Senior Tax Manager

Optiver is seeking a Senior Tax Manager focused on US tax advisory within a global trading firm. The role is centered on advising the business as it expands into new products, markets, and structures. You will work alongside an established US tax team and in close collaboration with tax colleagues across Optiver’s global offices to support cross-border initiatives, share expertise, and ensure alignment on global tax matters and business developments. What You’ll Do • Advise stakeholders on the tax implications of new trading strategies, financial products, markets, and transactions • Consult with external advisory firms to develop tax positions and strategies • Execute on new (trading) initiatives, market expansion, and strategic projects • Build relationships across trading, technology, legal, finance, and leadership teams, becoming a