US Tax Operations Analyst

Millennium Management

Dublin, IEonsitePosted Jul 17, 2026
Posting intelligenceActively listed

Skills

excel

About the role

US Tax Operations Analyst

About Millennium

Millennium is a global, diversified alternative investment firm, founded in 1989. Defined by evolution, innovation and focus, Millennium’s mission is to deliver results for our investors.

Our people are empowered with both independence and support: the autonomy to pursue ideas with conviction and the backing of a global network committed to collaboration, disciplined risk management and continuous learning. With opportunities to deepen expertise and accelerate development, talent at Millennium is equipped to adapt, evolve and build lasting impact over time. Discover how transformative growth accelerates impact.

Meet the Team

The Tax Department operates as a best-in-class global team that proactively partners with stakeholders across the firm to identify and manage tax risk, provide sound and practical advice, and deliver high-quality tax operations, planning, compliance, reporting, and advisory services. In a dynamic global environment, the team is focused on ensuring timely filings and payments while continually enhancing substantive and process efficiency across all areas of tax.

What You'll Do

Prepare monthly and annual sales tax and property tax returns, and support refund claims and tax audits

Prepare the annual FBAR filing and quarterly and annual ASC 740 analyses of tax positions and liabilities for audited financial statements

Monitor the firm’s risk profile related to investments that may generate U.S. trade or business income

Partner with Compliance and Risk Controls to help assess and mitigate potential tax implications for external investors

Prepare U.S. tax withholding documentation, including Forms W-9 and W-8IMY, FATCA/CRS self-certifications, and FATCA registrations

Review the tax implications of corporate actions, including mergers and tender offers, and communicate relevant considerations to the business

Prepare period-end close and reporting activities for the U.S. withholding tax process

Identify process improvement opportunities and support tax automation, reporting, and analysis initiatives that add value to the business

What You Bring

3+ years of experience in tax, accounting, or finance within a public accounting firm or the financial services or asset management industry

Bachelor’s degree in business administration, accounting, finance, or a related field

U.S. tax experience

Proven ability to work independently, take initiative, and drive workstreams forward with limited oversight

Experience collaborating with remote teams across multiple time zones

Strong ability to prioritize effectively, manage competing deadlines, and perform in a fast-paced environment

Excellent attention to detail and a strong commitment to accuracy, quality, and integrity

Advanced analytical, problem-solving, collaboration, and Excel skills with a strong client service mindset

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