Tax Counsel - Controversies & SALT

Tax Counsel

Interactive Brokers Group, Inc. is a global financial services company headquartered in Greenwich, Connecticut, with offices in over 15 countries. Through its affiliates, Interactive Brokers provides automated trade execution and custody of securities, commodities, foreign exchange, and prediction markets on over 170 markets in numerous countries and currencies.

For more than four decades, Interactive Brokers has focused on technology, automation, and innovation to provide clients worldwide with a sophisticated, unified platform to manage their investment portfolios. We serve individual investors, hedge funds, proprietary trading groups, financial advisors, and introducing brokers.

Our culture is driven by problem-solving, efficiency, and continuous improvement. We look for individuals who are intellectually curious, collaborative, and motivated to contribute to technology that helps simplify and enhance access to global financial markets. Interactive Brokers has consistently been recognized as a top broker by respected industry sources including Barron's, Investopedia, , and others.

This is a hybrid role (4 days in office /1 day remote).

The Interactive Brokers Global Tax Team serves an important role in the success of our business. We mitigate risk and create value for our business and our customers. We partner with many functions across the company, including Accounting, Treasury, Technology, Customer Service and Marketing, to assist our business in achieving our commitment of delivering value through technological innovation and providing our clients with unprecedented access to global markets at the lowest cost.

The Global Tax Team sets the tax policy for the company, identifies, develops, implements, and manages tax strategies to help minimize our overall tax cost. We advise on the U.S. and international tax aspects of our product offerings to customers, manage tax audits, and ensure financial reporting and tax returns are filed timely and accurately.

We are looking for a Tax Counsel with deep expertise in tax controversy management and U.S. state and local taxation to join our rapidly growing Global Tax Team. The person will serve as the primary legal resource for managing federal, state, and foreign tax audits, disputes, and litigation, with a particular emphasis on state and local tax ("SALT") controversies across multiple jurisdictions.

The person will have extensive interface with key tax personnel, non-tax business executives, external counsel, and government tax authorities. A successful candidate will need to be a collaborative team player who is entrepreneurial, detail-oriented, an excellent communicator, and a skilled advocate and negotiator.

Tax Controversy Management - Primary Focus

• Serve as the primary legal advocate for managing all aspects of U.S. federal, state, and foreign tax controversies, audits, and disputes
• Lead and manage state and local tax audits across multiple jurisdictions, including correspondence, negotiations, and advocacy before state and local tax authorities
• Develop and execute audit defense strategies, including preparation of responses to information document requests (IDRs), notices of proposed adjustments, protests, and administrative appeals
• Assess litigation risk and make recommendations to senior management on settlement versus litigation strategies
• Coordinate and manage outside counsel and tax advisors engaged in tax controversy matters
• Support IRS examination and appeals proceedings, including preparation of protest letters and participation in appeals conferences
• Assist with managing foreign tax controversies in coordination with international tax colleagues and outside counsel
• Maintain a comprehensive tracking system for all open tax audits, disputes, and litigation matters across all jurisdictions
• Coordinate with the tax compliance and accounting teams to ensure audit findings and settlements are properly reflected in tax returns and financial statements, including uncertain tax positions under ASC 740-10

State and Local Tax ("SALT") Advisory

• Develop and maintain deep expertise in state and local tax laws, regulations, rulings, and case law across jurisdictions relevant to IBKR
• Advise on SALT implications of business activities and transactions, including nexus analysis, apportionment, and allocation issues specific to financial services and technology companies
• Monitor legislative, regulatory, and judicial developments in SALT and assess their impact on IBKR's tax positions and compliance obligations
• Identify and evaluate SALT planning opportunities to minimize IBKR's overall state and local tax burden
• Partner with the tax compliance team to provide technical guidance on state and local tax return positions

Legal Research, Documentation & Collaboration

• Perform legal research on federal, state, and foreign tax controversy issues and deliver well-reasoned legal conclusions
• Draft legal memoranda, technical position papers, and protest…