As a Tax Senior, your key responsibilities will include: 

Client Work 

• Manage a portfolio of corporate and partnership clients with revenues from $0 to $100M across industries including Tech, Pharma, Consumer Products, and international businesses 

• Serve as the primary point of contact for client requests, ensuring deadlines are met and all deliverables meet Orbiss quality standards 

• Work directly with the Director on complex and high-risk client engagements 

Technical Work 

• Prepare and review complex tax returns, including consolidations and international forms: 5472, 5471, 8865, 8858, 1042-S, FinCEN 114 

• Conduct first-level review of returns prepared by junior staff, providing clear and actionable feedback 

• Stay current on U.S. federal and international tax developments relevant to cross-border structures 

Team 

• Mentor and train junior team members, supporting their technical development through hands-on guidance and feedback 

• Contribute to a collaborative team environment and Orbiss's culture of high standards and continuous improvement 

Requirements

Required 

• Bachelor's degree in Accounting or a related field 

• 3 to 5 years of experience in tax, with a strong foundation in either International Taxation or Business/Corporate Tax 

• Hands-on experience in a mid-size CPA firm with an international client base — comparable to BDO, Grant Thornton, or similar 

• Solid technical knowledge of U.S. corporate and partnership tax compliance 

• Experience preparing or reviewing international tax forms (5472, 5471, 8865, 8858, 1042-S, FinCEN 114) 

• Strong time management skills — able to meet deadlines or proactively communicate when challenges arise 

• High standards of integrity and confidentiality in handling sensitive client information 

• Authorization to work in the U.S. 

Strong Assets 

• CPA certified or actively working toward CPA designation 

• Experience advising on cross-border structures — inbound and outbound U.S. tax planning 
• Comfortable working in a fast-paced, tech-forward environment with process automation tools 

Benefits

• Real Technical Depth — work on genuinely complex international structures alongside experienced Directors, not just compliance work 

• Career Growth — a clear path to Lead Senior and Manager, supported by structured mentorship and performance development 

• Modern Firm Culture — we invest heavily in process automation and technology so you spend time on what matters, not admin 

• Competitive Package — salary aligned with market rates, health benefits, flexible hybrid schedule, and CPA support