has 5–10+ years of experience in US corporate taxation, thrives in a fast-paced remote environment, and enjoys partnering with growing businesses to solve complex tax and accounting challenges.

Key Responsibilities

Corporate Tax Compliance

Manage and review federal and state corporate income tax returns, including Forms 1120, 1120S, 1065, and related filings.
Oversee corporate tax compliance processes while ensuring timely and accurate submissions.
Ensure compliance with IRS and state tax regulations.

Tax Advisory & Planning

Advise clients on US corporate tax matters, including tax planning, entity structuring, and regulatory compliance.
Research and interpret changes in tax legislation and communicate impacts to clients and internal stakeholders.
Provide guidance on R&D tax credits and other available tax incentives.

Financial Reporting

Review financial statements to assess tax implications and ensure reconciliation between accounting and tax records.
Support ASC 740 tax provision calculations and related documentation where required.
Maintain strong documentation standards and internal controls.

Client & Project Management

Serve as the primary point of contact for assigned tax engagements.
Proactively identify, escalate, and resolve project issues while maintaining clear communication with clients and internal teams.
Manage multiple deadlines across concurrent engagements while ensuring exceptional client service.

Leadership

Provide technical guidance and mentorship to junior tax professionals.
Contribute to process improvements and best practices across the tax function.

What We're Looking For

Required Qualifications

Active and unrestricted US CPA license (required).
California CPA or California state tax filing experience is highly preferred.
5–10+ years of experience in US Corporate Tax.
Experience working with US-based companies or public accounting firms.
Strong knowledge of US federal and state corporate tax regulations.
Experience with corporate tax compliance, tax planning, and tax research.
Strong understanding of US GAAP (knowledge of Canadian or European GAAP is an advantage).
Experience with accounting platforms such as QuickBooks, Sage, Xero, Google Sheets, or similar systems.
Exceptional analytical, organizational, and problem-solving skills.
Experience reviewing complex tax returns and managing multiple client engagements.
Excellent written and verbal English communication skills.
Ability to work remotely with regular overlap during US business hours.

Preferred Qualifications

Experience supporting venture-backed or mid-market US companies.
Public accounting or Big Four experience.
Familiarity with tax software such as Intuit ProConnect Tax, CCH Axcess Tax, or Thomson Reuters UltraTax CS.
Experience working with clients in climate technology, sustainability, renewable energy, or related industries.