Senior US & International Tax Advisor

The Senior US & International Tax Advisor position is a unique opportunity for an experienced tax professional to lead complex US and international tax initiatives while shaping the future of a growing advisory organization.

About the role

This fully remote role requires a collaborative leader who combines deep tax knowledge with a passion for continuous improvement and client success. You will serve as the organization's primary subject matter expert on US and international tax matters, providing technical leadership across the business. You will also advise clients on complex domestic and cross-border tax matters while participating in prospective client discussions and ongoing engagements.

Responsibilities

• Serve as the organization's primary subject matter expert on US and international tax matters, providing technical leadership across the business.
• Lead, mentor, and review the work of a regional team of senior and analyst-level tax professionals, supporting their development and performance.
• Advise clients on complex domestic and cross-border tax matters while participating in prospective client discussions and ongoing engagements.
• Design, maintain, and optimize international tax structures to support compliance and strategic tax planning.
• Identify opportunities to improve operational workflows and lead initiatives focused on process optimization and automation.
• Collaborate with product, operations, and cross-functional teams to enhance service scalability and delivery efficiency.
• Contribute strategic insights that strengthen the firm's tax capabilities and support long-term organizational growth.

Requirements

• Minimum of 5-6 years of professional experience in taxation, with significant exposure to US and international or cross-border tax matters.
• Active Certified Public Accountant (CPA) license in good standing.
• Demonstrated experience leading, mentoring, or reviewing the work of tax professionals at both analyst and senior levels.
• Strong client-facing experience with the ability to communicate technical tax concepts confidently and professionally.
• Excellent analytical, problem-solving, and critical thinking skills.
• Proven track record of driving process improvements and identifying operational efficiencies.
• Experience collaborating across cross-functional teams in a dynamic business environment.
• Advanced Spanish language proficiency is preferred.
• Previous experience supporting startup or technology-sector clients is an advantage.
• Interest in or experience applying automation and artificial intelligence within professional services is highly desirable.

Benefits

• Fully remote position within the United States.
• Opportunity to lead the organization's US and international tax function with significant strategic ownership.
• Direct collaboration with executive leadership and founding team members.
• Exposure to innovative technologies and automation initiatives within professional services.
• Collaborative, entrepreneurial environment with reduced organizational hierarchy.
• Excellent opportunity for professional growth, leadership development, and long-term career impact.