International Tax Manager

Insite Group; Massachusetts; On-site; USD 120,000 - 145,000; Full time

Job summary

Insite Group seeks a Tax Manager - International Tax to lead cross-border advisory for mid-market and multinational clients from Boston/MA. You will own complex global tax planning, review U.S. federal and multi-state filings, and guide a team of tax professionals.

The role emphasizes strategic autonomy, mentorship, and ongoing development of talent while maintaining high-quality deliverables and strong client relationships.

Qualifications

• Bachelor's degree in Accounting or related field; MST preferred.
• CPA or EA certification required.
• 6+ years of progressive tax experience with 3+ years in a managerial role with international exposure.

Responsibilities

• Act as the primary international tax advisor, identifying risks and planning strategies.
• Oversee planning, budgeting, technical reviews, and delivery to ensure profitability.
• Review and sign-off on complex U.S. federal, multi-state, and cross-border returns for C-Corps, S-Corps, partnerships, and HNWI.
• Lead reporting including GILTI, FBARs, and Forms 5471/5472/8858/1120-F.
• Collaborate with Partners on cross-border consulting, structuring, and global tax mitigation.
• Coach and evaluate staff and senior associates, fostering growth.
• Analyze global tax regulations and translate guidance into client solutions.
• Identify cross-selling opportunities and support business development.

Skills

Leadership

Communication

Client facing

Cross-border tax

Education

Bachelor's degree in Accounting

Master's in Taxation (MST)

CPA or EA certification

Job description

Job Title: Tax Manager - International Tax

Locations: Boston or Andover Office - Massachusetts

Position Type: Full-Time

Salary: $120,000 - $145,000 + benefits package

About Them:

Are you an experienced international tax professional looking for your next strategic move? If you are eager to step into a high-visibility managerial role where your technical acumen is recognized, your leadership is nurtured, and your professional growth is prioritized, here is where you will thrive! Whether you're managing complex cross-border structures, mentoring the next generation of tax leaders, or advising dynamic mid-market and multinational clients, this position offers the ideal balance of technical challenge, strategic autonomy, and long-term career trajectory.

Key Responsibilities:

• Serve as a primary international tax advisor, proactively identifying risks, assessing cross-border exposure, and delivering actionable planning strategies.
• Oversee all phases of tax engagements - planning, budgeting, technical reviews, and delivery-ensuring high quality, accuracy, and profitability.
• Perform technical reviews and sign-off on complex U.S. federal, multi-state, and cross-border returns for C-Corps, S-Corps, Partnerships, and High-Net-Worth Individuals.
• Lead specialized reporting and calculations, including GILTI, FBARs, and Forms 5471, 5472, 8858, and 1120-F.
• Collaborate directly with Partners on cross-border transaction consulting, entity structuring, and global tax mitigation strategies.
• Coach, mentor, and evaluate staff and senior associates, actively fostering technical growth and building firm talent.
• Analyze complex and emerging global tax regulations, translating guidance into client solutions and internal training.
• Identify cross-selling opportunities, participate in business development, and strengthen long-term client relationships.

Qualifications & Experience:

• Bachelor's degree in Accounting or a related field required; Master's in Taxation (MST) preferred.
• Active CPA, Enrolled Agent (EA), or equivalent certification required.
• 6+ years of progressive tax experience in public accounting, including 3+ years in a managerial role with direct international tax exposure.
• Deep expertise in U.S. international tax reporting (Forms 5471, 5472, 8858, 1120-F, GILTI, FBAR) and GAAP/tax accounting principles.
• Proven ability to manage multi-faceted client engagements, lead project teams, and develop talent.
• Exceptional verbal and written communication skills with the confidence to advise executives, partners, and international business owners.

Note: Duties and responsibilities may evolve alongside our growing global tax practice.