Senior Manager – US Corporate Tax (CPA)

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

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.

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.

• 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.

• 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.

• 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.

• 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.

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

• 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.

• 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.